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ACS37002LMABTR-066B3

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Allegro MicroSystems, LLC Current Sensors, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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ACS37002LMABTR-066B3

Allegro MicroSystems, LLC · Current Sensors · SOIC-16-300mil

ACS37002LMABTR-066B3 from Allegro MicroSystems, LLC, in a SOIC-16-300mil. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 IP+ passive Terminal for the current being sensed (IP+ side), fused internally.
2 IP+ passive Terminal for the current being sensed (IP+ side), fused internally.
3 IP+ passive Terminal for the current being sensed (IP+ side), fused internally.
4 IP+ passive Terminal for the current being sensed (IP+ side), fused internally.
5 IP- passive Terminal for the current being sensed (IP- side), fused internally.
6 IP- passive Terminal for the current being sensed (IP- side), fused internally.
7 IP- passive Terminal for the current being sensed (IP- side), fused internally.
8 IP- passive Terminal for the current being sensed (IP- side), fused internally.
9 OCF output Overcurrent fault output, open-drain.
10 VCC power_in Device power supply terminal.
11 VOC input Overcurrent fault operation point input used to set the fault trip point.
12 VIOUT output Analog output representing the current flowing through IP.
13 VREF power_in Zero current voltage reference.
14 GAIN_SEL_1 input Gain selection bit 1.
15 GND power_in Device ground terminal.
16 GAIN_SEL_0 input Gain selection bit 0.

Key specifications

Parameter Value
Manufacturer Allegro MicroSystems, LLC
Package SOIC-16-300mil
Category Magnetic Sensors
Pins 16

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Forward Supply Voltage VFCC 6.5 V 4
Reverse Supply Voltage VRCC -0.5 V 4
Reverse Output Voltage VRIOUT -0.5 V Applies to VIOUT, VOCF, and VREF 4
Reverse Input Voltage VRI -0.5 V Applies to GAIN_SEL0, GAIN_SEL1, and VOC 4
Operating Ambient Temperature TA -40 150 °C 4
Storage Temperature Tstg -65 165 °C 4
Maximum Junction Temperature TJ(max) 165 °C 4
Supply Voltage (3.3 V device) VCC 3.15 3.3 3.6 V 3.3 V devices only 8
Supply Current ICC 12 15 mA No load on VIOUT or VREF; VCC = 3.3 V 8
Output Resistive Load RL 10 kΩ VIOUT to GND, VIOUT to VCC 8
Output Capacitive Load CL 1 6 nF VIOUT to GND 8
Reference Resistive Load RVREF 10 kΩ VREF to GND (recommended to supply VOC); VREF to VCC 8
Reference Capacitive Load CVREF 6 nF VREF to GND 8
Fault Pull-Up Resistance RPU 4.7 500 kΩ 8
Power-On Reset Voltage (rising) VPOR(H) 2.6 2.9 3.1 V VCC rising 8
Power-On Reset Voltage (falling) VPOR(L) 2.2 2.5 2.8 V VCC falling 8
Power-On Time tPOD 100 µs Time from VCC rising ≥ VPOR(H) after a POR event until power-on; VREF, OCF, VIOUT 8
Overvoltage Detection Threshold (rising) VOVD(H) 6.1 6.3 6.8 V TA = 25°C, VCC rising 8
Overvoltage Detection Threshold (falling) VOVD(L) 5.6 5.8 6.1 V TA = 25°C, VCC falling 8
Rise Time tR 0.7 2.5 µs TA = 25°C, CL = 6 nF 9
Propagation Delay tpd 0.7 2 µs TA = 25°C, CL = 6 nF 9
Output Saturation Voltage (low) VSAT(L) 0.15 V RL = 10 kΩ to VCC 9
Output Voltage Operating Range (3.3 V linear) VOOR 0.3 3 V 3.3 V linear operating range 9
Response Time tRESPONSE 1.1 2.5 µs TA = 25°C, CL = 6 nF 9
Nonlinearity ELIN -0.75 0.75 % 9
Power Supply Offset Error VOE(PS) -10 10 mV Bidirectional; VCC @ VCC(MIN) or VCC(MAX) 9
Power Supply Sensitivity Error ESENS(PS) -1.5 1.5 % VCC @ VCC(MIN) or VCC(MAX) 9
Zero Current Reference Voltage (bidirectional, 3.3 V) VREF(BI) 1.64 1.65 1.66 V Bidirectional; VCC = 3.3 V 10
OCF On Voltage VFAULT-ON 0.07 0.4 V RPU = 4.7 kΩ, under fault condition 10
OCF Sink Current (fault assertion) IOCF(SNK) 0.01 1.1 mA Fault Assertion 10
VOC Operating Voltage Range (3.3 V) VVOC 0.33 1.32 V VCC = 3.3 V 10
Fault Error EOCF -10 10 %IOCF-OP 10
OCF Hold Time tOCF-HOLD 0 0 5 ms Minimum duration of FAULT assertion 10
Gain Select Logic Input Voltage (high, 3.3 V) VH(SEL) 2.25 V VCC = 3.3 V 10
Gain Select Logic Input Voltage (low) VL(SEL) 0.5 V 10
Gain Select Leakage Current ISEL(SNK) -10 10 µA 10
Current Sensing Range (Gain Sel 00) IPR -66.7 66.7 A Gain Sel 00 16
Current Sensing Range (Gain Sel 01) IPR -80 80 A Gain Sel 01 16
Current Sensing Range (Gain Sel 10) IPR -100 100 A Gain Sel 10 16
Current Sensing Range (Gain Sel 11) IPR -133.3 133.3 A Gain Sel 11 16
Overcurrent Fault Operating Range IOCF-OR 50 100 200 %FS Typ. = factory-programmed default 16
Total Error ETOT -1.75 1.75 % IP = IPR(max) 16
Sensitivity Error ESENS -1.5 1.5 % IP = IPR(max), TA = 25°C to 150°C or -40°C to 25°C 16
Zero Current Reference Error (25°C to 150°C) VRE -10 10 mV VREFactual, VREFideal, IP = 0 A, TA = 25°C to 150°C 16
Zero Current Reference Error (-40°C to 25°C) VRE -10 10 mV VREFactual, VREFideal, IP = 0 A, TA = -40°C to 25°C 16
Offset Error (25°C to 150°C) VOE -8 8 mV VIOUT(Q), VREF, IP = 0 A, TA = 25°C to 150°C 16
Offset Error (-40°C to 25°C) VOE -8 8 mV VIOUT(Q), VREF, IP = 0 A, TA = -40°C to 25°C 16
QVO Error (25°C to 150°C) VQE -10 10 mV VIOUT(Q), IP = 0 A, TA = 25°C to 150°C 16
QVO Error (-40°C to 25°C) VQE -10 10 mV VIOUT(Q), IP = 0 A, TA = -40°C to 25°C 16
Total Error Including Lifetime Drift ETOT_LTD -3.6 3.6 % IP = IPR(max) 16
Sensitivity Error Including Lifetime Drift ESENS_LTD -3.4 3.4 % IP = IPR(max), TA = 25°C to 150°C or -40°C to 25°C 16
Zero Current Reference Error Incl. Lifetime Drift (25°C to 150°C) VRE_LTD -10 10 mV VREFactual, VREFideal, IP = 0 A, TA = 25°C to 150°C 16
Zero Current Reference Error Incl. Lifetime Drift (-40°C to 25°C) VRE_LTD -10 10 mV VREFactual, VREFideal, IP = 0 A, TA = -40°C to 25°C 16
Offset Error Including Lifetime Drift (25°C to 150°C) VOE_LTD -10 10 mV VIOUT(Q), VREF, IP = 0 A, TA = 25°C to 150°C 16
Offset Error Including Lifetime Drift (-40°C to 25°C) VOE_LTD -10 10 mV VIOUT(Q), VREF, IP = 0 A, TA = -40°C to 25°C 16
QVO Error Including Lifetime Drift (25°C to 150°C) VQE_LTD -14 14 mV VIOUT(Q), IP = 0 A, TA = 25°C to 150°C 16
QVO Error Including Lifetime Drift (-40°C to 25°C) VQE_LTD -10 10 mV VIOUT(Q), IP = 0 A, TA = -40°C to 25°C 16
Package Thermal Resistance (Junction to Ambient, MA) RθJA 20 °C/W Mounted on the standard MA/LA Current Sensor Evaluation Board (ACSEVB-MA16-LA16) 4
Package Thermal Resistance (Junction to Case, MA) RθJC 14 °C/W Simulated per the methods in JESD51-1 4
Package Thermal Resistance (Junction to Board, MA) RθJB 14 °C/W Simulated per the methods in JESD51-8 4

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts tin Devices are RoHS compliant and lead (Pb) free with 100% matte-tin-platted leadframes. 1

CAD (KiCad official)

  • Symbol: ACS37002LMABTR-066B3
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16-300mil (KiCad packages3D, STEP)
  • 3D model files: acs37002lmabtr-066b3-etched.step / acs37002lmabtr-066b3-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); acs37002lmabtr-066b3.step / acs37002lmabtr-066b3.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Allegro MicroSystems, LLC datasheet (41 pp, sha256 98187152745e0dfd, retrieved 2026-10-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF