Product Catalog Advanced Switching and Magnetic Sensing Solutions REDROCKTM RR110 TMR ANALOG SENSOR RedRockTM RR110 TMR Analog Sensor The RedRock 110 Series is an analog magnetic sensor, ideal for use in medical, industrial, automotive, and consumer applications. Based on patented Tunneling Magnetoresistance (TMR) technology, the RR110 Series excels even in low magnetic fields and with large air gaps. The RR110 Series offers high sensitivity in a small footprint package. Features u High sensitivity u Stable temperature performance u Resistant to mechanical stress u REACH Compliant u RoHS Compliant IDEAL APPLICATIONS Door or lid closure detection Smart phones, tablets and laptops u Proximity detection u Position sensing u Water, electric and gas meters u Fluid level detection u u DIMENSIONS in Millimeters (Inches) Top View End View End View Top View 2.90 0.15 (0.114 .006) 2.9 (0.114) 1.4 1.45 0.20 (0.057 .008) (0.057) 1.2 1.20 0.20 (0.047) (.047 .008) 0.1 (0.004) 3 0.10 0.10 (.004 .004) 2.80 0.25 (.110 .010) 1.60 0.15 (0.063 .006) 2.8 1.6 (0.063) (0.110) 0.44 0.15 (.017 .006) 0.4 (0.017) 0.6 (0.024) 0.6 (0.024) Side View Side View 1 2 0.40 0.15 (.016 .006) 0.4 (0.075) (0.016) 1.90 1.90 (0.075) Vdd 1 2 1 3 VOUT 1.10 0.15 1.1 (.043 .006) (0.043) 2 GND Ordering Information Part Number RR110-A X 1 1-0 0 Package Model Number 0 - SOT-23 Magnetoresistance (k) Special Feature A: 65kW@ 0 G, 40kW@ 100 G 0 - N/A Temp Rating (C) 1 - Industrial (-40- +85) Magnetic Polarity Feature 1 = Unipolar 1 - Default Value rev. 11062017 2 COTO TECHNOLOGY | tel: (401) 943.2686 | cotorelay.com REDROCKTM RR110 TMR ANALOG SENSOR REDROCKTM RR110 Parameters1 OPERATING CHARACTERISTICS2 Units Min Typ Resistance @0 Gauss kW 65 Resistance @100 Gauss kW 40 ns 600 /C -35 Response Time Temperature Coefficient of Resistance (at 0 field) 2 Max ELECTRICAL CHARACTERISTICS Supply Voltage Vdd Operating Current 15 1 mA 4 100 ABSOLUTE ENVIRONMENTAL RATINGS Operating Temperature: Industrial C -40 85 Storage Temperature C -55 150 Soldering Temperature (3 cycles of 1 min.) C 260 Operating Magnetic Field G 100 ESD Level (HBM)3 V See Note 3 Notes: 1 1. Contact factory for more information on additional product offerings. 2. All characteristics as measured at 25C 3. ESD PRECAUTIONS MUST BE USED WHEN HANDLING. 4. The RR110 may be operated at lower currents to reduce power consumption, or at higher currents for greater voltage output, as long as the limits noted in the electrical characteristics are not exceeded. 2 MAGNETIC SENSITIVITY TRANSFER CURVE The magnetic sensitivity transfer curve illustrates the characteristic behavior of an analog TMR sensor's resistance change as the strength of an applied magnetic field changes. The magnet approach curve (red line) shows the change in resistance as the strength of an applied magnetic field increases. The magnet recede curve (blue dashed line) shows the change in resistance as the strength of an applied magnetic field decreases. Alternatively, you can think of the resistance going down the red slope as a magnet approaches the sensor, and going up the blue dashed slope as the magnet moves further away from the sensor. 70 Typical Sensor Resistance (k) 65 SENSOR POLARITY DIAGRAM 60 S N 55 HYSTERESIS 50 3 45 40 35 -150 1 -100 -50 0 50 100 2 150 Field Strength (G) N-Pole Magnet Approaching Sensor N-Pole Magnet Receding from Sensor rev. 11062017 COTO TECHNOLOGY | tel: (401) 943.2686 | cotorelay.com 3 REDROCKTM RR120 TMR DIGITAL SENSOR RedRockTM RR120 TMR Digital Sensor The RedRock 120 Series is an integrated digital magnetic sensor ideal for use in medical, industrial, automotive and consumer switching applications. Based on patented Tunneling Magnetoresistance (TMR) technology with CMOS process, the RR120 Series can function even in low magnetic fields with large air gaps. The RR120 Series provides high sensitivity with low power consumption in a small footprint package. TM Features u High sensitivity u Stable temperature performance u Resistant to mechanical stress u Low power consumption u High frequency performance u Logic output for design flexibility u REACH Compliant u RoHS Compliant IDEAL APPLICATIONS Door or lid closure detection Smart phones, tablets and laptops u Bare glass reed switch replacement u Motor controllers u Proximity detection u Open-close detection u Water, electric and gas meters u Fluid level detection u "Wake-Up" functionality u u DIMENSIONS in Millimeters (Inches) Top View End View End View Top View 2.90 0.15 (0.114 .006) 2.9 (0.114) 1.4 1.45 0.20 (0.057 .008) (0.057) 1.2 1.20 0.20 (0.047) (.047 .008) 0.1 (0.004) 3 0.10 0.10 (.004 .004) 2.80 0.25 (.110 .010) 1.60 0.15 (0.063 .006) 2.8 1.6 (0.063) (0.110) 0.44 0.15 (.017 .006) 0.4 (0.017) 0.6 (0.024) 0.6 (0.024) Side View Side View 1 2 0.40 0.15 (.016 .006) 0.4 (0.075) (0.016) 1.90 1.90 (0.075) Vdd 1 2 1 3 VOUT 1.10 0.15 1.1 (.043 .006) (0.043) 2 GND Ordering Information Part Number RR120-A X 1 X-X 0 Package Model Number 0 - SOT-23 Magnetic Sensitivity (G) Special Feature A - Op = 30 Rel = 15 0 - N/A Temp Rating (C) 1 - Industrial (-40- +85) Magnetic Polarity Power Rating 1 = Unipolar 1 - Default Value rev. 11062017 4 COTO TECHNOLOGY | tel: (401) 943.2686 | cotorelay.com REDROCKTM RR120 TMR DIGITAL SENSOR REDROCKTM RR120 Parameters OPERATING CHARACTERISTICS1 Units Min Typ Max Operate Sensitivity G 20 30 40 Release Sensitivity G 8 15 30 Hysteresis G 15 Operate Time ms 30 Release Time ms 30 G/C -0.07 Temperature Coefficient of Operate Sensitivity ELECTRICAL CHARACTERISTICS 1 Supply Voltage (Vdd) V 3.0 3.6 nA 350 400 Output Voltage (High) (Vouth) V 2.7 V Output Voltage (Low) (Voutl) V 0.2 V Average Current Drain 2 2 2.7 ABSOLUTE ENVIRONMENTAL RATINGS Operating Temperature: Industrial C -40 -55 85 Storage Temperature C Soldering Temperature (3 cycles, 1 min.) C 260 Operating Magnetic Field G 100 ESD Level (HBM) V 4000 MAGNETIC FIELD vs. OUTPUT STATUS Notes: 60 MAGNETIC FIELD (GAUSS) SENSOR POLARITY DIAGRAM S 50 40 20 HYSTERESIS BOP-BRP = 50% BOP Output OFF 10 VOUT 5.0 3 OUTPUT STATUS (VOLTS) 4.0 BRP = 15G 3.0 Switch to Low N 2 BOP = 30G 30 Switch to High 1. All characteristics as measured at 25C 2. See "Magnetic Field vs. Output Status" (at right) for more details. 1 150 Characteristic Output ON BRP Conditions Output North Pole B > BOP Low Null or Weak Magnetic Field B < BRP High South Pole B > BOP High BOP OUTPUT HIGH = OFF B+ BHYS 2.0 1.0 OUTPUT LOW = ON RR120 DIGITAL FUNCTION BLOCK DIAGRAM 0.0 VDD CURRENT SOURCE TIME MTJ SENSOR LOCATION DIAGRAM 3 DUTY CYCLE CONTROL A TMR SENSOR Bop /Brp Comparators VREF OUTPUT LOGIC & LATCH DIGITAL OUTPUT C 1 A Nominal Dimensions 1.60 B 2.90 C 0.80 D 1.45 Symbols D 2 B rev. 11062017 COTO TECHNOLOGYGND | tel: (401) 943.2686 | cotorelay.com 5 REDROCKTM RR130 TMR DIGITAL SWITCH RedRockTM RR130 TMR Digital Switch The RedRock 130 Series is an integrated digital magnetic switch ideal for use in medical, industrial, automotive and consumer switching applications. It is based on patented Tunneling Magnetoresistance (TMR) technology with integrated CMOS process. The RR130 Series can operate in low magnetic fields with large air gaps. The open drain output can interface with a system voltage up to 3.9V for added design flexibility. The RR130 Series provides high sensitivity with low power consumption in a small footprint package. TM Features u High sensitivity u Stable temperature performance u Resistant to mechanical stress u Low power consumption u High frequency performance u Open drain MOSFET for design flexibility u REACH Compliant u RoHS Compliant IDEAL APPLICATIONS Door or lid closure detection Smart phones, tablets and laptops u Bare glass reed switch replacement u Motor controllers u Proximity detection u Power switch or open-close detection u Water, electric and gas meters u Fluid level detection u "Wake-Up" functionality u u DIMENSIONS in Millimeters (Inches) Top View End View End View Top View 2.90 0.15 (0.114 .006) 2.9 (0.114) 1.4 1.45 0.20 (0.057 .008) (0.057) 1.2 1.20 0.20 (0.047) (.047 .008) 0.1 (0.004) 3 0.10 0.10 (.004 .004) 2.80 0.25 (.110 .010) 1.60 0.15 (0.063 .006) 2.8 1.6 (0.063) (0.110) 0.44 0.15 (.017 .006) 0.4 (0.017) 0.6 (0.024) 0.6 (0.024) Side View Side View 1 2 0.40 0.15 (.016 .006) 0.4 (0.075) (0.016) 1.90 1.90 (0.075) Vdd 1 2 1 3 VOUT 1.10 0.15 1.1 (.043 .006) (0.043) 2 GND Ordering Information Part Number RR130-A X 1 X-X 0 Package Model Number 0 - SOT-23 Magnetic Sensitivity (G) Special Feature A - Op = 30 Rel = 15 0 - N/A Temp Rating (C) 1 - Industrial (-40- +85) Magnetic Polarity 1 = Unipolar Power Rating 1 - Default Value rev. 11062017 6 COTO TECHNOLOGY | tel: (401) 943.2686 | cotorelay.com REDROCKTM RR130 TMR DIGITAL SWITCH REDROCKTM RR130 Parameters OPERATING CHARACTERISTICS1 Units Min Typ Max Operate Sensitivity G 20 30 40 Release Sensitivity G 8 15 30 Hysteresis G 15 Operate Time ms 30 Release Time ms 30 G/C -0.05 Temperature Coefficient of Operate Sensitivity ELECTRICAL CHARACTERISTICS 1 Supply Voltage2 (Vdd) V 2.7 3.0 3.6 Average Current Drain nA System Voltage2 (Vsys) V 350 Vdd + 0.3 400 System Current2 (Isys) mA 15 ABSOLUTE ENVIRONMENTAL RATINGS Operating Temperature: Industrial C -40 85 Storage Temperature C -55 150 Soldering Temperature C Max. Exposed Magnetic Field G 100 ESD Level (HBM) V 4000 260 MAGNETIC FIELD (GAUSS) 1. All characteristics as measured at 25C 2. See "Application Circuit" for more information. APPLICATION CIRCUIT SENSOR POLARITY DIAGRAM Vdd VSYS 2 RR130 BOP = 30G 30 20 3 GND Output OFF BRP = 15G Output ON 6.0 BRP B > BOP Low Null or Weak Magnetic Field B < BRP High South Pole B > BOP High BOP OUTPUT HIGH = OFF B+ BHYS 4.0 Conditions Output OUTPUT LOW = ON TIME RR130 DIGITAL FUNCTION BLOCK DIAGRAM A C 1 A Nominal Dimensions 1.60 B 2.90 C 0.80 D 1.45 Symbols D VDD CURRENT SOURCE DUTY CYCLE CONTROL 2 TMR SENSOR B 2 North Pole 0.0 3 N 1 Characteristic 2.0 MTJ SENSOR LOCATION DIAGRAM Nominal Dimensions 1.60 Symbols A C Nominal Dimensions 0.80 B 2.90 D 1.45 Symbols HYSTERESIS BOP-BRP = 50% BOP 10 8.0 VOUT S 3 40 10.0 OUTPUT STATUS (VOLTS) 0.1mF 50 VOUT RPULLUP 1 MAGNETIC FIELD vs. OUTPUT STATUS Switch to Low RR130 Open Drain Output Application Circuit With the open drain output, the system voltage can range up to Vdd + 0.3V. Please keep in mind the supply voltage to the RR130 must remain at 3.6V. A decoupling capacitor between the supply voltage and ground is required with placement close to the magnetic sensor. A typical capacitor value of 0.1 mF will suffice. 60 Switch to High Notes: COTO TECHNOLOGY | tel: (401) 943.2686 | cotorelay.com Bop /Brp Comparators VREF GND OUTPUT LOGIC & LATCH DIGITAL OUTPUT rev. 11062017 7 TMR TECHNICAL & APPLICATIONS INFORMATION TMR SENSOR & SWITCH PACKAGING Standard packaging is Tape & Reel containing 3,000 pieces. Below is a chart of Tape & Reel dimensions for standard TMR products. 4.0 0.01 O1.5 +0.1 -0 2.0 0.05 8.0 0.2 1.75 0.1 3.5 0.05 2.75 4.0 0.01 see Fig. B below see Fig. A below O1.1 0.1 0.20 0.05 Ao3.3 0.1 2.55 0.1 Bo3.2 0.1 .3 R0 0.2 0.4 0.6 0.8 0.8 0.6 0.4 0.2 O178.00.05 5 4 3 2 1 00.75mm O60.00.05 1.5 O60.00.05 O178.00.05 00.95mm 1 2 .3 .3 Ko1.47 0.1 Fig. B 1.5 4 5 MAX. R0 R0 0.6 Fig. A 3 R 1.1 0.1 5 MAX.(2X) 5 MAX.(2X) 3 0. 5 MAX.(2X) 2.20.05 +1.5 10.6 9.0 -0 EIAJ +1.5 O13.50.05 9.0 -0 rev. 11062017 8 COTO TECHNOLOGY | tel: (401) 943.2686 | cotorelay.com TMR TECHNICAL & APPLICATIONS INFORMATION SUGGESTED SOLDER PAD LAYOUT SUGGESTED REFLOW PROFILE 3X 0.030 60 SECONDS MAXIMUM 15-25 s Typical Cool Down 2-4 C/s Temperature (C) 0.062 260 C Max (Lead-Free) 240-250 C Max Range (Leaded) 250 3X 0.047 0.124 200 150 Soak 100 Preheat at 2-3 C/s 50 0 50 50 150 200 250 Time (s) 0.037 0.075 (Units in mm) Notes: 1. Fully compatible with standard no-lead solder profile, 260 C for 1 minute max (3 cycles max) 2. Profile shown as example. Users are advised to develop their own board-level profile 3. Temperature tolerance: +0 C, as measured at any point on the package or leads 4. MSL rating of 1 compatible with J-STD-020 or equivalent. APPLICATION CIRCUITS Vdd Vdd Constant Current R1 VOUT VOUT GND VSYS 1 OR RR110 Vdd Vdd RR110 0.1mF RR120 RPULLUP 1 2 0.1mF VOUT RR130 2 VOUT 3 3 GND GND GND RR110 Magnetoresistance Application Circuit The RR110 can be configured with a constant voltage source and a fixed resistor to create a voltage divider circuit. Alternatively, a constant current source eliminates the need for a fixed resistor. RR120 Digital Output Application Circuit The output voltage on the RR120 is active low, meaning that while a sufficiently strong magnetic field is present, the output voltage is low. The output voltage can be connected to a digital I/O pin on a microcontroller. A decoupling capacitor between the supply voltage and ground is required with placement close to the magnetic sensor. A typical capacitor value of 0.1 mF will suffice. RR130 Open Drain Output Application Circuit With the open drain output, the system voltage can range up to Vdd + 0.3V. Please keep in mind the supply voltage to the RR130 must remain at 3.6V. A decoupling capacitor between the supply voltage and ground is required with placement close to the magnetic sensor. A typical capacitor value of 0.1 mF will suffice. rev. 11062017 COTO TECHNOLOGY | tel: (401) 943.2686 | cotorelay.com 9 TMR TECHNICAL & APPLICATIONS INFORMATION GLOSSARY OF TERMS Hysteresis: Hysteresis refers to the difference between two points of interest for a particular device. For digital sensors and switches, it represents the difference between the operate sensitivity and the release sensitivity, expressed either as an absolute value (BOP - BRP) or the % difference (BOP - BRP)/BOP. For an analog sensor, the hysteresis is the difference between the "magnet approach curve" and the "magnet recede curve." Magnet Approach Curve: The magnet approach curve is the characteristic change in resistance of an analog TMR sensor as an applied magnetic field approaches the sensor, typically plotted as a function of the magnetic field strength. Operate Sensitivity: The operate sensitivity defines the upper limit of the strength of an applied magnetic field that a digital TMR sensor or switch must operate. Operate Time: The operate time is the difference, in time, between the application of a magnetic field and the output response of the device. In an analog sensor, the response is a change in output resistance. In a digital sensor, the response is a change in state of the electrical output. Release Sensitivity: The release sensitivity defines the lower limit of the strength of an applied magnetic field that a digital TMR sensor or switch must release. Magnet Recede Curve: The magnet recede curve is the characteristic change in resistance of an analog TMR sensor as an applied Release Time: The release time is the difference, in time, between magnetic field recedes from the sensor, typically plotted as a function the removal of an applied magnetic field and the output response of of the magnetic field strength. the device. In an analog sensor, the response is a change in output resistance. In a digital sensor, the response is a change in state of the Magnetoresistance: Magnetoresistance is a phenomenon electrical output. wherein the electrical resistance of certain materials changes when exposed to an externally-applied magnetic field. Tunnel Magnetoresistance (TMR): Tunnel Magnetoresistance is the magnetoresistive effect that occurs in a magnetic tunnel Magnetic Transfer Curve: The magnetic transfer curve defines junction. the characteristic behavior of an analog TMR sensor by combining both the magnet approach curve and the magnet receive curve together. Magnetic Tunnel Junction: A magnetic tunnel junction is a thin film structure consisting of two magnetic layers separated by a thin insulator. Because the insulating layer is thin enough (typically a few nanometers), electrons can tunnel from one magnetic layer into the other. rev. 11062017 10 COTO TECHNOLOGY | tel: (401) 943.2686 | cotorelay.com TMR TECHNICAL & APPLICATIONS INFORMATION MAGNETIC SENSITIVITY MAPS Magnetic sensitivity maps show the operate and release loci in threedimensional space when a magnet is presented to a magnetically operated switch or sensor. The absolute operate and release distances between the magnet and the sensor will vary depending on the sensitivity of the switch and the strength of the magnet. However, the shape and direction of the operate loci stay relatively constant except for cases where the magnet is physically much larger than the sensor. These plots were generated using a 2mm^3 cubic shaped NdFeB N52 magnet with its North pole presented to the ground pin and a South pole presented to the opposite side. RR120/RR130 Magnetic Sensitivity Pattern, perspective view RR120/RR130 Magnetic Sensitivity Pattern, YZ plane * Operate Points Release Points RR120/RR130 Magnetic Sensitivity Pattern, XY plane RR120/RR130 Magnetic Sensitivity Pattern, XZ plane rev. 11062017 COTO TECHNOLOGY | tel: (401) 943.2686 | cotorelay.com 11 66 Whitecap Drive North Kingstown, RI 02852 401-943-2686 * Fax: 401-942-0920 www.cotorelay.com * redrock@cotorelay.com rev. 11062017 Copyright Coto Technology 2017. All rights reserved.