ACS724LLCTR-20AU-T

{
  "schema_version": 1,
  "type": "component",
  "slug": "acs724llctr-20au-t",
  "title": "ACS724LLCTR-20AU-T",
  "brief": "Allegro MicroSystems LLC Current Sensors, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "magnetic sensors",
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  "component": {
    "mpn": "ACS724LLCTR-20AU-T",
    "manufacturer": "Allegro MicroSystems LLC",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Magnetic Sensors",
    "subcategory": "Current Sensors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588912039633174528",
    "parts": {
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      "model_3d_plain": "acs724llctr-20au-t.glb",
      "model_3d_step": "acs724llctr-20au-t-etched.step",
      "model_3d_step_plain": "acs724llctr-20au-t.step",
      "lbr": "acs724llctr-20au-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C459329"
    },
    "pins": [
      {
        "number": "1",
        "name": "IP+",
        "type": "passive",
        "description": "Primary current path positive terminal; current flows through this terminal, internally fused, with 1.2 mΩ typical resistance."
      },
      {
        "number": "2",
        "name": "IP+",
        "type": "passive",
        "description": "Primary current path positive terminal; current flows through this terminal, internally fused, with 1.2 mΩ typical resistance."
      },
      {
        "number": "3",
        "name": "IP–",
        "type": "passive",
        "description": "Primary current path negative terminal; current flows through this terminal, internally fused, with 1.2 mΩ typical resistance."
      },
      {
        "number": "4",
        "name": "IP–",
        "type": "passive",
        "description": "Primary current path negative terminal; current flows through this terminal, internally fused, with 1.2 mΩ typical resistance."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Signal ground terminal; reference potential for the analog output signal VIOUT and sensor IC secondary side."
      },
      {
        "number": "6",
        "name": "FILTER",
        "type": "passive",
        "description": "External capacitor connection for bandwidth filtering; forms RC circuit with internal 1.8 kΩ resistance to optimize noise and resolution."
      },
      {
        "number": "7",
        "name": "VIOUT",
        "type": "output",
        "description": "Analog output signal proportional to primary sensed current in 0-20 A range; unidirectional output with quiescent voltage of 0.1 × VCC nominal (approximately 0.5 V at 5 V supply)."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Device power supply terminal; operates at 4.5-5.5 V nominal with typical supply current of 10-14 mA."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 33,
        "cost_usd": 0.2308,
        "at": "2026-09-17T16:59:11"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588912039633174528",
        "pages": 33,
        "sha256": "27366dfcae62c483",
        "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"
    },
    "models_3d": [
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        "file": "acs724llctr-20au-t.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "acs724llctr-20au-t-etched.step",
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        "sha256": "274a78e3365c8930ccf2dc2488147b4b05ac95719931d51180f48a6691c7b992",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Allegro MicroSystems LLC",
      "Package": "SOP-8",
      "Category": "Magnetic Sensors",
      "Pins": "8"
    }
  },
  "variants": [],
  "sections": [
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    "readme",
    "breadcrumbs",
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  "discovery_triggers": [
    "acs724llctr-20au-t"
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  "discovery_pitch": "ACS724LLCTR-20AU-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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    "docs/acs724llctr-20au-t-datasheet.pdf",
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  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T15:31:43.349Z"
}