ACS723LLCTR-20AB-T

{
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  "type": "component",
  "slug": "acs723llctr-20ab-t",
  "title": "ACS723LLCTR-20AB-T",
  "brief": "Allegro MicroSystems LLC Current Sensors, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "magnetic sensors",
    "acs723llctr-20ab-t"
  ],
  "component": {
    "mpn": "ACS723LLCTR-20AB-T",
    "manufacturer": "Allegro MicroSystems LLC",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Magnetic Sensors",
    "subcategory": "Current Sensors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589849759474081792",
    "parts": {
      "symbol": "acs723llctr-20ab-t.kicad_sym",
      "footprint": "acs723llctr-20ab-t.kicad_mod",
      "model_3d": "acs723llctr-20ab-t-etched.glb",
      "model_3d_plain": "acs723llctr-20ab-t.glb",
      "model_3d_step": "acs723llctr-20ab-t-etched.step",
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      "lbr": "acs723llctr-20ab-t.lbr"
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    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "IP+",
        "type": "passive",
        "description": "Positive terminal of the internal primary copper current-sense conductor. Tied internally to pin 2. Sensed current I_P flows from IP+ (pins 1, 2) to IP− (pins 3, 4); rated for 65 A maximum continuous current at T_A = 25 °C."
      },
      {
        "number": "2",
        "name": "IP+",
        "type": "passive",
        "description": "Positive terminal of the internal primary copper current-sense conductor. Tied internally to pin 1. Both IP+ pins must be paralleled on the PCB to carry the primary sense current."
      },
      {
        "number": "3",
        "name": "IP-",
        "type": "passive",
        "description": "Negative/return terminal of the internal primary copper current-sense conductor. Tied internally to pin 4. Together with pin 4 forms the low-side of the isolated primary path."
      },
      {
        "number": "4",
        "name": "IP-",
        "type": "passive",
        "description": "Negative/return terminal of the internal primary copper current-sense conductor. Tied internally to pin 3."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Signal-side ground reference for the device. All decoupling and VIOUT/BW_SEL loads are referenced to this pin."
      },
      {
        "number": "6",
        "name": "BW_SEL",
        "type": "input",
        "description": "Bandwidth-select input. Leaving pin floating selects the 20 kHz low-noise output filter; tying to GND selects the 80 kHz high-bandwidth mode."
      },
      {
        "number": "7",
        "name": "VIOUT",
        "type": "output",
        "description": "Analog output voltage proportional to the primary sensed current I_P. For the -20AB-T (bidirectional ±20 A) variant, sensitivity is 100 mV/A typ. at VCC = 5 V and the quiescent output is nominally VCC/2 at I_P = 0 A. Absolute maximum V_IOUT = 25 V; reverse output rating −0.1 V."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Device supply pin. Operating range 4.5 V to 5.5 V (single supply); absolute maximum 6 V, reverse supply −0.1 V. Bypass with a 0.1 µF capacitor (C_BYPASS) to GND close to the pin."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589849759474081792",
        "pages": 24,
        "sha256": "e2fc184189eefa51",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "file": "acs723llctr-20ab-t.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
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        "checked": "2026-10-07",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Allegro MicroSystems LLC",
      "Package": "SOIC-8",
      "Category": "Magnetic Sensors",
      "Pins": "8"
    }
  },
  "variants": [
    {
      "mpn": "ACS723LLCTR-05AB-T",
      "kind": "unknown"
    },
    {
      "mpn": "ACS723LLCTR-10AB-T",
      "kind": "unknown"
    },
    {
      "mpn": "ACS723LLCTR-20AB-T",
      "kind": "packaging"
    },
    {
      "mpn": "ACS723LLCTR-40AB-T",
      "kind": "unknown"
    },
    {
      "mpn": "ACS723LLCTR-50AB-T",
      "kind": "unknown"
    },
    {
      "mpn": "ACS723LLCTR-10AU-T",
      "kind": "unknown"
    },
    {
      "mpn": "ACS723LLCTR-20AU-T",
      "kind": "unknown"
    },
    {
      "mpn": "ACS723LLCTR-40AU-T",
      "kind": "unknown"
    }
  ],
  "sections": [
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  "discovery_triggers": [
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  "discovery_pitch": "ACS723LLCTR-20AB-T (Allegro MicroSystems LLC) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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  "files": [
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    "README.md",
    "acs723llctr-20ab-t.kicad_sym",
    "acs723llctr-20ab-t.kicad_mod",
    "acs723llctr-20ab-t.glb",
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    "acs723llctr-20ab-t.lbr",
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  "visibility": {
    "public": true
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  "updated_at": "2026-09-24T15:30:36.255Z"
}