FUJITSU SEMICONDUCTOR DATA SHEET DS04-27800-1E ASSP For Power Management Applications (Mobile Phones) Power Management IC for Mobile Phone MB3893 DESCRIPTION MB3893 is a multi-function power management IC chip with built-in 4-channel series regulator providing the output control functions and power supply drop detection circuits required for mobile phones. The MB3893 includes lithium-ion battery charge control functions and functions as a built-in power management system ideal for mobile phone devices. FEATURES [Power Supply Control Unit] * Supply voltage range : VCC = 3.1 V to 4.8 V * Low power consumption current during standby : 110 A (max.) * Built-in 4-channel low-saturation voltage type series regulator : 2.5 V/2 channels, 1.8 V/1 channels, 2.0 V/1 channels (1.9 V and 2.2 V available as mask options) * Built-in interruption detection and supply recovery functions eliminate need for supplementary power supply * Built-in On/Off switch circuit with accidental operation prevention function * Accurate supply voltage drop detection * Built-in power-on reset (OUT1) function * Detection voltage with hysteresis [Charge Control Unit] * Supply voltage range : VIN = 3.4 V to 5.9 V * Built-in lithium-ion battery charge control functions * Charging voltage : 4.1 V/4.2 V (switchable) * Built-in preliminary charging function * Built-in re-charging function * Built-in timer functions * Built-in battery temperature detection function PACKAGES 48-pin plastic LQFP 48-pad plastic BCC (FPT-48P-M05) (LCC-48P-M02) MB3893 PIN ASSIGNMENT (TOP VIEW) 25 : LED 26 : CONT2 27 : OUT3 28 : VCC1 29 : OUT1 30 : OUT2 31 : FULL 32 : CHARGE 33 : VBDET2 34 : VBDET1 35 : XRST 36 : ICONT [Power Supply Control Unit] LEDG : 37 24 : LEDEN LEDR : 38 23 : SW1 GND2 : 39 22 : OUT4 VCC : 40 21 : VCC2 INTV : 41 20 : TEST CVC : 42 19 : VFIL BATSENSE : 43 18 : POFF COSC : 44 17 : ONOFF2 ROSC : 45 16 : VCONT [Charge Control Unit] (FPT-48P-M05) (LCC-48P-M02) 2 CR1 : 12 XON : 11 VREF1M : 10 ONOFF1 : 9 GND1 : 8 C1 : 7 CONT5 : 6 13 : CR2 DRST : 5 TSENSE : 48 ISENSE- : 4 14 : CONT1 ISENSE+ : 3 VREFTH : 47 CONT : 2 15 : RC1 VIN : 1 BATSEL : 46 MB3893 PIN DESCRIPTION Pin No. Symbol I/O Description 1 VIN Power supply pin for the charge control unit. 2 CONT O External P-ch MOS FET output control pin. 3 ISENSE+ I Charge current detection input pin. 4 ISENSE- I Charge current/voltage detection input pin. 5 DRST I Power supply drop detection reset input pin. 100 k pull-down. 6 CONT5 I Battery voltage measurement setting pin. 100 k pull-down. 7 C1 I POR delay time setting capacitor connection pin. 8 GND1 9 ONOFF1 I REG ON control pin. 100 k pull-up: VCC (edge input) 10 VREF1M O Reference voltage output pin. (Power supply control unit) 11 XON I REG On control pin. 100 k pull-up: VCC (with delay) 12 CR1 I Power supply drop detection judgement capacitor-resistor connection pin. 13 CR2 I Cutoff detection judgement capacitor-resistor connection pin. 14 CONT1 I REG ON control pin. 100 k pull-up: VCC 15 RC1 I XON delay time setting capacitor-resistor connection pin. 470 k pull-up: VCC (XON = LO) 16 VCONT O REG rise signal output pin. 17 ONOFF2 I REG ON control pin. 100 k pull-up: VCC (edge input) 18 POFF I REG OFF control pin. 100 k pull-down (OFF) 19 VFIL O REG reference pin. 20 TEST Testing auxiliary pin. (normally GND connection) 21 VCC2 REG4 power supply pin. 22 OUT4 O REG4 output pin. 23 SW1 O Battery voltage measurement output pin. 24 LEDEN I LED input pin. 100 k pull-down (LEDR : "L" = ON, "H" = OFF) 25 LED I LED input pin. 100 k pull-down (LEDG : "H" = ON, "L" = OFF) 26 CONT2 I REG3 On/Off control pin. 470 k pull-up : OUT1 27 OUT3 O REG3 output pin. 28 VCC1 REG1, 2, 3 supply pin. 29 OUT1 O REG1 output pin. (2.5 V typ.) 30 OUT2 O REG2 output pin. (1.8 V typ.) 31 FULL O Charge state detection signal output pin. (full charge) 32 CHARGE O Charge state detection signal output pin. (charging) 33 VBDET2 O Power supply drop detection output signal pin. Ground pin. (2.5 V typ.) (2.0 V typ.) (Continued) 3 MB3893 4 (Continued) Pin No. Symbol I/O 34 VBDET1 O Power supply drop detection output signal pin. (10 s typ.) 35 XRST O POR reset output pin. 36 ICONT I REG output mode switching pin. 100 k pull-down 37 LEDG O LED output pin. (open drain) 38 LEDR O LED output pin. (open drain) 39 GND2 Ground pin. 40 VCC Power supply pin for the power supply control unit 41 INTV Internal power supply pin. 42 CVC I Phase compensation capacitor connection pin. 43 BATSENSE I Battery connection verification input pin. 100 k pull-up : VIN 44 COSC I Oscillator frequency setting capacitor connection pin. 100 pF + 19 pF (reference capacitance) 45 ROSC I Oscillator frequency setting resistance connection pin. 46 BATSEL I Charge setting voltage switching pin. 100 k pull-up : VIN (OPEN = 4.1 V, "L" = 4.2 V) 47 VREFTH O Temperature detection reference voltage pin 48 TSENSE I Temperature detection input pin. Description MB3893 BLOCK DIAGRAM * Overall VCC 40 RC1 XON POFF CONT1 ONOFF1 ONOFF2 DRST 15 11 Power supply control unit 36 Time constant 16 18 28 14 Power supply control 9 17 OUT 29 5 POR Power supply detector CR1 CR2 CONT5 VIN 35 ISENSE+ ISENSE- CONT CVC ROSC COSC LEDR LEDG TSENSE BATSENSE BATSEL CHARGE FULL LEDEN LED VREFTH TEST GND2 GND1 VCC1 OUT1 OUT 30 OUT 27 XRST C1 OUT2 ON REG2 26 12 13 6 OUT3 ON REG3 Charge control unit 1 21 INTV VCONT ON REG1 7 CONT2 ICONT 41 OUT 3 22 VCC2 OUT4 ON REG4 4 2 42 45 44 Initial power supply/ Power supply drop detection circuit 38 37 48 Charge control 34 33 VBDET1 VBDET2 43 46 32 31 VCC 23 SW1 24 25 BGR 19 VFIL 47 20 + - 10 VREF1M 39 8 5 MB3893 * Charge control unit VIN Stabilized power supply CONT CVC Charge status control VREFTH BATSEL ROSC COSC OSC LED LED drive1 LEDG Constant voltage control Constant current control ISENSE+ ISENSE- Thermal Shutdown LEDEN LED drive2 LEDR TIMER1 TIMER2 Battery temperature TSENSE BATSENSE FULL Microprocessor 6 CHARGE INTV TEST GND PTC MB3893 ABSOLUTE MAXIMUM RATINGS Parameter Symbol Power supply voltage Input voltage Rating Min. Max. Unit VCC 21, 28, 40 pin 7 V VIN 1 pin 15 V VIN1 2, 37, 38, 42 to 48 pin -0.3 VIN + 0.3 V VIN2 3 to 7, 9 to 20, 22 to 27, 29 to 36, 41 pin -0.3 VCC + 0.3 V 200 pF, 0 200 V Ta +25 C (LQFP-48P) 860* mW Ta +25 C (BCC-48P) 710* mW -55 +125 C ESD static withstand voltage Power dissipation PD Storage temperature Condition Tstg * : The packages are mounted on the dual-sided epoxy board (10 cm x 10 cm). WARNING: Semiconductor devices can be permanently damaged by application of stress (voltage, current, temperature, etc.) in excess of absolute maximum ratings. Do not exceed these ratings. RECOMMENDED OPERATING CONDITIONS Parameter Symbol Condition VCC Value Unit Min. Typ. Max. 3.1 4.8 V VIN 3.4 5.3 5.9 V REG capacitor ESR guarantee value 0.02 0.6 REG capacitor guarantee value CO OUT1 to OUT4 pin 0.8 1.0 F VREF1M capacitor guarantee value CO VREF1M pin 100 pF Operating ambient temperature Ta -30 +25 +85 C Power supply voltage WARNING: The recommended operating conditions are required in order to ensure the normal operation of the semiconductor device. All of the device's electrical characteristics are warranted when the device is operated within these ranges. Always use semiconductor devices within their recommended operating condition ranges. Operation outside these ranges may adversely affect reliability and could result in device failure. No warranty is made with respect to uses, operating conditions, or combinations not represented on the data sheet. Users considering application outside the listed conditions are advised to contact their FUJITSU representatives beforehand. 7 MB3893 ELECTRICAL CHARACTERISTICS (Ta = -30 to +85 C, VCC = 3.1 V to 4.8 V) Reference voltage block Parameter Symbol Pin No. VFIL 19 VO1S Value Unit Min. Typ. Max. VFIL = 0 mA 1.19 1.23 1.27 V 29 OUT1 = 0 to -500 A, ICONT = "L" level 2.41 2.50 2.59 V VO1F 29 OUT1 = 0 to -70 mA, ICONT = "H" level 2.41 2.50 2.59 V Input stability Line 29 OUT1 = 0 to -70 mA, ICONT = "H" level 20 mV Load stability Load 29 OUT1 = 0 to -70 mA, ICONT = "H" level -30 0 mV VIN = 0.2 Vrms, f = 1 kHz, OUT1 = 0 to -70 mA, ICONT = "H" level 50 dB VIN = 0.2 Vrms, f = 10 kHz, OUT1 = 0 to -70 mA, ICONT = "H" level 50 dB 95 Vrms 100 200 400 mA Reference voltage Output voltage Constant voltage control block [REG1] Conditions Ripple rejection Noise Overcurrent protection value R.R 29 VNOVL1 29 f = 10 Hz to 20 kHz, VCC = 3.6 V, OUT1 = -70 mA, ICONT = "H" level IL1 29 OUT1 = 90 %, ICONT = "H" level 29 Pin 9, 14, 17 control OUT1 = 1.0 F, OUT1 = 36 , OUT1 = 90 % 200 s 29 VCC control OUT1 = 1.0 F, OUT1 = 36 , OUT1 = 90 % 150 ms TR1 Rise time TR2 (Continued) 8 MB3893 (Continued) Parameter (Ta = -30 to +85 C, VCC = 3.1 V to 4.8 V) Symbol Pin No. VO2S 30 VO2F Input stability Load stability Constant voltage control block [REG2] Noise Overcurrent protection value Value Unit Min. Typ. Max. OUT2 = 0 to -500 A, ICONT = "L" level 1.71 1.80 1.89 V 30 OUT2 = 0 to -50 mA, ICONT = "H" level 1.71 1.80 1.89 V Line 30 OUT2 = 0 to -50 mA, ICONT = "H" level 20 mV Load 30 OUT2 = 0 to -50 mA, ICONT = "H" level -30 0 mV VIN = 0.2 Vrms, f = 1 kHz, OUT2 = 0 to -50 mA, ICONT = "H" level 50 dB VIN = 0.2 Vrms, f = 10 kHz, OUT2 = 0 to -50 mA, ICONT = "H" level 50 dB 95 Vrms Output voltage Ripple rejection Conditions R.R 30 VNOVL2 30 f = 10 Hz to 20 kHz, VCC = 3.6 V, OUT2 = -50 mA, ICONT = "H" level IL2 30 OUT2 = 90 %, ICONT = "H" level 65 130 260 mA 30 Pin 9, 14, 17 control OUT2 = 1.0 F, OUT2 = 36 , OUT2 = 90 % 200 s 30 VCC control OUT2 = 1.0 F, OUT2 = 36 , OUT2 = 90 % 150 ms TR1 Rise time TR2 (Continued) 9 MB3893 (Continued) Parameter (Ta = -30 to +85 C, VCC = 3.1 V to 4.8 V) Symbol Pin No. VO3S 27 VO3F Input stability Load stability Constant voltage control block [REG3] Noise Overcurrent protection value Value Unit Min. Typ. Max. OUT3 = 0 to -500 A, ICONT = "L" level, CONT2 = "L" level (1.81) 1.91 (2.11) (1.90) 2.00 (2.20) (1.99) 2.09 (2.29) V 27 OUT3 = 0 to -70 mA, ICONT = "H" level, CONT2 = "L" level (1.81) 1.91 (2.11) (1.90) 2.00 (2.20) (1.99) 2.09 (2.29) V Line 27 OUT3 = 0 to -70 mA, ICONT = "H" level, CONT2 = "L" level 20 mV Load 27 OUT3 = 0 to -70 mA, ICONT = "H" level, CONT2 = "L" level -30 0 mV VIN = 0.2 Vrms, f = 1 kHz, OUT3 = 0 to -70 mA, ICONT = "H" level, CONT2 = "L" level 50 dB VIN = 0.2 Vrms, f = 10 kHz, OUT3 = 0 to -70 mA, ICONT = "H" level, CONT2 = "L" level 50 dB 95 Vrms Output voltage Ripple rejection Conditions R.R 27 VNOVL3 27 f = 10 Hz to 20 kHz, VCC = 3.6 V, OUT3 = -70 mA, ICONT = "H" level, CONT2 = "L" level, IL2 27 OUT3 = 90 %, ICONT = "H" level, CONT2 = "L" level 65 170 340 mA 27 Pin 9, 14, 17 control OUT3 = 1.0 F, OUT3 = 27 , OUT3 = 90 %, CONT2 = "L" level 200 s 27 VCC control OUT3 = 1.0 F, OUT3 = 27 , OUT3 = 90 %, CONT2 = "L" level 150 ms TR1 Rise time TR2 (Continued) 10 MB3893 (Continued) Parameter (Ta = -30 to +85 C, VCC = 3.1 V to 4.8 V) Symbol Pin No. Constant voltage control block [REG4] Value Min. Typ. Max. Unit VO4S 22 OUT4 = 0 to -500 A, ICONT = "L" level 2.41 2.50 2.59 V VO4F 22 OUT4 = 0 to -60 mA, ICONT = "H" level 2.41 2.50 2.59 V Input stability Line 22 OUT4 = 0 to -60 mA, ICONT = "H" level 20 mV Load stability Load 22 OUT4 = 0 to -60 mA, ICONT = "H" level -30 0 mV VIN = 0.2 Vrms, f = 1 kHz, OUT4 = 0 to -60 mA, ICONT = "H" level 50 dB VIN = 0.2 Vrms, f = 10 kHz, OUT4 = 0 to -60 mA, ICONT = "H" level 50 dB 95 Vrms Output voltage Ripple rejection R.R 22 VNOVL4 22 f = 10 Hz to 20 kHz, VCC = 3.6 V, OUT4 = -60 mA, ICONT = "H" level IL4 22 OUT4 = 90 %, ICONT = "H" level 80 160 320 mA 22 Pin 9, 14, 17 control OUT4 = 1.0 F, OUT4 = 42 , OUT4 = 90 % 200 s TR2 22 VCC control OUT4 = 1.0 F, OUT4 = 42 , OUT4 = 90 % 150 ms Output voltage VO 10 VREF1M = 0 mA, CONT5 = "H" level 1.19 1.23 1.27 V Output current IO 10 CONT5 = "H" level -1 mA Invalid current ICCVR 40 VREF1M = -1 mA, VCC = 3.6 V, CONT5 = "H" level 0.3 1.4 mA Input stability Line 10 VREF1M = 0 to -1 mA, CONT5 = "H" level 20 mV Load stability Load 10 VREF1M = 0 to -1 mA, CONT5 = "H" level -30 0 mV Noise Overvoltage protection value TR1 Rise time VREF1M Conditions (Continued) 11 MB3893 (Continued) Parameter VREF1M Symbol Pin No. Conditions Value Min. Typ. Max. Unit 10 VIN = 0.2 Vrms, f = 1 kHz, VREF1M = 0 to -1 mA, CONT5 = "H" level 50 dB 10 VIN = 0.2 Vrms, f = 1 kHz, VREF1M = 0 to -1 mA, CONT5 = "H" level 44 49 dB VNOVL 10 f = 10 Hz to 20 kHz, VCC = 3.6 V, VREF1M = 0 to -1 mA, CONT5 = "H" level 95 Vrms TR 10 VREF1M = 1.2 k, VREF1M = 90 %, CONT5 = "H" level 10 30 s VIL 5, 6, 18, 24, 25, 26, 36 0.0 0.3 V VIH 5, 6, 18, 24, 25, 26, 36 0.7 x OUT1 OUT1 V VIL 9, 11, 14, 17 0.0 0.3 x VCC V VIH 9, 11, 14, 17 0.7 x VCC VCC V VOL 16 VCONT = 1 mA 0.0 0.4 V VOH 16 VCONT = -1 mA 2.0 VCC V VOL 35 XRST = 20 A 0.0 0.2 V VOH 35 XRST = -100 A OUT1 - 0.2 OUT1 V VOL 34 VBDET1 = 20 A 0.0 0.2 V VOH 34 VBDET1 = -20 A OUT1 - 0.2 OUT1 V VOL 33 VBDET2 = 20 A 0.0 0.2 V VOH 33 VBDET2 = -20 A OUT1 - 0.2 OUT1 V VOL 32 CHARGE = 20 A 0.0 0.2 V VOH 32 CHARGE = -20 A OUT1 - 0.2 OUT1 V VOL 31 FULL = 20 A 0.0 0.2 V VOH 31 FULL = -20 A OUT1 - 0.2 OUT1 V SW1 ON resistance RON 23 SW1 = -600 A, CONT5 = "H" level 500 XON delay TXON 300 600 900 ms Ripple rejection Noise Rise time Input voltage ON/OFF control Block (Ta = -30 to +85 C, VCC = 3.1 V to 4.8 V) VCONT pin output voltage XRST pin output voltage VBDET1 pin output voltage VBDET2 pin output voltage CHARGE pin output voltage FULL pin output voltage R.R 11, 15, RC1 = 1 F 16 (Continued) 12 MB3893 (Continued) POR Parameter Symbol Pin No. Conditions Detection voltage (rise) VSH 29 Detection voltage (fall) VSL 29 Tpor 29, 35 VCCE 40 VCCD Power supply drop detection block Rise delay Detection voltage VCCF temperature correlation Power supply drop detection time Standby supply current Power supply control unit overall (Ta = -30 to +85 C, VCC = 3.1 V to 4.8 V) Power-on invalid current (receiving standby) Value Unit Min. Typ. Max. 2.3* V 2.15 2.2 2.25 V 34 85 136 ms Initial power detected 2.62 2.75 2.87 V 40 Power supply dorop detected 2.38 2.50 2.61 V VCCR 40 Power supply recovery detected 3.35 3.50 3.65 V VCCF 40 Initial or power supply drop determined Ta = +25 C 2.0* V VCCt 40 -2.2 mV/ C Tdet1 34 CR1 = 10 F, CR1 = 1.8 M 5 10 15 s Tdet2 33 CR2 = 1.5 F, CR2 = 1.8 M 0.75 1.5 2.25 s 40 REG1 to REG4 : OFF, CONT5 = "L" level, ICONT = "L" level, VCC = 4.8 V 22 50 A REG3 : OFF, CONT5 = "L" level, ICONT = "L" level, VCC = 4.8 V, OUT1 = -200 A, OUT2 = -100 A, OUT4 = -100 A, 60 110 A 260 600 A ICC1 ICC2 40 C1 = 0.1 F Excluding OUT1, 2, 4 load current Power-on invalid current (call in progress) ICC3 40 REG1 to REG4 : ON, CONT5 = "L" level, ICONT = "H" level, CONT2 = "L" level, VCC = 4.8 V, OUT1 = -70 mA, OUT2 = -50 mA, OUT3 = -70 mA, OUT4 = -60 mA, Excluding OUT1, 2, 4 load current *: Standard setting value (Continued) 13 MB3893 (Continued) Charge control unit Parameter (Ta = +3 to +48 C, VIN = 5.3 V, BATSENESE = GND) Symbol Pin No. Conditions Value Min. Typ. Max. Unit 1 Ta = -10 C to +60 C, BATSENSE = OPEN 5.5 V 1 During charging 3.4 5.3 5.9 V VadL 1 Ta = -10 C to +60 C, BATSENSE = OPEN/GND 2.70 3.05 3.40 V VadH 1 Ta = -10 C to +60 C, BATSENSE = OPEN/GND 5.9 6.2 6.5 V Reference voltage VREFTH 47 Ta = 0 C to +50 C, VREFTH = 0 to -1 mA 1.64 1.70 1.76 V Output current IREFTH 47 Ta = 0 C to +50 C -1 mA VBAT1 4 Ta = -10 C to +60 C, BATSEL = OPEN 4.078 4.115 4.152 V VBAT2 4 Ta = -10 C to +60 C, BATSEL = "L" level 4.178 4.215 4.252 V VBpt 4 Overvoltage stop 4.275 4.325 4.400 V VBft 4 Rapid charging start voltage 3.015 3.115 3.215 V VBrc 4 Recharging start voltage 3.885 3.935 4.000 V VBpc 4 Preliminary charging start voltage 2.015 2.115 2.215 V Ift 3, 4 Rapid charging current VBft < VBAT < VBpt, RSENSE = 0.333 565 590 615 mA Icmp 3, 4 Charge control current VBft < VBAT < VBpt, RSENSE = 0.333 46 53 60 mA Ipc 3, 4 Preliminary charging current VBpc < VBAT < VBft, RSENSE = 0.333 72 80 95 mA 3, 4 Over discharge recovery charging current VBAT < VBpc, VIN = 5.6 0.2 V 0.8 2.1 10.0 mA Range of charging operation VIN Low voltage stop Over voltage stop Output voltage Output current Ireco (Continued) 14 MB3893 (Continued) Parameter Symbol Pin No. 4 ROSC = 56 k, COSC = 100 pF + 19 pF, Rapid charging VBft < VBAT < VBpt 216 240 264 min 4 ROSC = 56 k, COSC = 100 pF + 19 pF, Preliminary charging VBpc < VBAT < VBft 14.4 16.0 17.6 min Treco 4 ROSC = 56 k, COSC = 100 pF + 19 pF, Over discharge recovery charging VBAT < VBpc 13.5 15.0 16.5 s Initial determination delay Tdd 1 ROSC = 56 k, COSC = 100 pF + 19 pF, Ta = -10 C to +60 C 30 45 60 ms Full charge determination delay Tdic ROSC = 56 k, COSC = 100 pF + 19 pF 78 117 156 ms Overvoltage stop determination delay Tbov ROSC = 56 k, COSC = 100 pF + 19 pF 0.30 0.46 0.62 s Charging restart determination delay Trc ROSC = 56 k, COSC = 100 pF + 19 pF 153 230 312 ms THLT 48 VREFTH = 1.7 V, Ta = -10 C to +60 C, 3 C detected 1.154 0 1.189 3 1.223 6 V C THSU 48 VREFTH = 1.7 V, Ta = -10 C to +60 C, 41 C detected (initial) 0.539 38 0.571 41 0.601 45 V C THOM1 48 VREFTH = 1.7 V, Ta = -10 C to +60 C, 48 C detected 0.463 45 0.488 48 0.511 51 V C THOM1 48 VREFTH = 1.7 V, Ta = -10 C to +60 C, 41 C detecxted (restart) 0.539 38 0.571 41 0.601 45 V C VIL 43 Battery present 0.0 0.3 x VIN V VIH 43 Battery not present 0.7 x VIN VIN V Tft Timer Charge control unit (Ta = +3 to +48 C, VIN = 5.3 V, BATSENESE = GND) Value Conditions Unit Min. Typ. Max. Tpc Battery temperature detection BATSENSE pin input voltage (Continued) 15 MB3893 (Continued) Parameter VIL 46 4.2 V battery selected 0.0 0.3 x VIN V VIH 46 4.1 V battery selected 0.7 x VIN VIN V LEDR pin ON resistance Ron 38 LEDR = 5 mA 80 LEDG pin ON resistance Ron 37 LEDG = 5 mA 80 LEDR, LEDG pin output current IO 37, 38 10 mA Supply current IVIN 1 VIN = 5.8 V, Fast charging 1.5 3.0 mA Leak current ISEN 3, 4 ISENSE+ = ISENSE- = 4.8 V, VCC = 4.8 V, VIN = CONT = GND 1 A Test mode ISENSE- pin clamp voltage Vpr 4 BATSENSE = OPEN, VadL < VIN < VadH, Ta = -10 C to +60 C 4.75 4.88 5.01 V 2 BATSENSE = OPEN, VadL < VIN < VadH, VISENSE- = 2.5 V, CONT = 10 A 0.1 V BATSENSE = OPEN, external FET, gate capacitor < 1000 pF, Ta = -10 C to +60 C 100 s RTTOVR BATSENSE = GNDOPEN or OPENGND, external FET, gate capacitor< 1000 pF, Ta = -10 C to +60 C 30 ms TH+ VadL < VIN < VadH 125 158 C Charge control unit BATSEL pin input voltage Test mode CONT pin voltage Test mode response time BATSENSE response time Thermal protection 16 Symbol Pin No. (Ta = +3 to +48 C, VIN = 5.3 V, BATSENESE = GND) Value Conditions Unit Min. Typ. Max. Vthr RTOP MB3893 TYPICAL CHARACTERISTICS * Power Supply Control Unit Overall GND current vs. Power supply voltage 100 REG 1, 2, 4 = ON REG 3 = OFF 80 ICONT = "L" CONT5 = "L" Ta = -30 C 60 Ta = +25 C 40 Ta = +85 C 250 GND current IGND (A) Power supply current ICC (A) Power supply current vs. Power supply voltage 20 0 TC = +25 C REG 1 4 = ON OUT1 = 36 OUT2 = 36 OUT3 = 27 OUT4 = 42 ICONT = "H" CONT5 = "L" 200 150 100 50 0 0 1 2 3 4 0 5 1 Power supply voltage VCC (V) 2 3 4 5 Power supply voltage VCC (V) * Reference Voltage Block Reference voltage vs. Ambient temperature 1.4 Ta = +25 C 1.2 Reference voltage VFIL (V) Reference voltage VFIL (V) Reference voltage vs. Power supply voltage Ta = -30 C Ta = +85 C 1.0 0.8 0.6 VFIL = 0.1 F REG 1, 2, 4 = ON REG 3 = OFF ICONT = "H" CONT5 = "L" 0.4 0.2 0.0 0 1 2 3 4 5 1.27 1.26 1.25 1.24 1.23 1.22 1.21 1.2 VCC = 3.6 V VFIL = 0.1 F REG 1, 2, 4 = ON REG 3 = OFF ICONT = "H" CONT5 = "L" 1.19 -40 -20 0 20 40 60 80 100 Ambient temperature Ta ( C) Power supply voltage VCC (V) * Constant Voltage Control Block Output voltage vs. Ambient temperature (REG1) 3.0 VCC = 3.6 V ICONT = "H" 2.5 2.0 Ta = +85 C 1.5 Ta = +25 C Ta = -30 C 1.0 0.5 0.0 0 50 100 150 200 250 Short output current IOS1 (mA) 300 2.59 Output voltage VOUT1 (V) Output voltage VOUT1 (V) Output voltage vs. Short output current (REG1) VCC = 3.6 V ICONT = "H" 2.57 2.55 2.53 2.51 2.49 2.47 2.45 2.43 2.41 -40 -20 0 20 40 60 80 100 Ambient temperature Ta ( C) (Continued) 17 MB3893 (Continued) -20 -30 0 Ta = +25 C VCC = 3.6 V (VIN = 0.2 Vrms) VFIL = 0.1 F ICONT = "H" -40 -50 -60 -70 OUT1 = 0.66 F OUT1 = 1.00 F OUT1 = 10.0 F -80 100 1k 10 k 100 k 1M -10 -20 -30 -40 Ta = +25 C VCC = 3.6 V (VIN = 0.2 Vrms) OUT1 = 36 VFIL = 0.1 F ICONT = "H" -50 OUT1 = 1.00 F OUT1 = 0.66 F -60 OUT1 = 10.0 F -70 -80 100 1k Frequency f (Hz) VFIL = 0.1 F 0 1 2 3 4 5 6 7 Power supply voltage VCC (V) Output voltage VOUT1 (V) Output voltage VOUT1 (V) VFIL = 0.01 F 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 VFIL = 0.001 F 100 80 60 VFIL = 0.01 F 40 VFIL = 0.1 F 20 0 1 10 100 1m 10 m Load current ILOAD (A) 100 m 120 Noise VNOVL (Vrms) Noise VNOVL (Vrms) 120 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Noise vs. VFIL capacitor (REG1) Ta = +25 C VCC = 3.6 V OUT1 = 1.0 F ICONT = "H" 140 OUT1 Time t (s) Noise vs. Load current (REG1) 160 4 3 2 Ta = +25 C 1 VCC = 3.6 V OUT1 = 1.0 F 0 ICONT = "H" POFF Time t (ms) 180 1M Output voltage falling waveforms (REG1 ON/OFF Control) 4 3 Ta = +25 C OUT1 = 1.0 F 2 ICONT = "H" 1 0 VCC 100 k Frequency f (Hz) Output voltage rising waveforms (REG1 Battery Load) 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 10 k ON/OFF control VPOFF (V) 0 -10 Ripple rejection vs. Frequency (2) (REG1 Load) Ripple rejection R.R (dBm) Ripple rejection R.R (dBm) Ripple rejection vs. Frequency (1) (REG1 No-Load) 100 80 Ta = +25 C VCC = 3.6 V OUT1 = 1.0 F OUT2 = 36 (-70 mA) ICONT = "H" 60 40 20 0 0.001 0.01 0.1 VFIL capacitor CFIL (F) (Continued) 18 MB3893 (Continued) GND current vs. Load current (REG1) GND current IGND (A) 160 158 156 154 152 150 148 146 144 142 140 Ta = +25 C VCC = 3.6 V REG 1, 2, 4 = ON REG 3 = OFF ICONT = "H" CONT5 = "L" 0 20 40 60 80 100 Load current ILOAD (mA) Output waveform at power supply change (1) (REG1) 4.0 2.50 3.5 2.48 OUT1 2.46 2.44 2.42 0 5.0 Ta = +25 C VCC = 4 V 5 V OUT1 = 36 ICONT = "H" 4.5 VCC 4.0 3.5 2.50 2.48 OUT1 2.46 2.44 2.42 20 40 60 80 100 120 140 160 180 200 0 20 40 60 80 100 120 140 160 180 200 t (s) t (s) Waveform at rapid change of output load (1) (REG1) Waveform at rapid change of output load (1) (REG1) - time axis enlarged 2.5 Ta = +25 C VCC = 3.6 V OUT1 = 0 A -50 mA ICONT = "H" 2.4 2.3 3.0 2.2 VC 2.0 1.0 0.0 0 10 20 30 40 50 60 70 80 90 100 t (s) OUT1 2.5 Pk - Pk Ta = +25 C 132 mV VCC = 3.6 V OUT1 = 0 A -50 mA ICONT = "H" 2.4 2.3 2.2 3.0 VC 2.0 1.0 0.0 0 2 4 6 8 10 12 14 16 18 20 NPN collector voltage VC (V) Pk - Pk 132 mV OUT1 NPN collector voltage VC (V) Output voltage VOUT1 (V) 2.6 2.6 Output voltage VOUT1 (V) Output voltage VOUT1 (V) 4.5 Power supply voltage VCC (V) 5.0 5.5 Ta = +25 C VCC = 5 V 4 V OUT1 = 36 ICONT = "H" VCC Output voltage VOUT1 (V) Power supply voltage VCC (V) 5.5 Output waveform at power supply change (2) (REG1) t (s) (Continued) 19 MB3893 (Continued) Waveform at rapid change of output load (2) (REG1) Waveform at rapid change of output load (2) (REG1) - time axis enlarged Pk - Pk 76 mV 2.4 Ta = +25 C VCC = 3.6 V OUT1 = -50 mA ICONT = "H" 2.3 2.2 0A 3.0 2.0 1.0 VC 0.0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 OUT1 2.5 Pk - Pk 80 mV Ta = +25 C VCC = 3.6 V OUT1 = -50 mA 0 A ICONT = "H" 2.4 2.3 3.0 2.2 2.0 1.0 VC 0 2 t (s) [Measurement Diagram for Rapid Change of Output Load] 0.0 4 6 8 10 12 14 16 18 20 NPN collector voltage VC (V) 2.5 Output voltage VOUT1 (V) 2.6 OUT1 NPN collector voltage VC (V) Output voltage VOUT1 (V) 2.6 t (s) VCC = 3.6 V VREF = 1.23 V (IC internal) + REG - OUT 50 mA 1.0 F VC 4V 0V (Continued) 20 MB3893 (Continued) * Charge control unit Fast charge current vs. Ambient temperature 1.74 1.72 1.70 1.68 1.66 0 10 20 30 40 50 60 Ambient temperature Ta ( C) Ta = + 25 C VIN = 5.3 V ISENSE- = 2.5 V TSENSE = 0.8 V 85 80 75 70 VREFTH - TSENSE = 10 k ROSC = 56 k COSC = 100 pF BATSENSE = GND BATSEL = GND 65 60 55 50 -10 0 10 20 30 40 50 Ta = + 25 C VIN = 5.3 V TSENSE = 0.8 V 52 50 48 VREFTH - TSENSE = 10 k ROSC = 56 k COSC = 100 pF BATSENSE = GND BATSEL = GND 46 44 42 40 -10 0 10 20 30 40 50 Ambient temperature Ta ( C) 0 10 20 30 40 50 60 Ta = + 25 C VIN = 5.3 V ISENSE- = 1.8 V TSENSE = 0.8 V 3.5 3.0 2.5 2.0 VREFTH - TSENSE = 10 k ROSC = 56 k COSC = 100 pF BATSENSE = GND BATSEL = GND 1.5 1.0 0.5 0 10 20 30 40 50 60 Ambient temperature Ta ( C) Charge control current vs. Ambient temperature 54 VREFTH - TSENSE = 10 k ROSC = 56 k COSC = 100 pF BATSENSE = GND BATSEL = GND 4.0 0.0 -10 60 Ambient temperature Ta ( C) 56 Ta = + 25 C VIN = 5.3 V ISENSE- = 3.5 V TSENSE = 0.8 V Over discharge recovery charge current vs. Ambient temperature Preliminary charge current vs. Ambient temperature 90 615 610 605 600 595 590 585 580 575 570 565 -10 Ambient temperature Ta ( C) Over discharge recovery charge current Ireco (mA) Preliminary charge current Ipc (mA) 1.64 -10 Charge control current Icmp (mA) Ta = + 25 C VIN = 5.3 V BATSENSE = GND TSENSE = 0.8 V 60 Battery terminal output voltage VBAT1 (V) Charge block reference voltage VREFTH (V) 1.76 Fast charge current Ift (mA) Charge control reference voltage vs. Ambient temperature Battery terminal output voltage vs. Ambient temperature 4.14 4.13 4.12 4.11 4.10 4.09 4.08 4.07 4.06 4.05 4.04 -20 -10 Ta = + 25 C VIN = 5.3 V TSENSE = 0.8 V VREFTH - TSENSE = 10 k ROSC = 56 k COSC = 100 pF BATSENSE = GND BATSEL = OPEN 0 10 20 30 40 50 60 70 Ambient temperature Ta ( C) (Continued) 21 MB3893 Battery terminal output voltage vs. Ambient temperature 4.24 4.23 4.22 4.21 4.20 4.19 4.18 4.17 4.16 4.15 4.14 -20 -10 Recharge start voltage vs. Ambient temperature Ta = + 25 C VIN = 5.3 V TSENSE = 0.8 V VREFTH - TSENSE = 10 k ROSC = 56 k COSC = 100 pF BATSENSE = GND BATSEL = GND 0 10 20 30 40 50 60 70 Recharge start voltage VBrc (V) Battery terminal output voltage VBAT2 (V) (Continued) 4.00 3.99 3.98 3.97 3.96 3.95 3.94 3.93 3.92 3.91 3.90 3.89 3.88 -10 Ambient temperature Ta ( C) Ta = + 25 C VIN = 5.3 V TSENSE = 0.8 V VREFTH - TSENSE = 10 k ROSC = 56 k COSC = 100 pF BATSENSE = GND BATSEL = GND 0 10 20 30 40 50 60 Ambient temperature Ta ( C) Overvoltage stop VBpt (V) Overvoltage stop vs. Ambient temperature 4.40 4.39 4.38 4.37 4.36 4.35 4.34 4.33 4.32 4.31 4.30 4.29 4.28 4.27 4.26 -10 Ta = + 25 C VIN = 5.3 V TSENSE = 0.8 V VREFTH - TSENSE = 10 k ROSC = 56 k COSC = 100 pF BATSENSE = GND BATSEL = GND 0 10 20 30 40 50 60 Ambient temperature Ta ( C) 6 Ta = + 25 C BATSENSE = OPEN 5 4 3 2 1 0 0 1 2 3 LED output voltage vs. LED output current LED output voltage VLED (V) Power supply control unit power supply voltage VCC (V) Power supply control unit power supply voltage vs. Charge control unit power supply voltage (Transparent Mode) 4 5 6 7 8 Charge control unit power supply voltage VIN (V) 3.5 Ta = + 25 C 3.0 VIN = 5.3 V ISENSE- = 3.5 V 2.5 LEDR 2.0 1.5 LEDG 1.0 0.5 0.0 0 5 10 15 20 25 30 LED output current ILED (mA) (Continued) 22 MB3893 (Continued) Oscillator frequency vs. Timing resistor ROSC = 27 k Oscillator frequency fOSC (kHz) Oscillator frequency fOSC (kHz) Oscillator frequency vs. Timing capacitor 450 Ta = + 25 C VIN = 5.3 V BATSENSE = OPEN 400 350 300 250 ROSC = 56 k 200 150 100 50 ROSC = 110 k 0 40 60 80 100 120 140 160 180 200 450 400 350 300 COSC = 100 pF 250 200 150 COSC 100 = 180 pF 50 0 20 30 40 600 80 Ta = + 25 C 70 VIN = 5.3 V BATSENSE = OPEN 60 500 50 400 40 Fast charge time 300 30 200 20 100 Preliminary charge time 10 0 0 0 50 100 150 200 250 300 350 400 450 500 Power dissipation vs. Ambient temperature (LQFP-48P) Power dissipation PD (mW) Power dissipation PD (mW) Oscillatory frequency fOSC (kHz) 1000 860 800 600 400 200 0 -40 -20 0 20 40 60 80 Ambient temperature Ta ( C) Over discharge recovery charge time Treco (s) Fast charge time Tft (min) Preliminary charge - fast charge time vs. Oscillator frequency 700 50 60 70 80 90 100 110 120 Timing resistor ROSC (k) Preliminary charge time Tpc (min) Timing capacitor COSC (pF) 800 Ta = + 25 C VIN = 5.3 V BATSENSE = OPEN COSC = 56 pF 100 Over discharge recovery charge time vs. Oscillator frequency 45 Ta = + 25 C VIN = 5.3 V BATSENSE = OPEN 40 35 30 Over discharge recovery charge time 25 20 15 10 5 0 0 50 100 150 200 250 300 350 400 450 500 Oscillator frequency fOSC (kHz) Power dissipation vs. Ambient temperature (BCC-48P) 1000 800 710 600 400 200 0 -40 -20 0 20 40 60 80 100 Ambient temperature Ta ( C) 23 MB3893 FUNCTIONAL DESCRIPTION 1. Power Supply Control Unit (1) Reference Voltage Block The reference voltage circuit uses the voltage supplied from the VCC terminal (pin 40) and generates a temperature compensated reference voltage (1.23 V (typ.)), for use as the reference voltage for the power supply control unit. (2) Constant Voltage Control Block (REG1) This constant voltage control block (REG1) uses the voltage supplied from the reference voltage and generates the output voltage (2.5 V) from the OUT1 terminal (pin 29). An external load current can be obtained from the OUT1 terminal up to a maximum of 70 mA. Also, by setting the ICONT terminal (pin 36) to "L" level the MB3893 can be placed in low current consumption (standby) mode. In standby mode, REG1 is On with a maximum output load of 500 A, and REG3 is Off. In this state, ripple rejection and noise levels are not assured. (3) Constant Voltage Control Block (REG2) This constant voltage control block (REG2) uses the voltage supplied from the reference voltage and generates the output voltage (1.8 V) from the OUT2 terminal (pin 30). An external load current can be obtained from the OUT2 terminal up to a maximum of 50 mA. Also, by setting the ICONT terminal (pin 36) to "L" level the MB3893 can be placed in low current consumption (standby) mode. In standby mode, REG2 is On with a maximum output load of 500 A, and REG3 is Off. In this state, ripple rejection and noise levels are not assured. (4) Constant Voltage Control Block (REG3) This constant voltage control block (REG3) uses the voltage supplied from the reference voltage and generates the output voltage from the OUT3 terminal (pin 27). An external load current can be obtained from the OUT3 terminal up to a maximum of 70 mA. Also, the output voltage can be changed to 1.9V or 2.2 V by mask option. (5) Constant Voltage Control Block (REG4) This constant voltage control block (REG4) uses the voltage supplied from the reference voltage and generates the output voltage (2.5 V) from the OUT4 terminal (pin 22). An external load current can be obtained from the OUT4 terminal up to a maximum of 60 mA. Also, by setting the ICONT terminal (pin 36) to "L" level the MB3893 can be placed in low current consumption (standby) mode. In standby mode, REG4 is On with a maximum output load of 500 A, and REG3 is Off. In this state, ripple rejection and noise levels are not assured. (6) VREF1M This block takes the reference voltage (1.23 V (typ.)) generated by the reference voltage block, and uses a voltage follower to produce a temperature compensated reference voltage (1.23 V (typ.)) at the VREF1M terminal (pin 10). Also, an external load current can be obtained from the VREF1M terminal up to a maximum of 1 mA. (7) ON/OFF Control Block This block controls regulator On/Off switching according to the voltage levels of the POFF terminal (pin 18), CONT2 terminal (pin 26), CONT5 terminal (pin 6), ICONT terminal (pin 36), DRST terminal (pin 5), XON terminal (pin 11), ONOFF1 terminal (pin 9), ONOFF2 terminal (pin 17), and CONT1 terminal (pin 14). 24 MB3893 (8) POR Block When the output voltage from the regulator (OUT1) exceeds 2.3 V (typ.), the XRST terminal (pin 35) goes to "H" level following a delay time (85 ms (typ.)) set by capacitors (0.1 F (typ.)) connected between the C1 terminal (pin 7) and the GND1 terminal (pin 8) and GND2 terminal (pin 39). Also, when the regulator (OUT1) output voltage falls below 2.2 V ((typ.)), the XRST terminal goes back to "L" level. (9) Initial Power Supply Drop Detection 1 This block controls MB3893 operation when VCC startup occurs at VCC voltage of 2.0V (typ.) or greater. When VCC voltage exceeds 2.75V (typ.) the VCONT terminal (pin 16) voltage goes to "H" level, and the regulated voltage is output from the OUT1 terminal (pin 29), OUT2 terminal (pin 30), and OUT4 terminal (pin 22). When VCC voltage falls below 3.1V (typ.), the voltage at the OUT1, OUT2, and OUT4 terminals is outside of rated values. Then when VCC voltage falls below 2.5V (typ.), the VCONT terminal (pin 16) voltage goes to "L" level, and the OUT1, OUT2, and OUT4 terminals go to "L" level (regulator "OFF" state). Hereafter this is referred to as "L" level. As long as the VCC voltage rises again before dropping below 2.0V (typ.), the VCONT pin voltage will return to "H" level once VCC reaches 3.5 V (typ.), and the regulated voltage is output from the OUT1, OUT2, and OUT4 terminals. (10) Transient Power Supply Drop Detection 2 This block detects two types of power supply drop times according to the time constants CR1 and CR2, and produces the related output at the VBDET1 terminal (pin 34) and VBDET2 terminal (pin 33). 2. Charge Control Block The charge control block checks VIN, battery voltage, and battery temperature before charging. If the results are within normal ranges, charging begins. During charging, the charging times and current levels are varied according to battery voltage. The VIN and battery temperature are monitored, and if either exceeds the normal range charging is stopped. Conditions are then monitored for a fixed time (16 min (typ.)) and a resume charging/ abnormal termination determination is made. The MB3893 also provides an overcharge protection function, as well as a function that stops charging when a rise in IC junction temperature is detected. Once charging has stopped due to any of these abnormal conditions, it can be resumed by re-input of VIN, or by removing and replacing the battery. (1) Constant Current/Constant Voltage Charging The MB3893 applies a constant current charge according to the battery voltage level, selecting over discharge recovery charging (2.1 mA (typ.)), preliminary charging (80 mA (typ.)) or rapid charging (590 mA (typ.)). Once battery voltage reaches 4.1 V (4.2 V), constant voltage charging is applied until the charge current falls to 53 mA (typ.) at constant voltage. (2) Timer Function The timer switches the charging time according to the battery voltage level, between over discharge recovery charging (15 s (typ.)), preliminary charging (16 min (typ.)), and rapid charging (240 min (typ.)). (3) Temperature/AC Adapter Voltage Detection This block detects the battery temperature and AC adapter voltage, and stops charging if either is outside of the normal charging range. If normal conditions are restored within a set time (16 min (typ.)), charging is resumed, otherwise an abnormal termination is determined. (4) Over-Charge Protection If battery voltage exceeds 4.3 V (typ.) this block determines an abnormal condition, and stops charging. 25 MB3893 SETTING THE XON DELAY TIME When the XON terminal (pin 11) voltage changes from "H" to "L" level, the VCONT signal (pin 16) rises. The time constant of the capacitor (CRC1) and resistor (RRC1) connected to the RC1 terminal (pin 15) determine the delay time before the rise of the VCONT signal (pin 16). XON delay time : TXON (ms) =: 598.3 x CRC1 (F) SETTING THE XRST DELAY TIME The time constant of the capacitor (CC1) connected to the C1 terminal (pin 7) determines the delay time between the rise of the OUT1 terminal (pin 29) voltage above 2.3 V (typ.) and the rise of the XRST terminal (pin 35) voltage. XRST delay time : TPOR (s) =: 1.23 (V) x CC1 (F) 1.45 (A) SETTING THE POWER SUPPLY DROP DETECTION TIME When the VCC terminal (pin 40) voltage falls below 2.0 V (typ.) the CR1 terminal (pin 12) and CR2 terminal (pin 13) are opened, and the capacitors (CCR1, CCR2) connected to the CR1 and CR2 terminals are discharged through the respective resistors (RCR1, RCR2). The discharge time (cutoff detection time) of the CR1 and CR2 pins can be set according to the time constants of the capacitors and resistors connected to the CR1 and CR2 terminals respectively, between 0.89 V (typ.) to 0.51 V (typ.). Cutoff detection time : Tdet1 (s) =: -CCR1 (F) x RCR1 (M) x ln (0.51 (V) /0.89 (V) ) Tdet2 (s) =: -CCR2 (F) x RCR2 (M) x ln (0.51 (V) /0.89 (V) ) BATTERY TEMPERATURE DETECTION The battery temperature sensor uses the thermistor shown below. The thermistor temperature coefficient is set by the following formula. Thermistor temperature coefficient : B = T1 : 276 (K) = 3 ( C) R1 : 23.27 (k) T2 : 321 (K) = 48 ( C) R2 : 4.026 (k) 26 lnR1 - lnR2 = 3454 (K) 1 / T1 - 1 / T2 VREFTH 10 k TSENSE Thermistor B = 3454 (K) MB3893 SETTING THE OSCILLATOR PERIOD The oscillator period is set by connecting a timing capacitor (COSC) to the COSC terminal (pin 44), and a timing resistor (ROSC) to the ROSC terminal (pin 45). Oscillator period : TOSC (s) =: 1.073 x 10-3 x {COSC (pF) + CP (pF) } x ROSC (k) CP : Board capacitor =: 19 (pF) SETTING THE OVER DISCHARGE RECOVERY CHARGE TIME When battery voltage is less than the preliminary charge start voltage (2.115 V (typ.)), the over discharge recovery charge time is set by the following formula. Over discharge recovery charge time : Treco (s) =: TOSC (s) x 221 PRELIMINARY CHARGE TIME When battery voltage is higher than the preliminary charge start voltage (2.115 V (typ.)), and lower than the fast charge start voltage (3.115 V (typ.)), the preliminary charge time is set by the following formula. 27 Preliminary charge time : Tpc (min) =: TOSC (s) x 2 60 RAPID CHARGE TIME When battery voltage is higher then the fast charge start voltage (2.115 V (typ.)), and lower than the overvoltage stop voltage (4.325 V (typ.)), the rapid charging time is determined by the following formula. 27 28 29 30 Rapid charging time : Tft (min) =: TOSC (s) x (2 + 2 + 2 + 2 ) 60 27 MB3893 POWER SUPPLY CONTROL UNIT TIMING CHART 1. Power Supply Drop Detection 1 As Figure 1 shows, there is a "don't care zone" where VCC voltage is below 2 V. When VCC voltage is above VCCE voltage (2.75 V (typ.)), the VCONT terminal (pin 16) goes to "H" level, and after a delay time (TR) the OUT1 terminal (pin 29), the OUT2 terminal (pin 30), and the OUT4 terminal (pin 22) output their regulated voltages. When VCC voltage falls below VCCD voltage (2.50 V (typ.)), a power supply drop detection is determined and the VCONT terminal goes to "L" level, and therefore the OUT1, OUT2, and OUT4 terminals also go to "L" level. If the VCC voltage rises again before falling below 2 V, the OUT1, OUT2, and OUT4 terminals will once again output their regulated voltages once VCC exceeds the VCCR voltage (3.50 V (typ.)) VCCR 3.1 V VCC VCCE VCCD 2.0 V 1 0V VDET (IC internal) VCONT TR 2 TR 2 OUT1, OUT2, OUT4 : Don't care zone : Out of regulation *1: Initial cutoff determination level *2: TR1 < TR < TR2 Figure 1. Power Supply Cutoff Sensor 1 28 MB3893 2. Delayed ON Input Operation (XON) As Figure 2 shows, When the XON terminal (pin 11) changes from "H" to "L" level, the capacitor connected to the RC1 terminal (pin 15) starts to charge. After the delay interval (TXON : 600ms (typ.)), once the RC1 terminal exceeds the internal threshold voltage the VCONT terminal (pin 16) goes to "H" level, and the OUT1 (pin 29), OUT2 (pin 30), OUT3 (pin 27), and OUT4 (pin 22) terminals then output their respective regulated voltages after a delay interval (TR1). Note however that for the OUT3 terminal to output its regulated voltage, it is necessary for the CONT2 terminal (pin 26) to be at "L" level. Also, for the XON pin to return from "L" level to "H" level, a delay interval (TXON : 600 ms (typ.)) is required. TL > Txon XON Txon Txon : 600 ms (typ.) internal VTH RC1 CONT2 RC1 charging VCC Low VCONT TR1 OUT1, OUT2, OUT3, OUT4 Reg on Reg off Figure 2. Delayed ON Input Operation (XON) 3. CONT1 Input Operation As Figure 3 shows, when the CONT1 terminal (pin 14) goes from "H" to "L" level, the VCONT terminal (pin 16) goes to "H" level, and the OUT1 (pin 29), OUT2 (pin 30), OUT3 (pin 27), and OUT4 (pin 22) terminals then output their respective regulated voltages after a delay interval (TR1). Note however that for the OUT3 terminal to output its regulated voltage, it is necessary for the CONT2 terminal (pin 26) to be at "L" level. Also once the OUT1, OUT2, OUT3, and OUT4 terminals have started to output their regulated voltages, the voltage at the OUT1, OUT2, OUT3, and OUT4 terminals will not change even if the CONT1 terminal goes from "L" to "H" level, or from "H" level to "L" level. CONT1 CONT2 Low VCONT TR1 OUT1, OUT2, OUT3, OUT4 Reg on Reg off Figure 3. CONT1 Input Operation 29 MB3893 4. POFF Input Operation As Figure 4 shows, once when the POFF terminal (pin 18) goes to "H" level, then after a delay interval (0 < delay < 100 s) the VCONT terminal (pin 16) goes to "L" level, and the OUT1 (pin 29), OUT2 (pin 30), and OUT4 (pin 22) terminals then after a delay interval (t) go to "L" level. Also, a minimum of 10 s is required to set the POFF signal to "H" level. POFF 10 s (min.) VCONT 0 < delay < 100 s t* Reg on OUT1, OUT2, OUT4 Reg off *: t : Varies according to the output status of each regulator. Figure 4. POFF Input Operation 5. CONT2 Input Operation As Figure 5 shows, when the CONT2 terminal (pin 26) goes from "H" to "L" level, the OUT3 terminal (pin 27) after a delay interval (TR1) outputs its regulated voltage. When the CONT2 terminal goes from "L" to "H" level, then the OUT3 terminal returns to "L" level after the required fall time (t). CONT2 TR1 Reg on OUT3 Reg off *: t : Varies according to the output status of the regulator. Figure 5. CONT2 Input Operation 30 t* Reg off MB3893 6. ONOFF1, 2 Input Operation As Figure 6 shows, when the ONOFF1 terminal (pin 9) goes from "L" level to "H" level, the VCONT terminal (pin 16) goes to "H" level, and the OUT1 (pin 29), OUT2 (pin 30), OUT3 (pin 27), and OUT4 (pin 22) terminals output their respective regulated voltages. The next time the POFF terminal (pin 18) goes from "L" level to "H" level, the VCONT terminal (pin 16) goes to "L" level, and the OUT1 (pin 29), OUT2 (pin 30), and OUT4 (pin 22) terminals go to "L" level. Then when the ONOFF2 terminal (pin 17) goes from "L" level to "H" level, the VCONT terminal returns to "H" level, and the OUT1, OUT2, OUT3 and OUT4 terminals output their respective regulated voltages. The next time the POFF terminal goes from "L" level to "H" level, the VCONT terminal goes to "L" level, and the OUT1, OUT2, and OUT4 terminals go to "L" level. Then when the ONOFF1 terminal goes from "L" level to "H" level, the VCONT terminal returns to "H" level, and the OUT1, OUT2 and OUT4 terminals output their respective regulated voltages. The next time the POFF terminal goes from "L" level to "H" level, the VCONT terminal goes to "L" level, and the OUT1, OUT2, and OUT4 terminals go to "L" level. Then when the ONOFF2 terminal goes from "H" level to "L" level, the VCONT terminal returns to "H" level, and the OUT1, OUT2 and OUT4 terminals output their respective regulated voltages. The next time the POFF terminal goes from "L" level to "H" level, the VCONT terminal goes to "L" level, and the OUT1, OUT2, and OUT4 terminals go to "L" level. ONOFF1 ONOFF2 POFF VCONT OUT1, OUT2, OUT4 Figure 6. ONOFF1, 2 Input Operation 31 MB3893 7. Power-On Reset (OUT1) As Figure 7 shows, when the OUT1 terminal (pin 29) exceeds 2.3 V (typ.), then after a delay interval (85 ms (typ.)) the XRST terminal (pin 35) goes to "H" level. When the OUT1 terminal falls back below 2.2 V (typ.), the XRST terminal returns to "L" level. OUT1 XRST POR C1 VCONT * OUT1 Signal Rise OUT1 2.3 V 85 ms (typ.) (delay external capacitor : C1 = 0.1 F) XRST * OUT1 Signal Fall Min. : 2.15 V Typ. : 2.2 V Max. : 2.25 V OUT1 XRST Figure 7. Power-On Reset (OUT1) 32 MB3893 8. ICONT Input Operation As Figure 8 shows, when the VCONT terminal (pin 16) goes from "L" level to "H" level, the OUT1 terminal (pin 29) outputs its regulated voltage. Then, after a delay interval (85 ms (typ.)) the XRST terminal (pin 35) goes to "H" level. If after the XRST terminal has gone to "H" level the ICONT terminal (pin 36) goes to "L" level, the MB3893 goes into standby mode, reducing the IC internal current consumption. When the ICONT terminal returns to "H" level normal operation is restored. When the VCONT terminal goes from "H" level to "L" level, the OUT1 terminal goes to "L" level. At this time the XRST terminal also goes to "L" level. ICONT (Low = Stand-by) STDBY (internal, High = Stand-by) XRST VCONT OUT1 85 ms (typ.) XRST ICONT (Low = Stand-by) STDBY (internal) (High = Stand-by) ICONT (Low = Stand-by) Hold > 0 s Setup > 100 s Full load current stand-by current stand-by current 0 mA Regulator Stand by Normal Stand by mode Figure 8. ICONT Input Operation 33 MB3893 9. Power Supply Drop Detector 2 (Initial power supply detector/power supply drop detector) a) t > 10 s The MB3893 power supply drop detection intervals are set to Tdet1 (10 s (typ.)) and Tdet2 (1.5 s (typ.)) so that, as shown in Figure 9(a), when VCC goes from "H" level to "L" level, the OUT1 (pin 29), OUT2 (pin 30), and OUT4 (pin 22) terminals go to "L" level, and the XRST terminal (pin 35) also goes to "L" level. At this time, the VBDET1 terminal (pin 34) and VBDET2 terminal (pin 33) also go to "L" level. When VCC drops for a fixed interval (t > 10 s), and then returns to "H" level, the OUT1, OUT2, and OUT4 terminals after a delay interval (TR2) output their regulated voltages, and the XRST terminal after a delay interval (Tpor) goes to "H" level. During the interval between the VCC drop and XRST terminal return to "H" level the VBDET1 terminal and VBDET2 terminal are in undefined state. Also once the XRST terminal returns to "H" level the VBDET1 terminal is at "L" level and the VBDET2 terminal is at "H" level. At this time, if the DRST terminal (pin 5) goes to "H" level, the VBDET1 terminal also goes to "H" level. Note that the DRST terminal must be at "H" level for at least an interval of 10 s. VCC CR1 SUPPLY DROP DETECTOR (10 s) VBDET1 (to p) DRST t drop VCC VDET (IC internal) DON'T CARE TR2 Tpor OUT1, OUT2, OUT4 XRST VBDET2 DON'T CARE VBDET1 DON'T CARE 10 s (min.) DRST Figure 9. Power Supply Drop Detector 2 (Initial power supply detector/Power supply drop detector) a) t > 10 s 34 MB3893 b) 1.5 < t < 0 s The MB3893 power supply drop detection intervals are set to Tdet1 (10 s (typ.)) and Tdet2 (1.5 s (typ.)) so that, as shown in Figure 9(b), when VCC goes from "H" level to "L" level, the OUT1 (pin 29), OUT2 (pin 30), and OUT4 (pin 22) terminals go to "L" level, and the XRST terminal (pin 35) also goes to "L" level. At this time, the VBDET1 terminal (pin 34) and VBDET2 terminal (pin 33) also go to "L" level. When VCC drops for a fixed interval (1.5 s < t < 10 s), and then returns to "H" level, the OUT1, OUT2, and OUT4 terminals after a delay interval (TR2) output their regulated voltages, and the XRST terminal after a delay interval (Tpor) goes to "H" level. During the interval between the VCC drop and XRST terminal return to "H" level the VBDET1 terminal and VBDET2 terminal are in undefined state. Also once the XRST terminal returns to "H" level the VBDET1 terminal is at "H" level and the VBDET2 terminal is also at "H" level. At this time, if the DRST terminal (pin 5) goes to "H" level, the VBDET1 and VBDET2 terminals remain at "H" level. Note that the DRST terminal must be at "H" level for at least an interval of 10 s. t drop VCC VDET (IC internal) DON'T CARE TR2 Tpor OUT1, OUT2, OUT4 XRST VBDET2 DON'T CARE VBDET1 DON'T CARE 10 s (min.) DRST Figure 9. Power Supply Drop Detector 2 (Initial power supply detector/Power supply drop detector) b) 1.5 < t < 10 s 35 MB3893 c) t < 1.5 s The MB3893 power supply drop detection intervals are set to Tdet1 (10 s (typ.)) and Tdet2 (1.5 s (typ.)) so that, as shown in Figure 9(c), when VCC goes from "H" level to "L" level, the OUT1 (pin 29), OUT2 (pin 30), and OUT4 (pin 22) terminals go to "L" level, and the XRST terminal (pin 35) also goes to "L" level. At this time, the VBDET1 terminal (pin 34) and VBDET2 terminal (pin 33) also go to "L" level. When VCC drops for a fixed interval (t < 1.5 s), and then returns to "H" level, the OUT1, OUT2, and OUT4 terminals after a delay interval (TR2) output their regulated voltages, and the XRST terminal after a delay interval (Tpor) goes to "H" level. During the interval between the VCC drop and XRST terminal return to "H" level the VBDET1 terminal and VBDET2 terminal are in undefined state. Also once the XRST terminal returns to "H" level the VBDET1 terminal is at "H" level and the VBDET2 terminal is at "L" level. At this time, if the DRST terminal (pin 5) goes to "H" level, the VBDET2 terminal goes to "H" level. Note that the DRST terminal must be at "H" level for at least an interval of 10 s. VCC CR2 SUPPLY DROP DETECTOR (1.5 s) VBDET2 (to p) DRST t drop VCC VDET (IC internal) DON'T CARE TR2 Tpor OUT1, OUT2, OUT4 XRST VBDET2 DON'T CARE VBDET1 DON'T CARE 10 s (min.) DRST Figure 9. Power Supply Drop Detector 2 (Initial power supply detector/Power supply drop detector) c) t < 1.5 s 36 MB3893 CHARGE CONTROL UNIT OPERATION FLOWCHART Start Recovery condition: VIN re-input or remove/replace battery Check battery Reset Check VIN 3.05 V to 6.20 V OSC Normal timer Check temperature TBATT = +3 C to +41 C Judge charging 45 ms TBATT < +3 C or +41 C < TBATT ,,, ,,, ,,, ,,, Stop charging 15 s VBAT < 2.115 V Charge at 2.1mA *1 16 min Abnormal condition 2.115 V < VBAT < 3.115 V Charge at 80mA *2 (77.9 mA + 2.1 mA) Resume charging, Restart timer 240 min 3.115 V < VBAT < 3.935 V < 16 min Charge at 590mA 3.935 V < VBAT< 4.215 V (4.115 V) ,,,,,, ,,,,,, VBAT = 4.215 V (4.115 V) I = 53 mA Stop charging TBATT < +3 C or +48 C < TBATT 16 min over Wait Start charging standby timer (16 min) VIN < 3.05 V or 6.2 V < VIN Stop charging, Stop timer 117 ms VBAT > 4.325 V or Thermal protection 230 ms VBAT< 3.935 V ,,,,,,, ,,,,,,, ,,,,,,, 0.46 s Normal end TBATT: Battery temperature *1 : The 2.1 mA current is supplied from the IC internally *2 : The 80 mA current is supplied from the external P-ch MOSFET (77.9 mA) plus the IC internal current of 2.1 mA. 37 MB3893 CHARGE CONTROL UNIT LED OPERATION TABLE * FULL, CHARGE, LEDR Operation Table Switch Signal pin FULL CHARGE OUT1 ON ON ON ON/OFF LEDEN H L VIN OFF H H VIN ON, BATSENSE open H H H H Over discharge recovery charging 2.1 mA L Preliminary charging 80 mA H L H L Rapid charging 590 mA H L H L Charging completed L H H H 3.935 V recharging H L H L 2.1 mA H 80 mA H H H H 590 mA H H H H 2.1 mA H 80 mA H H H H 590 mA H H H H 2.1 mA H 80 mA H H H H 590 mA H H H H 2.1 mA H 80 mA H H H H 590 mA H H H H 15 s Time out LH 16 min Time out H LH H LH VCC < 3.935 V 240 min Time out H LH H LH VCC > 3.935 V 240 min Time out L H H H VCC > 4.325 V H LH H LH Operating condition No operation Temperature detection 3 C or lower Temperature detection 41 C or 48 C or greater VIN Low < 3.05 V VCC < VIN VIN High > 6.20 V Battery abnormal LEDR LEDR, CHARGE = LH : Blinking, LEDR = L : ON, H : OFF LEDEN, FULL, CHARGE : Power supply is OUT1, therefore undefined when OUT1 = OFF. OUT1=OFF during over discharge recovery charging (2.1 mA) and 15 s time out 38 MB3893 * LEDG Operation Table LED LEDG L H H L LEDG = L : ON, H : OFF LED, LEDG: Power supply is OUT1, therefore undefined when OUT1 = OFF. ABOUT CAPACITOR CONNECTED TO VCC PIN When the VCC voltage exceeds 2.75 V (typ.), the VCONT terminal (pin 16) goes to "H" level, and the OUT1 (pin 29), OUT2 (pin 30), and OUT4 (pin 22) terminals rise. When each of these respective OUT terminals rises, a rush current flows to the capacitor connected to that OUT terminal. At this time the internal impedance of the battery causes VCC to drop, and if VCC voltage goes below 2.5 V (typ.), the OUT terminal voltage regurns to "L" level (regulator OFF mode).t is necessary to set the capacitor connected between VCC and GND taking into consideration the internal impedance of the battery, so that the VCC drop does not go below 2.5 V. 39 MB3893 APPLICATION EXAMPLE C1 2.2 F 40 VCC1 28 VCC OUT1 29 11 XON OUT2 30 C13 1 F 15 RC1 OUT3 27 36 ICONT C2 1 F C3 1 F C4 1 F VCC2 21 18 POFF OUT4 22 14 CONT1 C5 1 F VCONT 16 26 CONT2 VFIL 19 C1 7 23 SW1 CR1 12 10 VREF1M CR2 13 35 XRST C6 0.1 F C7 0.1 F C8 10 F R1 1.8 M C9 1.5 F R2 1.8 M ROSC 45 R3 56 k 34 VBDET1 33 VBDET2 COSC 44 6 CONT5 VIN 1 5 DRST 19 pF C10 100 pF * Board capacitor =: 19 pF C11 1 F Q1 Si3441DV CONT 2 9 ONOFF1 D1 CRS03 17 ONOFF2 25 LED ISENSE+ 3 24 LEDEN ISENSE- 4 CVC 42 31 FULL R4 0.333 C12 0.033 F BATSEL 46 32 CHARGE VREFTH 47 PTC 38 LEDR TSENSE 48 37 LEDG BATSENSE 41 INTV GND1 8 TEST 20 GND2 39 43 Si3441DV : VISHAY Intertechnology, Inc. CRS03 : TOSHIBA CORPORATION 40 MB3893 USAGE PRECAUTIONS 1. Never use settings exceeding maximum rated conditions. Exceeding maximum rated conditions may cause permanent damage to the LSI. Also, it is recommended that recommended operating conditions be observed in normal use. Exceeding recommended operating conditions may adversely affect LSI reliability. 2. Use this device within recommended operating conditions. Recommended operating conditions are values within which normal LSI operation is warranted. Standard electrical characteristics are warranted within the range of recommended operating conditions and within the listed conditions for each parameter. 3. Printed circuit board ground lines should be set up with consideration for common impedance. 4. Take appropriate static electricity measures. * * * * Containers for semiconductor materials should have anti-static protection or be made of conductive material. After mounting, printed circuit boards should be stored and shipped in conductive bags or containers. Work platforms, tools, and instruments should be properly grounded. Working personal should be grounded with resistance of 250 k to 1 M between body and ground. 5. Do not apply negative voltages. The use of negative voltages below -0.3 V may create parasitic transistors on LSI lines, which can cause abnormal operation. ORDERING INFORMATION Part number Package MB3893PFV 48-pin plastic LQFP (FPT-48P-M05) MB3893PV 48-pad plastic BCC (LCC-48P-M02) Remarks 41 MB3893 PACKAGE DIMENSIONS 48-pin plastic LQFP (FPT-48P-M05) Note: Pins width and pins thickness includes plating thickness. 9.000.20(.354.008)SQ 7.000.10(.276.004)SQ 36 25 37 24 0.08(.003) INDEX Details of "A" part +0.20 1.50 -0.10 48 13 +.008 (Mounting height) .059 -.004 "A" LEAD No. 1 0.500.08 (.020.003) 12 +0.08 0.18 -0.03 .007 +.003 -.001 0.08(.003) M 0.1450.055 (.006.002) 0~8 0.500.20 (.020.008) 0.45/0.75 (.018/.030) C 0.100.10 (.004.004) (Stand off) 0.25(.010) 2000 FUJITSU LIMITED F48013S-3C-7 Dimensions in mm (inches) (Continued) 42 MB3893 (Continued) 48-pad plastic BCC (LCC-48P-M02) 6.15(.242)TYP 5.00(.197)TYP 7.000.10(.276.004) 37 (0.80(.031)MAX) (Total height) 25 0.50(.020) TYP 0.500.10 (.020.004) 25 37 0.0850.040 (.003.002) (Stand off) 7.000.10 (.276.004) "C" 0.50(.020) TYP 6.15(.242) TYP 5.00(.197) TYP 0.500.10 (.020.004) 6.20(.244) TYP 48 48 13 1 13 Details of "A" part 0.05(.002) C0.2(.008) 0.450.10 (.018.004) C 1 "A" "B" 6.20(.244)TYP Details of "C" part Details of "B" part 0.450.10 (.018.004) 0.400.10 (.016.004) 0.300.10 (.012.004) 0.450.10 (.018.004) 0.450.10 (.018.004) 1998 FUJITSU LIMITED C48055SC-1-1 Dimensions in: mm (inches) 43 MB3893 FUJITSU LIMITED For further information please contact: Japan FUJITSU LIMITED Corporate Global Business Support Division Electronic Devices KAWASAKI PLANT, 4-1-1, Kamikodanaka, Nakahara-ku, Kawasaki-shi, Kanagawa 211-8588, Japan Tel: +81-44-754-3763 Fax: +81-44-754-3329 http://www.fujitsu.co.jp/ North and South America FUJITSU MICROELECTRONICS, INC. 3545 North First Street, San Jose, CA 95134-1804, U.S.A. Tel: +1-408-922-9000 Fax: +1-408-922-9179 Customer Response Center Mon. - Fri.: 7 am - 5 pm (PST) Tel: +1-800-866-8608 Fax: +1-408-922-9179 http://www.fujitsumicro.com/ Europe FUJITSU MICROELECTRONICS EUROPE GmbH Am Siebenstein 6-10, D-63303 Dreieich-Buchschlag, Germany Tel: +49-6103-690-0 Fax: +49-6103-690-122 http://www.fujitsu-fme.com/ Asia Pacific FUJITSU MICROELECTRONICS ASIA PTE. LTD. #05-08, 151 Lorong Chuan, New Tech Park, Singapore 556741 Tel: +65-281-0770 Fax: +65-281-0220 http://www.fmap.com.sg/ Korea FUJITSU MICROELECTRONICS KOREA LTD. 1702 KOSMO TOWER, 1002 Daechi-Dong, Kangnam-Gu,Seoul 135-280 Korea Tel: +82-2-3484-7100 Fax: +82-2-3484-7111 F0006 FUJITSU LIMITED Printed in Japan All Rights Reserved. The contents of this document are subject to change without notice. Customers are advised to consult with FUJITSU sales representatives before ordering. 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