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ACS722LLCTR-40AB-T

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Allegro MicroSystems, LLC Current Sensors, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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ACS722LLCTR-40AB-T

Allegro MicroSystems, LLC · Current Sensors · SOIC-8

ACS722LLCTR-40AB-T from Allegro MicroSystems, LLC, in a SOIC-8. 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 primary current being sensed, fused internally; current flowing from pins 1 and 2 to pins 3 and 4 produces a positive output slope.
2 IP+ passive Terminal for the primary current being sensed, fused internally; current flowing from pins 1 and 2 to pins 3 and 4 produces a positive output slope.
3 IP- passive Terminal for the primary current being sensed, fused internally; the return end of the 0.65 mΩ primary conductor path.
4 IP- passive Terminal for the primary current being sensed, fused internally; the return end of the 0.65 mΩ primary conductor path.
5 GND power_in Signal ground terminal, electrically isolated from the primary conductor path (pins 1 to 4).
6 BW_SEL input Terminal for selecting the 20 kHz or 80 kHz bandwidth; grounding it selects the high bandwidth (80 kHz) mode.
7 VIOUT output Analog output signal that changes proportionally with the bidirectional or unidirectional primary sensed current.
8 VCC power_in Device power supply terminal, specified for 3 to 3.6 V single supply operation (VCC 3 to 3.6 V, typ 3.3 V).

Key specifications

Parameter Value
Manufacturer Allegro MicroSystems, LLC
Package SOIC-8
Category Sensors
Pins 8

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 copper primary copper conduction path (from pins 1 and 2, to pins 3 1

CAD (KiCad official)

  • Symbol: ACS722LLCTR-40AB-T
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: acs722llctr-40ab-t-etched.step / acs722llctr-40ab-t-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); acs722llctr-40ab-t.step / acs722llctr-40ab-t.glb are the bare package body.

Provenance

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

  • Datasheet: Allegro MicroSystems, LLC datasheet (23 pp, sha256 a3574a09b92a080b, retrieved 2026-10-28, 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