Ericsson Internal PRODUCT TABLE OF CONTENTS SPECIFICATION E Prepared (also subject responsible if other) EZIWSON ESLUOAN Approved BMR 450 SEC/D (JuliaDigital You) PoL Regulators 1 (4) (1) No. Checked Input 4.5-14 V, Output up to 20 A / 100 W 1/1301-BMR 001 52-EN/LZT 450+ 146 Uen 400 Uen Specification Technical Date Rev 2011-12-21 2010-03-10 Reference EN/LZT 146 400 R4B December 2011 G D (c) Ericsson AB Key Features Small package 25.65 x 12.9 x 8.2 mm (1.01 x 0.51 x 0.323 in.) 20 A output current 4.5 V - 14 V input voltage range 0.6 V - 5.5 V output voltage range (by PMBus) 0.7 V - 5 V output voltage range (by external resistor) High efficiency, typ. 96,8 % at half load, 5 Vin, 3.3 Vout 13 million hours MTBF Through hole and surface mount versions PMBus read and write compliant General Characteristics Voltage/current/temperature monitoring Precision delay and ramp-up Voltage sequencing Switching frequency synchronization Configurable control loop Non-linear transient response Wide output voltage adjust function Start up into a pre-biased output safe Output short-circuit protection Over temperature protection On/Off inhibit control Output voltage sense ISO 9001/14001 certified supplier Safety Approvals Design for Environment Meets requirements in hightemperature lead-free soldering processes. Contents Ordering Information General Information Safety Specification Absolute Maximum Ratings Functional Specification ............................................................. 2 ............................................................. 2 ............................................................. 3 ............................................................. 4 ............................................................. 5 Electrical Specification 1.0V, 20A / 20W 3.3V, 20A / 66W 5.0V, 20A / 100W 5.5V, 18A / 99W BMR450 0002/020................................ 6 BMR450 0002/020................................ 9 BMR450 0002/020.............................. 12 BMR450 0002/021.............................. 15 EMC Specification Operating Information Thermal Consideration Connections Typical Application Circuits PMBus Interface & Commands Mechanical Information Soldering Information Delivery Information Product Qualification Specification ........................................................... 18 ........................................................... 18 ........................................................... 21 ........................................................... 22 ........................................................... 23 ........................................................... 24 ........................................................... 27 ........................................................... 29 ........................................................... 30 ........................................................... 31 Ericsson Internal PRODUCT SPECIFICATION E Prepared (also subject responsible if other) 1/1301-BMR 450+ Uen Technical Specification EZIWSON Approved BMR 450 SEC/D (JuliaDigital You) PoL Regulators Checked Date 2011-12-21 Input 4.5-14 V, Output up to 20 A / 100 W Ordering Information Product program Output BMR450 0.6-5.5 V / 20 A, 100 W BMR450 n 1 n 2 n 3 n 4 /n 5 n 6 n 7 n n n1 n / Mechanical pin option x Mechanical option n n n x x x / x Digital Interface option / x Configuration file x / / Optional designation Description n1 0 = Through hole mount version (THP) 1 = Surface mount version (SMD) n2 0 = Open frame n3 n4 02 = 4.5 - 14 Vin PMBus and analog voltage adjust n5 n6 n7 020 = Standard configuration 021 = Application Specific Configuration for 5.5V output voltage Packaging Antistatic injection molded tray of 60 products (5 full trays/box = 300 products) Example: Product number BMR4501002/020 equals a surface mount, open frame, PMBus and analog voltage adjust, standard configuration variant. For application specific configurations contact your local Ericsson Power Modules sales representative. General Information Reliability The failure rate () and mean time between failures (MTBF= 1/) is calculated at max output power and an operating ambient temperature (T A ) of +40C. Ericsson Power Modules uses Telcordia SR-332 Issue 2 Method 1 to calculate the mean steady-state failure rate and standard deviation (). Telcordia SR-332 Issue 2 also provides techniques to estimate the upper confidence levels of failure rates based on the mean and standard deviation. Mean steady-state failure rate, Std. deviation, 78 nFailures/h Rev Reference 2 EN/LZT 146 400 R4B December 2011 G (c) Ericsson AB Compatibility with RoHS requirements The products are compatible with the relevant clauses and requirements of the RoHS directive 2002/95/EC and have a maximum concentration value of 0.1% by weight in homogeneous materials for lead, mercury, hexavalent chromium, PBB and PBDE and of 0.01% by weight in homogeneous materials for cadmium. Product Number and Packaging Options 2 (4) No. 33.1 nFailures/h MTBF (mean value) for the BMR450 series = 12.7 Mh. MTBF at 90% confidence level = 8.3 Mh Exemptions in the RoHS directive utilized in Ericsson Power Modules products include: Lead in high melting temperature type solder (used to solder the die in semiconductor packages) Lead in glass of electronics components and in electronic ceramic parts (e.g. fill material in chip resistors) Lead as an alloying element in copper alloy containing up to 4% lead by weight (used in connection pins made of Brass) Quality Statement The products are designed and manufactured in an industrial environment where quality systems and methods like ISO 9000, 6 (sigma), and SPC are intensively in use to boost the continuous improvements strategy. Infant mortality or early failures in the products are screened out and they are subjected to an ATE-based final test. Conservative design rules, design reviews and product qualifications, plus the high competence of an engaged work force, contribute to the high quality of our products. Warranty Warranty period and conditions are defined in Ericsson AB's General Terms and Conditions of Sale. Ericsson AB does not make any other warranties, expressed or implied including any warranty of merchantability, effects of product configurations made by customers or fitness for a particular purpose. (c) Ericsson AB 2010 The information and specifications in this technical specification is believed to be correct at the time of publication. However, no liability is accepted for inaccuracies, printing errors or for any consequences thereof. Ericsson AB reserves the right to change the contents of this technical specification at any time without prior notice. Ericsson Internal PRODUCT SPECIFICATION E Prepared (also subject responsible if other) EZIWSON Approved BMR 450 SEC/D (JuliaDigital You) PoL Regulators 3 (4) No. Checked Input 4.5-14 V, Output up to 20 A / 100 W 1/1301-BMR 450+ Uen Technical Specification Date Rev 2011-12-21 Reference 3 EN/LZT 146 400 R4B December 2011 G (c) Ericsson AB Safety Specification General information Ericsson Power Modules DC/DC converters and DC/DC regulators are designed in accordance with safety standards IEC/EN/UL 60950-1 Safety of Information Technology Equipment. IEC/EN/UL 60950-1 contains requirements to prevent injury or damage due to the following hazards: Electrical shock Energy hazards Fire Mechanical and heat hazards Radiation hazards Chemical hazards On-board DC/DC converters and DC/DC regulators are defined as component power supplies. As components they cannot fully comply with the provisions of any safety requirements without "Conditions of Acceptability". Clearance between conductors and between conductive parts of the component power supply and conductors on the board in the final product must meet the applicable safety requirements. Certain conditions of acceptability apply for component power supplies with limited stand-off (see Mechanical Information for further information). It is the responsibility of the installer to ensure that the final product housing these components complies with the requirements of all applicable safety standards and regulations for the final product. Component power supplies for general use should comply with the requirements in IEC 60950-1, EN 60950-1 and UL 60950-1 Safety of Information Technology Equipment. There are other more product related standards, e.g. IEEE 802.3 CSMA/CD (Ethernet) Access Method, and ETS-300132-2 Power supply interface at the input to telecommunications equipment, operated by direct current (dc), but all of these standards are based on IEC/EN/UL 60950-1 with regards to safety. Ericsson Power Modules DC/DC converters and DC/DC regulators are UL 60950-1 recognized and certified in accordance with EN 60950-1. The flammability rating for all construction parts of the products meet requirements for V-0 class material according to IEC 60695-11-10, Fire hazard testing, test flames - 50 W horizontal and vertical flame test methods. The products should be installed in the end-use equipment, in accordance with the requirements of the ultimate application. Normally the output of the DC/DC converter is considered as SELV (Safety Extra Low Voltage) and the input source must be isolated by minimum Double or Reinforced Insulation from the primary circuit (AC mains) in accordance with IEC/EN/UL 60950-1. Isolated DC/DC converters It is recommended that a slow blow fuse is to be used at the input of each DC/DC converter. If an input filter is used in the circuit the fuse should be placed in front of the input filter. In the rare event of a component problem that imposes a short circuit on the input source, this fuse will provide the following functions: Isolate the fault from the input power source so as not to affect the operation of other parts of the system. Protect the distribution wiring from excessive current and power loss thus preventing hazardous overheating. The galvanic isolation is verified in an electric strength test. The test voltage (V iso ) between input and output is 1500 Vdc or 2250 Vdc (refer to product specification). 24 V DC systems The input voltage to the DC/DC converter is SELV (Safety Extra Low Voltage) and the output remains SELV under normal and abnormal operating conditions. 48 and 60 V DC systems If the input voltage to the DC/DC converter is 75 Vdc or less, then the output remains SELV (Safety Extra Low Voltage) under normal and abnormal operating conditions. Single fault testing in the input power supply circuit should be performed with the DC/DC converter connected to demonstrate that the input voltage does not exceed 75 Vdc. If the input power source circuit is a DC power system, the source may be treated as a TNV-2 circuit and testing has demonstrated compliance with SELV limits in accordance with IEC/EN/UL60950-1. Non-isolated DC/DC regulators The input voltage to the DC/DC regulator is SELV (Safety Extra Low Voltage) and the output remains SELV under normal and abnormal operating conditions. Ericsson Internal PRODUCT SPECIFICATION E Prepared (also subject responsible if other) 1 (15) No. EKAMAGN Approved Checked BMR 450 SEC/D (JuliaDigital You) PoL Regulators ETORHOL Input 4.5-14 V, Output up to 20 A / 100 W 2/1301-BMR 450Technical 0002 Uen Specification Date 2010-03-02 Rev Reference 4 EN/LZT 146 400 R4B December 2011 H (c) Ericsson AB Absolute Maximum Ratings Characteristics min max Unit TP1 -40 120 C Operating temperature (see Thermal Consideration section) typ TS Storage temperature -40 125 C VI Input voltage (See Operating Information Section for input and output voltage relations) -0.3 16 V VO Output voltage 0.6 5.5 V PO Output power 100 W 6.5 V Logic I/O voltage CTRL, SA(0,1), SALERT, SCL, SDA, FLEX -0.3 Ground voltage differential DGND, -S, GND -0.3 0.3 V Analog pin voltage VOUT, +S -0.3 6.5 V Stress in excess of Absolute Maximum Ratings may cause permanent damage. Absolute Maximum Ratings, sometimes referred to as no destruction limits, are normally tested with one parameter at a time exceeding the limits of Output data or Electrical Characteristics. If exposed to stress above these limits, function and performance may degrade in an unspecified manner. Fundamental Circuit Diagram VIN VOUT GND +S -S SCL SDA SALERT CTRL DGND SA0 SA1 FLEX DPWM Controller and I/O Ericsson Internal PRODUCT SPECIFICATION E Prepared (also subject responsible if other) 2 (15) No. EKAMAGN Approved Checked BMR 450 SEC/D (JuliaDigital You) PoL Regulators ETORHOL Input 4.5-14 V, Output up to 20 A / 100 W 2/1301-BMR 450Technical 0002 Uen Specification Date Rev Reference 5 EN/LZT 146 400 R4B December 2011 2010-03-02 H (c) Ericsson AB Functional Specification TP1 = -40 to +85C, VI = 4.5 to 14 V Typical values given at: TP1 = +25C, VI = 12 V, max IO, unless otherwise specified under Conditions Configuration File: 190 10-CDA 102 899/020 Characteristics Conditions min typ max Unit SMBus monitoring VIN_READ, 0x88h Accuracy vs. VI 3 % VOUT_READ, 0x8Bh Accuracy vs. VO 1 % IOUT_READ, 0x8Ch Accuracy vs. IO 20 % IOUT_READ, 0x8Ch Accuracy vs. IO VI = 4.5 - 4.8 V 40 % fs Switching frequency Factory default 320 kHz CISMBus Internal capacitance SMBus signals, SDA, SCL 7 pF 70 F General Electrical Characteristics CI Internal input capacitance Fault Protection Characteristics Input Under Voltage Lockout, UVLO UVLO Threshold 4.25 Set point accuracy Hysteresis -100 Factory default UVP threshold Factory default (Output voltage) Over/Under OVP threshold Factory default Voltage Protection, OVP/UVP fault response Factory default OVP/UVP time Over Temperature Protection, OTP at TP1 mV 2.5 s 0.25 Delay Over Current Protection, OCP V 100 V 85 % VOUT 115 % VOUT 25 s Set point accuracy Io OCP threshold Factory default -20 30 40 % A OCP protection delay OTP threshold Factory default Factory default 45 120 s OTP hysteresis Factory default 15 C Logic Input/Output Characteristics Logic input low threshold (VIL) Logic input high threshold (VIH) Logic output low (VOL) Logic output high (VOH) CTRL, SCL, SDA, FLEX SALERT, SCL, SDA, FLEX IOL 4 mA SALERT, SCL, SDA, FLEX IOL -2 mA 0.8 2 V V 0.4 V 2.25 V Setup time, SMBus (tset) See Note 1 300 ns Hold time, SMBus (thold) See Note 1 250 ns Note 1: See operation information section for I2C/SMBus Setup and Hold Times - Definitions Ericsson Internal PRODUCT SPECIFICATION E Prepared (also subject responsible if other) 3 (15) No. EKAMAGN Approved Checked BMR 450 SEC/D (JuliaDigital You) PoL Regulators ETORHOL Input 4.5-14 V, Output up to 20 A / 100 W 2/1301-BMR 450Technical 0002 Uen Specification Date Rev Reference 6 EN/LZT 146 400 R4B December 2011 2010-03-02 H (c) Ericsson AB 1.0 V, 20 A/20 W Electrical Specification BMR 450 0002/020 TP1 = -40 to +85C, VI = 4.5 to 14 V. Configuration: CDA 102 899/020, RSET = 19.6 k. Typical values given at: TP1 = +25C, VI = 12.0 V, max IO, unless otherwise specified under Conditions. Additional CI = 470 F. See Operating Information section for selection of capacitor types. Sense pins are connected to the output pins. Characteristics Conditions min typ Input voltage range VIoff Turn-off input voltage Decreasing input voltage 4.25 V VIon Turn-on input voltage Increasing input voltage 4.5 V PO Output power Efficiency 0 max IO 85.4 3.4 W 0.57 W 120 mW 20 mW 2 A Power dissipation Input idling power IO = 0.01 A Input standby power Turned off with CTRL, monitoring enabled, see Note 3 Low power mode, monitoring disabled, see Note 3 Static input current VOi Output voltage initial setting and accuracy VO 0.990 Output voltage tolerance band 0.05 - 100 % of max IO Idling voltage IO = 0.01 A 0.05 - 100 % of max IO Vtr1 Load transient voltage deviation ttr1 Load transient recovery time Load step 25-75-25 % of max IO, di/dt = 2.5 A/s with default configuration and CO = 5 mF Recommended capacitive load See Note 1 CO tr ts tf Start-up time IO = 0.2 A CTRL start-up time tCTRL CTRL shut-down fall time (From CTRL off to 10 % of VO) IO Output current Ilim Current limit threshold Isc Short circuit current VOac Output ripple & noise 1.010 V 1.015 V V 4 mV 4 mV -50/+60 mV 150 s 100 000 F 10 ms 30 ms 0.05 - 100 % of max IO (from VI connection to 10 % of VOi) VI shut-down fall time. (From VI off to 10 % of VO) % 1.000 470 Ramp-up time (from 10 - 90 % of VOi) 1.000 0.985 Line regulation Load regulation W 88.1 Pli IS 20 V 50 % of max IO Pd PRC 14 Unit VI 4.5 max IO = 0.2 A 250 s 250 ms 20 ms 7 ms 7 0.01 24 See Note 2 Note 1: See Operating Information section for External Decoupling Capacitors. Note 2: See Operating Information section for Output Ripple and Noise. Note 3: See Operating Information section for Power Management Overview. ms 20 30 A A 40 A 10 mVp-p Ericsson Internal PRODUCT SPECIFICATION E Prepared (also subject responsible if other) 4 (15) No. 2/1301-BMR 450Technical 0002 Uen Specification EKAMAGN Approved Checked BMR 450 SEC/D (JuliaDigital You) PoL Regulators ETORHOL Input 4.5-14 V, Output up to 20 A / 100 W Date Rev 2010-03-02 Reference 7 EN/LZT 146 400 R4B December 2011 H (c) Ericsson AB 1.0 V, 20 A/20 W Typical Characteristics BMR 450 0002/020 Efficiency Power Dissipation [%] 95 [W] 6 90 5 4 85 80 75 4.5 V 3 5V 12 V 2 14 V 1 70 4.5 V 5V 12 V 14 V 0 0 4 8 12 16 20 [A ] 0 4 8 12 16 20 [A] Dissipated power vs. load current and input voltage at TP1 = +25C. Efficiency vs. load current and input voltage at TP1 = +25C. Output Current Derating [A] 25 3.0 m/s 20 2.0 m/s 1.5 m/s 15 1.0 m/s 10 0.5 m/s Nat. Conv. 5 0 0 20 40 60 80 100 [C] Available load current vs. ambient air temperature and airflow at VI = 5 V. See Thermal Consideration section. Output Characteristics Current Limit Characteristics [V] [V] 1.02 1.2 1.0 1.01 4.5 V 5V 1.00 12 V 14 V 0.99 0.8 4.5 V 0.6 5V 12 V 0.4 14 V 0.2 0.98 0.0 0 5 10 15 Output voltage vs. load current at TP1 = +25C. 20 [A] 15 20 25 30 35 Output voltage vs. load current at TP1 = +25C. 40 [A] Ericsson Internal PRODUCT SPECIFICATION E Prepared (also subject responsible if other) EKAMAGN Approved Checked BMR 450 SEC/D (JuliaDigital You) PoL Regulators ETORHOL Input 4.5-14 V, Output up to 20 A / 100 W 2/1301-BMR 450Technical 0002 Uen Specification Date 2010-03-02 Rev Reference Start-up H (c) Ericsson AB BMR 450 0002/020 Shut-down Top trace: output voltage (0.5 V/div.). Bottom trace: input voltage (5 V/div.). Time scale: (10 ms/div.). Output Ripple & Noise Output voltage ripple at: TP1 = +25C, VI = 12 V, IO = 20 A resistive load. 8 EN/LZT 146 400 R4B December 2011 1.0 V, 20 A/20 W Typical Characteristics Start-up enabled by connecting VI at: TP1 = +25C, VI = 12 V, IO = 20 A resistive load and 5 mF. 5 (15) No. Shut-down enabled by disconnecting VI at: Top trace: output voltage (0.5 V/div). TP1 = +25C, VI = 12 V, Bottom trace: input voltage (5 V/div.). IO = 20 A resistive load. Time scale: (10 ms/div.). Output Load Transient Response Trace: output voltage (20 mV/div.). Time scale: (2 s/div.). Output voltage response to load current step-change (5-15-5 A) at: TP1 = +25C, VI = 12 V, CO = 5 mF. Top trace: output voltage (200 mV/div.). Bottom trace: load current (10 A/div.). Time scale: (0.2 ms/div.). Ericsson Internal PRODUCT SPECIFICATION E Prepared (also subject responsible if other) 6 (15) No. EKAMAGN Approved Checked BMR 450 SEC/D (JuliaDigital You) PoL Regulators ETORHOL Input 4.5-14 V, Output up to 20 A / 100 W 2/1301-BMR 450Technical 0002 Uen Specification Date Rev Reference 9 EN/LZT 146 400 R4B December 2011 2010-03-02 H (c) Ericsson AB 3.3 V, 20 A/66 W Electrical Specification BMR 450 0002/020 TP1 = -40 to +85C, VI = 4.5 to 14 V. Configuration: CDA 102 899/020, RSET = 1.21 k. Typical values given at: TP1 = +25C, VI = 12 V, max IO, unless otherwise specified under Conditions. Additional CI = 470 F. See Operating Information section for selection of capacitor types. Sense pins are connected to the output pins. Characteristics VI Conditions Input voltage range min typ 4.5 VIoff Turn-off input voltage Decreasing input voltage 4.25 VIon Turn-on input voltage Increasing input voltage 4.5 PO Output power Efficiency Pd Power dissipation Pli Input idling power IO = 0.01 A Input standby power Turned off with CTRL, monitoring enabled, see Note 3 Low power mode, monitoring disabled, see Note 3 PRC IS Static input current VOi Output voltage initial setting and accuracy VO 0 94.7 max IO 93.5 Output voltage tolerance band 0.05 - 100 % of max IO Idling voltage IO = 0.01 A 0.05 - 100 % of max IO Vtr1 Load transient voltage deviation ttr1 Load transient recovery time Load step 25-75-25 % of max IO, di/dt = 2.5 A/s with default configuration and CO = 2 mF CO Recommended capacitive load See Note 1 tr ts tf (from 10 - 90 % of VOi) Start-up time V W % 1.0 W 120 mW 20 mW 6 A 3.300 3.315 V 3.350 V 3.300 V 4 mV 4 mV -140/+170 mV 150 s 100 000 F 10 ms 30 ms 250 s 0.05 - 100 % of max IO (from VI connection to 10 % of VOi) VI shut-down fall time. (From VI off to 10 % of VO) V W 470 Ramp-up time V 4.4 3.250 Line regulation Load regulation Unit 14 66 50 % of max IO 3.285 max IO = 0.2 A 250 s CTRL start-up time 20 ms tCTRL CTRL shut-down fall time (From RC off to 10 % of VO) 7 ms IO Output current Ilim Current limit threshold Isc Short circuit current VOac Output ripple & noise IO = 0.2 A 7 0.01 24 See Note 2 Note 1: See Operating Information section for External Decoupling Capacitors. Note 2: See Operating Information section for Output Ripple and Noise. Note 3: See Operating Information section for Power Management Overview. ms 20 30 A A 40 A 45 mVp-p Ericsson Internal PRODUCT SPECIFICATION E Prepared (also subject responsible if other) 7 (15) No. 2/1301-BMR 450Technical 0002 Uen Specification 10 EKAMAGN Approved Checked BMR 450 SEC/D (JuliaDigital You) PoL Regulators ETORHOL Input 4.5-14 V, Output up to 20 A / 100 W Date Rev Reference EN/LZT 146 400 R4B December 2011 2010-03-02 H (c) Ericsson AB 3.3 V, 20 A/66 W Typical Characteristics BMR 450 0002/020 Efficiency Power Dissipation [W] 6 [%] 100 5 95 4 90 85 4.5 V 3 5V 2 5V 1 12 V 12 V 80 14 V 75 4.5 V 14 V 0 0 4 8 12 16 0 20 [A] 4 8 12 16 20 [A] Dissipated power vs. load current and input voltage at TP1 = +25C. Efficiency vs. load current and input voltage at TP1 = +25C. Output Current Derating [A] 25 3.0 m/s 20 2.0 m/s 1.5 m/s 15 1.0 m/s 10 0.5 m/s Nat. Conv. 5 0 0 20 40 60 80 100 [C] Available load current vs. ambient air temperature and airflow at VI = 12 V. See Thermal Consideration section. Output Characteristics Current Limit Characteristics [V] 4 [V] 3.32 3 3.31 4.5 V 5V 3.30 4.5 V 5V 2 12 V 12 V 14 V 3.29 14 V 1 0 3.28 0 4 8 12 16 Output voltage vs. load current at TP1 = +25C. 20 [A] 15 20 25 30 35 40 [A ] Output voltage vs. load current at TP1 = +25C. Ericsson Internal PRODUCT SPECIFICATION E Prepared (also subject responsible if other) EKAMAGN Approved Checked BMR 450 SEC/D (JuliaDigital You) PoL Regulators ETORHOL Input 4.5-14 V, Output up to 20 A / 100 W 2/1301-BMR 450Technical 0002 Uen Specification 11 Date 2010-03-02 Rev Reference EN/LZT 146 400 R4B December 2011 H (c) Ericsson AB 3.3 V, 20 A/66 W Typical Characteristics Start-up Start-up enabled by connecting VI at: TP1 = +25C, VI = 12 V, IO = 20 A resistive load and 2 mF. BMR 450 0002/020 Shut-down Top trace: output voltage (2 V/div.). Bottom trace: input voltage (5 V/div.). Time scale: (20 ms/div.). Output Ripple & Noise Output voltage ripple at: TP1 = +25C, VI = 12 V, IO = 20 A resistive load. 8 (15) No. Shut-down enabled by disconnecting VI at: TP1 = +25C, VI = 12 V, IO = 20 A resistive load. Top trace: output voltage (2 V/div). Bottom trace: input voltage (5 V/div.). Time scale: (2 ms/div.). Output Load Transient Response Trace: output voltage (20 mV/div.). Time scale: (2 s/div.). Output voltage response to load current step- Top trace: output voltage (100 mV/div.). change (5-15-5 A) at: Bottom trace: load current (5 A/div.). TP1 = +25C, VI = 12 V, CO = 2 mF. Time scale: (0.5 ms/div.). Ericsson Internal PRODUCT SPECIFICATION E Prepared (also subject responsible if other) 9 (15) No. EKAMAGN Approved Checked BMR 450 SEC/D (JuliaDigital You) PoL Regulators ETORHOL Input 4.5-14 V, Output up to 20 A / 100 W 2/1301-BMR 450Technical 0002 Uen Specification 12 Date Rev Reference EN/LZT 146 400 R4B December 2011 2010-03-02 H (c) Ericsson AB 5.0 V, 20 A/100 W Electrical Specification BMR 450 0002/020 TP1 = -40 to +85C, VI = 6 to 14 V. Configuration: CDA 102 899/020, RSET = 0 . Typical values given at: TP1 = +25C, VI = 12.0 V, max IO, unless otherwise specified under Conditions. Additional CI = 470 F. See Operating Information section for selection of capacitor types. Sense pins are connected to the output pins. Characteristics VI Input voltage range VIoff Turn-off input voltage VIon Turn-on input voltage PO Output power Conditions Efficiency Input standby power Static input current VOi Output voltage initial setting and accuracy VO 4.950 Output voltage tolerance band 0.05 - 100 % of max IO Idling voltage IO = 0.01 A 0.05 - 100 % of max IO Vtr1 Load transient voltage deviation ttr1 Load transient recovery time Load step 25-75-25 % of max IO, di/dt = 2.5 A/s with default configuration and CO = 2 mF Recommended capacitive load See Note 1 CO tr ts tf tCTRL Ramp-up time (from 10 - 90 % of VOi) Start-up time % W 1.6 W 120 mW 20 mW 8.9 A 5.000 5.050 V 5.075 V 5.000 V 4 mV 4 mV -190/+190 mV 150 s 470 100 000 F - 10 - ms - 30 - ms 0.05 - 100 % of max IO (from VI connection to 10 % of VOi) VI shut-down fall time. (From VI off to 10 % of VO) W 7.4 4.925 Line regulation Load regulation 100 93.0 Turned off with CTRL, monitoring enabled, see Note 3 Low power mode, monitoring disabled, see Note 3 V V max IO IO = 0.01 A 14 4.5 94.0 Power dissipation Unit V 0 Input idling power max 4.25 50 % of max IO Pli IS typ 6 Decreasing input voltage, see Note 4 Increasing input voltage, see Note 4 Pd PRC min IO = 0.2 A 250 s 250 ms CTRL start-up time 20 ms CTRL shut-down fall time (From CTRL off to 10 % of VO) 7 ms 7 ms IO Output current Ilim Current limit threshold Isc Short circuit current VOac Output ripple & noise IO = 0.2 A 0.01 24 See Note 2 Note 1: See Operating Information section for External Decoupling Capacitors. Note 2: See Operating Information section for Output Ripple and Noise. Note 3: See Operating Information section for Power Management Overview. Note 4: See Operating Information section for Turn-off Input Voltage Range 20 A 30 A 40 A 100 mVp-p Ericsson Internal PRODUCT SPECIFICATION E Prepared (also subject responsible if other) 10 (15) No. 2/1301-BMR 450Technical 0002 Uen Specification 13 EKAMAGN Approved Checked BMR 450 SEC/D (JuliaDigital You) PoL Regulators ETORHOL Input 4.5-14 V, Output up to 20 A / 100 W Date Rev Reference EN/LZT 146 400 R4B December 2011 2010-03-02 H (c) Ericsson AB 5.0 V, 20 A/100 W Typical Characteristics BMR 450 0002/020 Efficiency Power Dissipation [%] 100 [W] 10 95 8 90 6 6V 85 9.6 V 12 V 80 14 V 75 6V 4 9.6 V 12 V 2 14 V 0 0 4 8 12 16 20 [A ] 0 4 8 12 16 20 [A] Dissipated power vs. load current and input voltage at TP1 = +25C. Efficiency vs. load current and input voltage at TP1 = +25C. Output Current Derating [A] 25 3.0 m/s 20 2.0 m/s 1.5 m/s 15 1.0 m/s 10 0.5 m/s Nat. Conv. 5 0 0 20 40 60 80 100 [C] Available load current vs. ambient air temperature and airflow at VI = 12 V. See Thermal Consideration section. Output Characteristics Current Limit Characteristics [V] [V] 5,050 5.0 4.0 5,025 6V 9.6 V 5,000 12 V 14 V 4,975 6V 3.0 9.6 V 2.0 12 V 14 V 1.0 0.0 4,950 0 5 10 15 Output voltage vs. load current at TP1 = +25C. 20 [A] 15 20 25 30 35 Output voltage vs. load current at TP1 = +25C. 40 [A] Ericsson Internal PRODUCT SPECIFICATION E Prepared (also subject responsible if other) EKAMAGN Approved Checked BMR 450 SEC/D (JuliaDigital You) PoL Regulators ETORHOL Input 4.5-14 V, Output up to 20 A / 100 W 2/1301-BMR 450Technical 0002 Uen Specification 14 Date 2010-03-02 Rev Reference EN/LZT 146 400 R4B December 2011 H (c) Ericsson AB 5.0 V, 20 A/100 W Typical Characteristics Start-up Start-up enabled by connecting VI at: TP1 = +25C, VI = 12 V, IO = 20 A resistive load and 2 mF. BMR 450 0002/020 Shut-down Top trace: output voltage (2 V/div.). Bottom trace: input voltage (5 V/div.). Time scale: (10 ms/div.). Output Ripple & Noise Output voltage ripple at: TP1 = +25C, VI = 12 V, IO = 20 A resistive load. 11 (15) No. Shut-down enabled by disconnecting VI at: Top trace: output voltage (2 V/div). TP1 = +25C, VI = 12 V, Bottom trace: input voltage (5 V/div.). IO = 20 A resistive load. Time scale: (10 ms/div.). Output Load Transient Response Trace: output voltage (20 mV/div.). Time scale: (2 s/div.). Output voltage response to load current step-change (5-15-5 A) at: TP1 = +25C, VI = 12 V, CO = 2 mF. Top trace: output voltage (100 mV/div.). Bottom trace: load current (10 A/div.). Time scale: (0.5 ms/div.). Ericsson Internal PRODUCT SPECIFICATION E Prepared (also subject responsible if other) 12 (15) No. EKAMAGN Approved Checked BMR 450 SEC/D (JuliaDigital You) PoL Regulators ETORHOL Input 4.5-14 V, Output up to 20 A / 100 W 2/1301-BMR 450Technical 0002 Uen Specification 15 Date Rev Reference EN/LZT 146 400 R4B December 2011 2010-03-02 H (c) Ericsson AB 5.5V, 18A / 99 W Electrical Specification BMR 450 0002/021 TP1 = -40 to +85C, VI = 8 to 14 V. Configuration: CDA 102 899/021. Typical values given at: TP1 = +25C, VI = 12 V, max IO, unless otherwise specified under Conditions. Additional CI = 470 F. See Operating Information section for selection of capacitor types. Sense pins are connected to the output pins. Characteristics VI Conditions Input voltage range min typ 8 VIoff Turn-off input voltage Decreasing input voltage 6.0 VIon Turn-on input voltage Increasing input voltage 6.6 PO Output power Efficiency Pd Power dissipation Pli Input idling power IO = 0.01 A Input standby power Turned off with CTRL, monitoring enabled, see Note 3 Low power mode, monitoring disabled, see Note 3 PRC IS Static input current VOi Output voltage initial setting and accuracy VO 0 95.8 max IO 95.6 Output voltage tolerance band 0.05 - 100 % of max IO Idling voltage IO = 0.01 A 0.05 - 100 % of max IO Vtr1 Load transient voltage deviation ttr1 Load transient recovery time Load step 25-75-25 % of max IO, di/dt = 2.5 A/s with default configuration and CO = 2 mF CO Recommended capacitive load See Note 1 tr ts tf (from 10 - 90 % of VOi) V W % W 1.3 W 120 mW 20 mW 8.7 A 5.49 5.56 V 5.58 V 5.49 V 5 mV 4 mV -230/+230 mV 470 s 100 000 F 10 ms 36 ms 590 us 7 ms 0.05 - 100 % of max IO (from VI connection to 10 % of VOi) VI shut-down fall time. (From VI off to 10 % of VO) V 160 Ramp-up time Start-up time V 4.6 5.42 Line regulation Load regulation Unit 14 99 50 % of max IO 5.45 max IO = 1.8 A CTRL start-up time 20 ms tCTRL CTRL shut-down fall time (From RC off to 10 % of VO) 8 ms IO Output current Ilim Current limit threshold Isc Short circuit current VOac Output ripple & noise IO = 1.8 A 8 0.01 37 See Note 2 Note 1: See Operating Information section for selection of capacitor types. Note 2: See Operating Information section for measurement set-up. Note 3: See Operating Information section for Power Management Overview. ms 18 40 A A 45 A 50 mVp-p Ericsson Internal PRODUCT SPECIFICATION E Prepared (also subject responsible if other) 13 (15) No. EKAMAGN Approved Checked BMR 450 SEC/D (JuliaDigital You) PoL Regulators ETORHOL Input 4.5-14 V, Output up to 20 A / 100 W 2/1301-BMR 450Technical 0002 Uen Specification 16 Date Rev 2010-03-02 Reference EN/LZT 146 400 R4B December 2011 H (c) Ericsson AB 5.5V, 18A / 99 W Typical Characteristics BMR 450 0002/021 Efficiency Power Dissipation [%] 100 [W] 6 5 95 4 90 8V 3 85 9.6V 2 9.6V 80 12 V 1 12 V 14 V 75 0 3 6 9 12 15 8V 14 V 0 0 18 [A] 3 6 9 12 15 18 [A] Dissipated power vs. load current and input voltage at TP1 = +25C. Efficiency vs. load current and input voltage at TP1 = +25C. Output Current Derating [A] 25 3.0 m/s 20 2.0 m/s 1.5 m/s 15 1.0 m/s 10 0.5 m/s 5 Nat. Conv. 0 0 30 60 90 120 [C] Available load current vs. ambient air temperature and airflow at VI = 12 V. See Thermal Consideration section. Output Characteristics Current Limit Characteristics [V] 6 [V] 5.70 5.60 8V 4 8V 9.6V 9.6V 5.50 12 V 12 V 2 14 V 14 V 5.40 0 5.30 15 0 3 6 9 12 15 20 25 30 35 40 18 [A] Output voltage vs. load current at TP1 = +25C. Output voltage vs. load current at TP1 = +25C. 45 [A] Ericsson Internal PRODUCT SPECIFICATION E Prepared (also subject responsible if other) EKAMAGN Approved Checked BMR 450 SEC/D (JuliaDigital You) PoL Regulators ETORHOL Input 4.5-14 V, Output up to 20 A / 100 W 2/1301-BMR 450Technical 0002 Uen Specification 17 Date 2010-03-02 Rev Reference EN/LZT 146 400 R4B December 2011 H (c) Ericsson AB 5.5V, 18A / 99 W Typical Characteristics Start-up Start-up enabled by connecting VI at: TP1 = +25C, VI = 12 V, IO = 18 A resistive load. BMR 450 0002/021 Shut-down Top trace: output voltage (2 V/div.). Bottom trace: input voltage (10 V/div.). Time scale: (20 ms/div.). Output Ripple & Noise Output voltage ripple at: TP1 = +25C, VI = 12 V, IO = 18 A resistive load. 14 (15) No. Shut-down enabled by disconnecting VI at: TP1 = +25C, VI = 12 V, IO = 18 A resistive load. Top trace: output voltage (2 V/div). Bottom trace: input voltage (10 V/div.). Time scale: (0.5 ms/div.). Output Load Transient Response Trace: output voltage (20 mV/div.). Time scale: (2 s/div.). Output voltage response to load current step- Top trace: output voltage (200 mV/div.). change (5-15-5 A) at: Bottom trace: load current (10 A/div.). TP1 = +25C, VI = 12 V, CO = 1.8 mF. Time scale: (0.5 ms/div.). Ericsson Internal PRODUCT SPECIFICATION E EGUHAIL Approved 1 (7) No. Checked BMR 450 SEC/D (JuliaDigital You) PoL Regulators EZIWSON Input 4.5-14 V, Output up to 20 A / 100 W EMC Specification Conducted EMI measured according to test set-up and standard MIL std 0141 - 58000. The fundamental switching frequency is 320 kHz for BMR 450. 30/1301-BMR 450 0002 Uen Specification 18 Technical Date Rev Reference EN/LZT 146 400 R4B December 2011 2011-12-20 K (c) Ericsson AB Output Ripple and Noise Output ripple and noise is measured with the filter according to figure below. A 50 mm conductor works as a small inductor forming together with the two capacitances a damped filter. Conducted EMI Input terminal value (typ) Vout 50 mm conductor Tantalum Capacitor 10 F S Ceramic Capacitor 0.1 F S GND Load Prepared (also subject responsible if other) 50 mm conductor BNC-contact to oscilloscope Output ripple and noise test set-up. Operating Information EMI without filter Input Voltage The input voltage range, 4.5 - 14 V, makes the products easy to use in intermediate bus applications when powered by a non-regulated bus converter or a regulated bus converter. See Ordering Information for input voltage range. Turn-off Input Voltage Range The product monitors the input voltage and will turn-on and turn-off at configured levels. The default turn-on input voltage level setting is 4.5 V, whereas the corresponding turn-off input voltage level is 4.25 V. Hence, the default hysteresis between turn-on and turn-off input voltage is 0.25 V. The turn-on and turn-off levels can be reconfigured using the PMBus interface. Please contact your local Ericsson Power Modules representative for design support of custom configurations or appropriate SW tools for design and down-load of new configurations. Test set-up Layout Recommendations The radiated EMI performance of the product will depend on the PCB layout and ground layer design. It is also important to consider the stand-off of the product. If a ground layer is used, it should be connected to the output of the product and the equipment ground or chassis. A ground layer will increase the stray capacitance in the PCB and improve the high frequency EMC performance. Remote Control Vext CTRL GND The product is equipped with a remote control function, i.e., the CTRL pin. The remote control can be referenced to either the primary negative input connection (GND) or to an external voltage (Vext), which is a 3 - 5 V positive supply voltage in accordance with the SMBus Specification version 2.0. The CTRL function allows the product to be turned on/off by an external device like a semiconductor or mechanical switch. By default the product will turn on with the CTRL pin is left open and turn off when the CTRL pin is applied to GND. The CTRL pin has an internal pull-up resistor. The maximum required sink current is 0.5 mA. When the CTRL pin is left open, the voltage generated on the CTRL pin is max 6 V. The product can also be configured using the PMBus to be "Always on", i.e., starts immediately Ericsson Internal PRODUCT SPECIFICATION E Prepared (also subject responsible if other) EGUHAIL Approved 2 (7) No. Checked BMR 450 SEC/D (JuliaDigital You) PoL Regulators EZIWSON Input 4.5-14 V, Output up to 20 A / 100 W when an appropriate input voltage is applied, or turn on/off can be performed with PMBus commands. Please contact your local Ericsson Power Modules representative for design support of custom configurations or appropriate SW tools for design and down-load of new configurations. Input and Output Impedance The impedance of both the input source and the load will interact with the impedance of the product. It is important that the input source has low characteristic impedance. The products are designed for stable operation without external capacitors connected to the input or output. The performance in some applications can be enhanced by addition of external capacitance as described under External Capacitors. If the input voltage source contains significant inductance, the addition of a 470 F capacitor with low ESR at the input of the product will ensure stable operation. External Decoupling Capacitors Input capacitors: The recommended input capacitor has a minimum capacitance of 470 F and a low ESR. The ripple current rating of the capacitor must be at least 4 A rms. For highperformance/transient applications or wherever the input source performance is degraded, additional low ESR ceramic type capacitors at the input is recommended. The additional input low ESR capacitance above the minimum level insures an optimized performance. Output capacitors: The recommended output capacitor has a minimum capacitance of 470 F and a low ESR. When powering loads with significant dynamic current requirements, the voltage regulation at the point of load can be improved by addition of decoupling capacitors at the load. The most effective technique is to locate low ESR ceramic and electrolytic capacitors as close to the load as possible, using several capacitors in parallel to lower the effective ESR. The ceramic capacitors will handle high-frequency dynamic load changes while the electrolytic capacitors are used to handle low frequency dynamic load changes. Ceramic capacitors will also reduce high frequency noise at the load. It is equally important to use low resistance and low inductance PCB layouts and cabling. External decoupling capacitors are a part of the control loop of the product and may affect the stability margins. The ESR of the capacitors is a very important parameter. Stable operation is guaranteed for an ESR value of >5 m and a total capacitance in the range defined in the electrical specification. For a total capacitance outside this range or with lower ESR a re-configuration will be necessary for robust dynamic operation and stability. Please contact your local Ericsson Power Modules representative for design support of custom configurations or appropriate SW tools for design and download of new configurations. 30/1301-BMR 450 0002 Uen Specification 19 Technical Date Rev 2011-12-20 Reference EN/LZT 146 400 R4B December 2011 K (c) Ericsson AB Control Loop Compensation The product is configured with a robust control loop compensation which allows for a wide range operation of input and output voltages and capacitive loads as defined in the electrical specification. For an application with a specific input voltage, output voltage, and capacitive load, the control loop can be optimized for a robust and stable operation and with an improved load transient response. Please contact your local Ericsson Power Modules representative for design support of custom configurations or appropriate SW tools for design and down-load of new configurations. Load Transient Response Optimization The product incorporates a Non-Linear transient Response, NLR, loop that decreases the response time and the output voltage deviation during a load transient. The NLR results in a higher equivalent loop bandwidth than is possible using a traditional linear control loop. The product is pre-configured with appropriate NLR settings for robust and stable operation for a wide range of input voltage and a capacitive load range as defined in the electrical specification. For an application with a specific input voltage, output voltage, and capacitive load, the NLR configuration can be optimized for a robust and stable operation and with an improved load transient response. Please contact your local Ericsson Power Modules representative for design support of custom configurations or appropriate SW tools for design and down-load of new configurations. Remote Sense The product has remote sense that can be used to compensate for voltage drops between the output and the point of load. The sense traces should be located close to the PCB ground layer to reduce noise susceptibility. The remote sense circuitry will compensate for up to 10% voltage drop between output pins and the point of load. If the remote sense is not needed +S should be connected to VOUT and -S should be connected to GND. Output Voltage Adjust using External Resistor With Analog Output Voltage Adjust the output voltage can be set in the range 0.7 V to 5.0 V at 25 different levels by an external resistor, R SET , which is applied between the FLEX pin and the -S pin. The resistor is sensed during boot-up of the regulator. Changing the resistor during normal operation will not change the output voltage. The input voltage must be at least 1 V larger than the output voltage in order to deliver the correct output voltage. If the input voltage is lower, the product will still deliver power with a lower output voltage than the set output voltage. The product will turn off at the input turn-off voltage level, according to Turn-off Input Voltage Range. FLEX RSET S Analog output voltage adjust with external resistor. Ericsson Internal PRODUCT SPECIFICATION E Prepared (also subject responsible if other) 30/1301-BMR 450 0002 Uen Specification 20 Technical EGUHAIL Approved Checked BMR 450 SEC/D (JuliaDigital You) PoL Regulators EZIWSON Input 4.5-14 V, Output up to 20 A / 100 W The following table shows recommended resistor values for R SET. V OUT [V] R set [k] Min Typ R set [k] Max V OUT [V] Min Typ Max 155.00 159.00 169.00 0.991 21.38 21.60 21.82 0.752 109.89 111.00 112.11 1.00 18.51 18.70 18.89 0.758 99.00 100.00 101.00 1.10 15.94 16.10 16.26 0.765 89.10 90.00 90.90 1.158 13.56 13.70 13.84 0.772 80.09 80.90 81.71 1.20 11.39 11.50 11.62 0.7 0.79 64.35 72.50 73.23 0.80 57.52 58.10 58.68 1.50 7.72 7.80 7.88 0.821 51.38 51.90 52.42 1.669 6.14 6.20 6.26 0.848 40.69 41.10 41.51 1.80 4.65 4.70 4.75 36.04 36.40 36.76 2.295 3.27 3.30 3.33 0.899 31.88 32.20 32.52 2.506 2.08 2.10 2.12 0.919 28.02 28.30 28.58 3.30 0.99 1.00 1.01 0.965 24.55 24.80 25.05 5.00 0.00 0.00 0.05 0.88 3 (7) No. 1.25 9.50 9.60 9.70 Output Voltage Adjust using PMBus The output voltage of the product can be reconfigured using the PMBus interface in the range 0.6 V to 5.5 V with the resolution of 1 mV. Please contact your local Ericsson Power Modules representative for design support of custom configurations or appropriate SW tools for design and download of new configurations. Maximum Output Voltage Protection The regulator can be configured for maximum output voltage protection. The Analog Voltage Adjust sets the maximum output voltage equal to 10% higher than the nominal output value set by the R SET . This works as a hardware protection for the load, avoiding destroying the load by an over voltage. Please contact your local Ericsson Power Modules representative for design support of custom configurations or appropriate SW tools for design and down-load of new configurations. Synchronization Synchronization is a feature that allows multiple DC/DC regulators to be synchronized to a common frequency. Synchronized regulators powered from the same bus eliminate beat frequencies reflected back to the input supply, and also reduces EMI filtering requirements. Eliminating the slow beat frequencies (usually < 10 kHz) allows the EMI filter to be designed to attenuate only the synchronization frequency. Synchronization can also be utilized for interleaving, described in section Interleaving. The product FLEX pin can be configured for synchronization. Hence, Analog Voltage Adjust is disabled, when the synchronization is enabled. The regulators can be synchronized with an external oscillator or one regulator can be configured with the FLEX pin as an SYNC Output working as a master driving the synchronization. All others on the same synchronization bus should be configured Date 2011-12-20 Rev Reference EN/LZT 146 400 R4B December 2011 K (c) Ericsson AB with SYNC Input or SYNC Auto Detect (Default configuration) for correct operation. When the FLEX pin is configured in auto detect mode the product will automatically check for a clock signal on the FLEX pin. The switching frequency can also be set to any value between 200 kHz and 400 kHz using the PMBus interface. Please contact your local Ericsson Power Modules representative for design support of custom configurations or appropriate SW tools for design and download of new configurations. Interleaving/Phase Spreading When multiple DC/DC regulators share a common DC input supply, interleaving, or spreading of the switching clock phase between the regulators can be utilized. This dramatically reduces input capacitance requirements and efficiency losses, since the peak current drawn from the input supply is effectively spread out over the whole switch period. This requires that the DC/DC regulators are synchronized. Up to 16 different interleaving phases can be used. The interleaving of the product can be reconfigured using the PMBus interface. Please contact your local Ericsson Power Modules representative for design support of custom configurations or appropriate SW tools for design and down-load of new configurations. Parallel Operation Parallel operation is not recommended. Over Temperature Protection (OTP) The products are protected from thermal overload by an internal over temperature shutdown circuit. When T P1 as defined in thermal consideration section exceeds 120C the product will shut down. The product will make continuous attempts to start up (non-latching mode) and resume normal operation automatically when the temperature has dropped >15C below the temperature threshold. The OTP and hysteresis of the product can be reconfigured using the PMBus interface. Please contact your local Ericsson Power Modules representative for design support of custom configurations or appropriate SW tools for design and download of new configurations. Over Current Protection (OCP) The product includes current limiting circuitry for protection at continuous overload. The product will shut down immediately for output currents in excess of the current limit, I lim . The product will try to restart every 70 ms, i.e., hiccup mode, and resume normal operation after removal of the overload. The load distribution should be designed for the maximum output short circuit current specified. The OCP of the product can be reconfigured using the PMBus interface. Please contact your local Ericsson Power Modules representative for design support of custom configurations or appropriate SW tools for design and down-load of new configurations. Soft-start Power Up The soft-start control introduces a time-delay (default setting 10 ms) before allowing the output voltage to rise. The default rise time of the ramp up is 10 ms. Power-up is hence completed Ericsson Internal PRODUCT SPECIFICATION E Prepared (also subject responsible if other) EGUHAIL Approved 4 (7) No. Checked BMR 450 SEC/D (JuliaDigital You) PoL Regulators EZIWSON Input 4.5-14 V, Output up to 20 A / 100 W within 20 ms in default configuration using remote control. When starting by applying input voltage the control circuit bootup time adds an additional 10 ms delay. The soft-start power up of the product can be reconfigured using the PMBus interface. Please contact your local Ericsson Power Modules representative for design support of custom configurations or appropriate SW tools for design and down-load of new configurations. Output Voltage Sequencing A group of regulators may be configured to power up in a predetermined sequence. This feature is especially useful when powering advanced processors, FPGAs, and ASICs that require one supply to reach its operating voltage prior to another supply reaching its operating voltage. Multi-regulator sequencing can be achieved by configuring each device start delay and rise time through the PMBus and use the same remote control start signal. Please contact your local Ericsson Power Modules representative for design support of custom configurations or appropriate SW tools for design and download of new configurations. Voltage Margining Up/Down The regulator can momentarily adjust its output higher or lower than its nominal voltage setting in order to determine whether the load device is capable of operating over its specified supply voltage range. This provides a convenient method for dynamically testing the operation of the load circuit over its supply margin or range. It can also be used to verify the function of supply voltage supervisors. Margin limits of the nominal output voltage 5% are default, but the margin limits can be reconfigured using the PMBus interface to as high as 10% or as low as 0V. Please contact your local Ericsson Power Modules representative for design support of custom configurations or appropriate SW tools for design and download of new configurations. Pre-Bias Startup Capability Pre-bias startup often occurs in complex digital systems when current from another power source is fed back through a dualsupply logic component, such as FPGAs or ASICs. The BMR 450 product family incorporates synchronous rectifiers, but will not sink current during startup, or turn off, or whenever a fault shuts down the product in a pre-bias condition with right configuration. Please contact your local Ericsson Power Modules representative for design support of custom configurations or appropriate SW tools for design and download of new configurations. 30/1301-BMR 450 0002 Uen Specification 21 Technical Date Rev Reference EN/LZT 146 400 R4B December 2011 2011-12-20 K (c) Ericsson AB SCL VIH VIL SDA VIH VIL tset thold SMBus timing diagram Thermal Consideration General The regulators are designed to operate in different thermal environments and sufficient cooling must be provided to ensure reliable operation. Cooling is achieved mainly by conduction, from the pins to the host board, and convection, which is dependant on the airflow across the regulator. Increased airflow enhances the cooling of the regulator. The Output Current Derating graph found in the Output section for each model provides the available output current vs. ambient air temperature and air velocity at specified V I . The products with an output power of 100 W are tested on a 254 x 254 mm, 35 m (1 oz), 16-layer test board, and for output power of 100 W a 254 x 254 mm, 35 m (1 oz), 8layer test board are used. The test board is mounted vertically in a wind tunnel with a cross-section of 608 x 203 mm. Proper cooling of the product can be verified by measuring the temperature at positions P1 and P2. The temperature at these positions should not exceed the max values provided in the table below. Note that the max value is the absolute maximum rating (non destruction) and that the electrical Output data is guaranteed up to T P1 +85C. See Design Note 019 for further information. Position Device Designation P1 Reference point, L1, inductor T P1 P2 N1, control circuit 120 C T P2 120 C AIR FLOW 2 I C/SMBus Setup and Hold Times - Definitions The setup time, t set , is the time the data, SDA, must be stable before the rising edge of the clock signal, SCL. The hold time t hold , is the time the data must be stable after the rising edge of the clock signal, SCL. If these times are violated incorrect data can be captured or meta-stability can occur and the bus communication fails. P1 Top view Temperature positions and air flow direction. max l P2 Bottom view Ericsson Internal PRODUCT SPECIFICATION E Prepared (also subject responsible if other) EGUHAIL Approved 5 (7) No. Checked BMR 450 SEC/D (JuliaDigital You) PoL Regulators EZIWSON Input 4.5-14 V, Output up to 20 A / 100 W Definition of reference temperature T P1 The reference temperature is used to monitor the temperature limits of the product. Temperature above maximum T P1 , meassured at the reference point P1 are not allowed and may cause degradation or permanent damage to the product. T P1 is also used to define the temperature range for normal operating conditions. T P1 is defined by the design and used to guarantee safety margins, proper operation and high reliability ot the product. 30/1301-BMR 450 0002 Uen Specification 22 Technical Date Rev Reference EN/LZT 146 400 R4B December 2011 2011-12-20 K (c) Ericsson AB Connections Power Management Overview The product incorporates a wide range of monitorable and configurable power management features that are simple to implement with a minimum of external components. Additionally, the product includes protection features that continuously safeguard the load from damage due to unexpected system faults. A fault is also shown as an alert on the SALERT pin. The following product parameters can continuously be monitored by a host: Input voltage, output voltage/current, and internal temperature. If the monitoring is not needed it can be disabled and the module enters a low power mode reducing the power consumption. The protection features are not affected. All power management functions can be configured via the PMBus interface. Monitoring parameters can be preconfigured to provide alerts for specific conditions. Please contact your local Ericsson Power Modules representative for design support of custom configurations or appropriate SW tools for design and down-load of new configurations. Efficiency Optimized Dead Time Control The regulator utilizes a closed loop algorithm to optimize the dead-time applied between the gate drive signals for the switch and synch FETs. The algorithm constantly adjusts the deadtime non-overlap to minimize the duty cycle, thus maximizing efficiency. This algorithm will null out deadtime differences due to component variation, temperature and loading effects. The algorithm can be configured via the PMBus. Please contact your local Ericsson Power Modules representative for design support of custom configurations or appropriate SW tools for design and down-load of new configurations. Pin layout, top view. Pin Designation Function 1A VIN Input Voltage 2A GND Power Ground 3A VOUT Output Voltage 4A +S Positive sense 4B -S Negative sense 5A SA0 Address pin 0 5B SA1 Address pin 1 6A SCL PMBus Clock 6B SDA 7A FLEX PMBus Data Analog voltage adjust / Synchronization 7B DGND PMBus Ground 8A SALERT 8B CTRL PMBus Alert PMBus Control (Remote Control) Ericsson Internal PRODUCT SPECIFICATION E Prepared (also subject responsible if other) No. 30/1301-BMR 450 0002 Uen Specification 23 Technical EGUHAIL Approved Checked BMR 450 SEC/D (JuliaDigital You) PoL Regulators EZIWSON Input 4.5-14 V, Output up to 20 A / 100 W Typical Application Circuits A typical application circuit when using Analog Voltage Adjust. Supply CTRL C I 1A 2A C 3A O BMR 450 8A 7A 8B 7B 6A 6B 5A 5B 4A 4B R SET R SA0 R SA1 PMBus (SALERT, SDA, SCL, DGND) Load A typical application circuit when using Synchronization and PMBus Voltage Adjust. Supply C I 1A 2A C Sync CTRL O 3A BMR 450 8A 7A 6A 8B 7B 6B 5A 5B 4A 4B R SA0 R SA1 PMBus (SALERT, SDA, SCL, DGND) Load The resistors, R SA0 and R SA1 , are used for adressing, described in section Adressing . Date 2011-12-20 Rev Reference EN/LZT 146 400 R4B December 2011 K (c) Ericsson AB 6 (7) E Ericsson Internal PRODUCT SPECIFICATION Prepared (also subject responsible if other) EGUHAIL Approved Checked BMR 450 SEC/D (JuliaDigital You) PoL Regulators EZIWSON Input 4.5-14 V, Output up to 20 A / 100 W PMBus Interface 31/1301-BMR 450 00/02 UenSpecification 24 Technical Date Rev 2011-12-20 SA0/SA1 Index The regulator provides a digital PMBus interface that enables the user to monitor the input and output parameters. The PMBus interface can also be used for configuration of the regulator. The products can be used with any standard 2-wire I2C or SMBus host device. In addition, the device is compatible with PMBus version 1.1 and includes an SALERT line to help mitigate bandwidth limitations related to continuous fault monitoring. The PMBus signals, SCL, SDA, SALERT requires passive pull-up resistors as stated in the SMBus Specification. Monitoring via PMBus A system controller can monitor a wide variety of different parameters through the PMBus interface. The controller can monitor for fault condition by monitoring the SALERT pin, which will be asserted when any number of pre-configured fault or warning conditions occur. The system controller can also continuously monitor for any number of power conversion parameters including but not limited to the following: 0 Reference EN/LZT 146 400 R4B December 2011 D (c) Ericsson AB R SA0 /R SA1 [k] SA0/SA1 Index 10 13 R SA0 /R SA1 [k] 34.8 1 11 14 38.3 2 12.1 15 42.2 3 13.3 16 46.4 4 14.7 17 51.1 5 16.2 18 56.2 6 17.8 19 61.9 7 19.6 20 68.1 8 21.5 21 75 9 23.7 22 82.5 10 26.1 23 90.9 11 28.7 24 100 12 31.6 The PMBus address follows the equation below: Input voltage Output voltage Output current Internal junction temperature Switching frequency Duty cycle PMBus Address = 25 x (SA1 index) + (SA0 index) Software Tools for Design and Production Ericsson provides software for configuration and monitoring of this product via the PMBus interface. For more information please contact your local Ericsson sales representative. PMBus Addressing The PMBus address should be configured with resistors connected between SA0 and SA1 pin to the -S pin, as shown in the figure. Recommended resistor values for hard-wiring PMBus addresses (series E96, 1% tolerance resistors suggested) are shown in the table. SA0 SA1 RSA1 1 (4) No. RSA0 S Schematic of connection of address resistors. The user can theoretically configure up to 625 unique PMBus addresses, however the PMBus address range is inherently limited to 128. Therefore, the user should use index values 0 4 on the SA1 pin and the full range of index values on the SA0 pin, which will provide 102 device address combinations (The address 0d75 is allocated for production needs and can not be used). The user shall also be aware of further limitations of the address space as stated in the SMBus Specification(Note that 0-12, 40, 44, 45, 55, 64-68 in decimal are reserved and may not be usable). E Ericsson Internal PRODUCT SPECIFICATION Prepared (also subject responsible if other) 31/1301-BMR 450 00/02 UenSpecification 25 Technical EGUHAIL Approved 2 (4) No. Checked BMR 450 SEC/D (JuliaDigital You) PoL Regulators EZIWSON Input 4.5-14 V, Output up to 20 A / 100 W Date 2011-12-20 Rev Reference EN/LZT 146 400 R4B December 2011 D (c) Ericsson AB PMBus Commands VIN_UV_WARN_LIMIT 58h Yes The DC/DC regulators are PMBus compliant. The following table lists the implemented PMBus commands. For more detailed information see PMBus Power System Management Protocol Specification; Part I - General Requirements, Transport and Electrical Interface and PMBus Power System Management Protocol; Part II - Command Language. VIN_UV_FAULT_LIMIT 59h Yes VOUT_OV_WARN_LIMIT 42h No VOUT_UV_WARN_LIMIT 43h No IOUT_OC_WARN_LIMIT 4Ah No Fault Response Commands Designation Cmd Impl VOUT_OV_FAULT_RESPONSE 41h Yes VOUT_UV_FAULT_RESPONSE 45h Yes Standard PMBus Commands OT_FAULT_RESPONSE 50h Yes Control Commands UT_FAULT_RESPONSE 54h Yes 00h No VIN_OV_FAULT_RESPONSE 56h Yes OPERATION 01h Yes VIN_UV_FAULT_RESPONSE 5Ah Yes ON_OFF_CONFIG 02h Yes IOUT_OC_FAULT_RESPONSE 47h No WRITE_PROTECT 10h No IOUT_UC_FAULT_RESPONSE 4Ch No PAGE Time setting Commands Output Commands VOUT_MODE (Read Only) 20h Yes TON_DELAY 60h Yes 61h Yes VOUT_COMMAND 21h Yes TON_RISE VOUT_TRIM 22h Yes TOFF_DELAY 64h Yes 65h Yes 62h No VOUT_CAL_GAIN 23h Yes TOFF_FALL VOUT_MAX 24h Yes TON_MAX_FAULT_LIMIT VOUT_MARGIN_HIGH 25h Yes Status Commands (Read Only) VOUT_MARGIN_LOW 26h Yes CLEAR_FAULTS 03h Yes VOUT_TRANSITION_RATE 27h Yes STATUS_BYTE 78h Yes VOUT_DROOP 28h Yes STATUS_WORD 79h Yes MAX_DUTY 32h Yes STATUS_VOUT 7Ah Yes 7Bh Yes FREQUENCY_SWITCH 33h Yes STATUS_IOUT IOUT_CAL_GAIN 38h Yes STATUS_INPUT 7Ch Yes 7Dh Yes 7Eh Yes 88h Yes IOUT_CAL_OFFSET 39h Yes STATUS_TEMPERATURE VOUT_SCALE_LOOP 29h No STATUS_CML VOUT_SCALE_MONITOR 2Ah No Monitor Commands (Read Only) COEFFICIENTS 30h No READ_VIN READ_VOUT 8Bh Yes POWER_GOOD_ON 5Eh Yes READ_IOUT 8Ch Yes VOUT_OV_FAULT_LIMIT 40h Yes READ_TEMPERATURE_1 8Dh Yes 8Eh No Fault Limit Commands VOUT_UV_FAULT_LIMIT 44h Yes READ_TEMPERATURE_2 IOUT_OC_FAULT_LIMIT 46h Yes READ_FAN_SPEED_1 90h No 94h Yes 95h Yes IOUT_UC_FAULT_LIMIT 4Bh Yes READ_DUTY_CYCLE OT_FAULT_LIMIT 4Fh Yes READ_FREQUENCY OT_WARN_LIMIT 51h Yes Identification Commands (Read Only) UT_WARN_LIMIT 52h Yes PMBUS_REVISION 98h Yes 99h Yes 9Ah Yes UT_FAULT_LIMIT 53h Yes MFR_ID VIN_OV_FAULT_LIMIT 55h Yes MFR_MODEL E Ericsson Internal PRODUCT SPECIFICATION Prepared (also subject responsible if other) No. 31/1301-BMR 450 00/02 UenSpecification 26 Technical EGUHAIL Approved Checked BMR 450 SEC/D (JuliaDigital You) PoL Regulators EZIWSON Input 4.5-14 V, Output up to 20 A / 100 W MFR_LOCATION 9Ch Yes MFR_DATE 9Dh Yes MFR_SERIAL 9Eh Yes 37h Yes STORE_DEFAULT_ALL 11h Yes RESTORE_DEFAULT_ALL 12h Yes STORE_USER_ALL 15h No RESTORE_USER_ALL 16h No D4h Yes IOUT_AVG_OC_FAULT_LIMIT E7h Yes IOUT_AVG_UC_FAULT_LIMIT E8h Yes E5h Yes MFR_IOUT_UC_FAULT_RESPONSE E6h Yes OVUV_CONFIG D8h Yes MFR_CONFIG D0h Yes USER_CONFIG D1h Yes PID_TAPS D5h Yes NLR_CONFIG D7h Yes TEMPCO_CONFIG DCh Yes DEADTIME DDh Yes DEADTIME_CONFIG DEh Yes POLA_VADJ_CONFIG D6h Yes E0h Yes Group Commands INTERLEAVE Supervisory Commands BMR 450 Specific Commands Time Setting Commands POWER_GOOD_DELAY Fault limit Commands Fault Response Commands MFR_IOUT_OC_FAULT_RESPONSE Configuration and Control Commands Group Commands SEQUENCE Supervisory Commands USER_PASSWORD (PUBLIC) FCh Yes UNPROTECT FDh Yes SECURITY_LEVEL FAh Yes Notes: Cmd is short for Command. Impl is short for Implemented. Date 2011-12-20 Rev Reference EN/LZT 146 400 R4B December 2011 D (c) Ericsson AB 3 (4) E Ericsson Internal PRODUCT SPEC. MECHANICAL Prepared (also subject responsible if other) No. EPETSCH Approved Checked BMR 450 Digital PoL Regulators See 1 EAB/FJB/GMF [N Johansson] Input 4.5-14 V, Output up to 20 A / 100 W 4/1301 - BMR 450 Uen Technical Specification 27 Date 2009-03-24 Mechanical Information -- Hole Mount, Open Frame Version Rev Reference EN/LZT 146 400 R4B December 2011 C (c) Ericsson AB 1 (3) E Ericsson Internal PRODUCT SPEC. MECHANICAL Prepared (also subject responsible if other) No. EPETSCH Approved Checked BMR 450 Digital PoL Regulators See 1 EAB/FJB/GMF [N Johansson] Input 4.5-14 V, Output up to 20 A / 100 W Mechanical Information -- Surface Mount Version 4/1301 - BMR 450 Uen Technical Specification 28 Date 2009-03-24 Rev Reference EN/LZT 146 400 R4B December 2011 C (c) Ericsson AB 2 (3) Ericsson Internal PRODUCT SPEC. E Prepared (also subject responsible if other) 1 (4) No. 5/1301-BMR450 Technical Uen Specification 29 EPETSCH Approved Checked BMR 450 Digital PoL Regulators See 1 EAB/FJB/GKF [G.Eriksson] Input 4.5-14 V, Output up to 20 A / 100 W Date 2008-09-16 Rev Reference EN/LZT 146 400 R4B December 2011 B (c) Ericsson AB Soldering Information - Surface Mounting The surface mount product is intended for forced convection or vapor phase reflow soldering in SnPb and Pb-free processes. The reflow profile should be optimised to avoid excessive heating of the product. It is recommended to have a sufficiently extended preheat time to ensure an even temperature across the host PCB and it is also recommended to minimize the time in reflow. A no-clean flux is recommended to avoid entrapment of cleaning fluids in cavities inside the product or between the product and the host board, since cleaning residues may affect long time reliability and isolation voltage. Minimum Pin Temperature Recommendations Pin number 2A is chosen as reference location for the minimum pin temperature recommendation since this will likely be the coolest solder joint during the reflow process. Lead-free (Pb-free) solder processes For Pb-free solder processes, a pin temperature (TPIN) in excess of the solder melting temperature (TL, 217 to 221C for SnAgCu solder alloys) for more than 30 seconds and a peak temperature of 235C on all solder joints is recommended to ensure a reliable solder joint. Maximum Product Temperature Requirements Top of the product PCB near pin 8B is chosen as reference location for the maximum (peak) allowed product temperature (TPRODUCT) since this will likely be the warmest part of the product during the reflow process. SnPb solder processes For SnPb solder processes, the product is qualified for MSL 1 according to IPC/JEDEC standard J-STD-020C. During reflow TPRODUCT must not exceed 225 C at any time. Pb-free solder processes SnPb solder processes For SnPb solder processes, a pin temperature (TPIN) in excess of the solder melting temperature, (TL, 183C for Sn63Pb37) for more than 30 seconds and a peak temperature of 210C is recommended to ensure a reliable solder joint. For dry packed products only: depending on the type of solder paste and flux system used on the host board, up to a recommended maximum temperature of 245C could be used, if the products are kept in a controlled environment (dry pack handling and storage) prior to assembly. General reflow process specifications SnPb eutectic Pb-free Average ramp-up (TPRODUCT) 3C/s max 3C/s max 183C 221C Typical solder melting (liquidus) temperature TL Minimum reflow time above TL Minimum pin temperature TPIN Peak product temperature TPRODUCT 30 s 30 s 210C 235C For Pb-free solder processes, the product is qualified for MSL 3 according to IPC/JEDEC standard J-STD-020C. During reflow TPRODUCT must not exceed 260 C at any time. Dry Pack Information Products intended for Pb-free reflow soldering processes are delivered in standard moisture barrier bags according to IPC/JEDEC standard J-STD-033 (Handling, packing, shipping and use of moisture/reflow sensitivity surface mount devices). Using products in high temperature Pb-free soldering processes requires dry pack storage and handling. In case the products have been stored in an uncontrolled environment and no longer can be considered dry, the modules must be baked according to J-STD-033. Thermocoupler Attachment 225C 260C Average ramp-down (TPRODUCT) 6C/s max 6C/s max Maximum time 25C to peak 6 minutes 8 minutes Pin 2A for measurement of minimum Pin (solder joint) temperature TPIN Temperature TPRODUCT maximum TPIN minimum Pin profile TL Product profile Time in reflow Time in preheat / soak zone Time 25C to peak Time Pin 8B for measurement of maximum product temperature TPRODUCT Ericsson Internal PRODUCT SPEC. E Prepared (also subject responsible if other) 2 (4) No. EPETSCH Approved Checked BMR 450 Digital PoL Regulators See 1 EAB/FJB/GKF [G.Eriksson] Input 4.5-14 V, Output up to 20 A / 100 W 5/1301-BMR450 Technical Uen Specification 30 Date 2008-09-16 Rev Reference EN/LZT 146 400 R4B December 2011 B (c) Ericsson AB Soldering Information - Hole Mounting The hole mounted product is intended for plated through hole mounting by wave or manual soldering. The pin temperature is specified to maximum to 270C for maximum 10 seconds. A maximum preheat rate of 4C/s and maximum preheat temperature of 150C is suggested. When soldering by hand, care should be taken to avoid direct contact between the hot soldering iron tip and the pins for more than a few seconds in order to prevent overheating. A no-clean flux is recommended to avoid entrapment of cleaning fluids in cavities inside the product or between the product and the host board. The cleaning residues may affect long time reliability and isolation voltage. Delivery Package Information The products are delivered in antistatic injection molded trays (Jedec design guide 4.10D standard). Tray Specifications Material Antistatic PPE Surface resistance Tray thickness 10 < Ohm/square < 10 The trays can be baked at maximum 125C for 48 hours 14.50 mm 0.571 [inch] Box capacity 300 products (5 full trays/box) Tray weight 160 g empty, 490 g full tray Bakability 5 12 JEDEC standard tray for 6x10 = 60 products. All dimensions in mm [inch] Tolerances: X.x 0.26 [0.01], X.xx 0.13 [0.005] Note: pick up positions refer to center of pocket. See mechanical drawing for exact location on product. Ericsson Internal PRODUCT SPEC. E Prepared (also subject responsible if other) 3 (4) No. 5/1301-BMR450 Technical Uen Specification 31 EPETSCH Approved Checked BMR 450 Digital PoL Regulators See 1 EAB/FJB/GKF [G.Eriksson] Input 4.5-14 V, Output up to 20 A / 100 W Date 2008-09-16 Rev Reference EN/LZT 146 400 R4B December 2011 B (c) Ericsson AB Product Qualification Specification Characteristics External visual inspection IPC-A-610 Change of temperature (Temperature cycling) IEC 60068-2-14 Na Temperature range Number of cycles Dwell/transfer time -40 to 100C 1000 15 min/0-1 min Cold (in operation) IEC 60068-2-1 Ad Temperature TA Duration -45C 72 h Damp heat IEC 60068-2-67 Cy Temperature Humidity Duration 85C 85 % RH 1000 hours Dry heat IEC 60068-2-2 Bd Temperature Duration 125C 1000 h Electrostatic discharge susceptibility IEC 61340-3-1, JESD 22-A114 IEC 61340-3-2, JESD 22-A115 Human body model (HBM) Machine Model (MM) Class 2, 2000 V Class 3, 200 V Immersion in cleaning solvents IEC 60068-2-45 XA, method 2 Water Glycol ether Isopropyl alcohol 55C 35C 35C Mechanical shock IEC 60068-2-27 Ea Peak acceleration Duration 100 g 6 ms J-STD-020C Level 1 (SnPb-eutectic) Level 3 (Pb Free) 225C 260C MIL-STD-202G, method 108A Duration 1000 h IEC 60068-2-20 Tb, method 1A Solder temperature Duration 270C 10-13 s IEC 60068-2-21 Test Ua1 IEC 60068-2-21 Test Ue1 Through hole mount products Surface mount products All leads All leads Preconditioning Temperature, SnPb Eutectic Temperature, Pb-free 150C dry bake 16 h 215C 235C Preconditioning Temperature, SnPb Eutectic Temperature, Pb-free Steam ageing 235C 245C Frequency Spectral density Duration 10 to 500 Hz 2 0.07 g /Hz 10 min in each direction Moisture reflow sensitivity 1 Operational life test Resistance to soldering heat 2 Robustness of terminations IEC 60068-2-58 test Td 1 IEC 60068-2-20 test Ta 2 Solderability Vibration, broad band random IEC 60068-2-64 Fh, method 1 Notes 1 Only for products intended for reflow soldering (surface mount products) 2 Only for products intended for wave soldering (plated through hole products)