ACS711ELCTR-12AB-T

{
  "schema_version": 1,
  "type": "component",
  "slug": "acs711elctr-12ab-t",
  "title": "ACS711ELCTR-12AB-T",
  "brief": "Allegro MicroSystems LLC Current Sensors, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "sensor",
    "acs711elctr-12ab-t"
  ],
  "component": {
    "mpn": "ACS711ELCTR-12AB-T",
    "manufacturer": "Allegro MicroSystems LLC",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Sensor",
    "subcategory": "Current Sensors",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/dad4347fe975493a99bead71529d17fb.pdf",
    "parts": {
      "symbol": "acs711elctr-12ab-t.kicad_sym",
      "footprint": "acs711elctr-12ab-t.kicad_mod",
      "model_3d": "acs711elctr-12ab-t-etched.glb",
      "model_3d_plain": "acs711elctr-12ab-t.glb",
      "model_3d_step": "acs711elctr-12ab-t-etched.step",
      "model_3d_step_plain": "acs711elctr-12ab-t.step",
      "lbr": "acs711elctr-12ab-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C114267"
    },
    "pins": [
      {
        "number": "1",
        "name": "IP+",
        "type": "passive",
        "description": "Terminal for current being sensed (positive side of the internal copper conduction path). Pins 1 and 2 are fused internally and must be tied together on the PCB. Working voltage between the IP+/IP- side and IC side is rated to 100 VAC peak or VDC (basic isolation)."
      },
      {
        "number": "2",
        "name": "IP+",
        "type": "passive",
        "description": "Terminal for current being sensed (positive side of the internal copper conduction path). Fused internally with pin 1; tie both externally to carry the primary current."
      },
      {
        "number": "3",
        "name": "IP-",
        "type": "passive",
        "description": "Terminal for current being sensed (negative/return side of the internal copper conduction path). Fused internally with pin 4; tie both externally. Primary conductor resistance is ~1.2 mΩ for the LC package."
      },
      {
        "number": "4",
        "name": "IP-",
        "type": "passive",
        "description": "Terminal for current being sensed (negative/return side of the internal copper conduction path). Fused internally with pin 3; tie both externally."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Signal ground terminal for the IC (isolated from the IP+/IP- current path)."
      },
      {
        "number": "6",
        "name": "FAULT",
        "type": "output",
        "description": "Overcurrent fault output, active low, open-drain style requiring an external pull-up (RPU ≥ 1 kΩ, typ. to VCC). Trips and latches when |IP| exceeds ±100% of the full-scale range (±12.5 A for the 12AB variant); response time ~1.3 µs. Cleared only by cycling VCC below VCCFR (200 mV max) for at least tCCFR (100 µs)."
      },
      {
        "number": "7",
        "name": "VIOUT",
        "type": "output",
        "description": "Analog output voltage, ratiometric to VCC, with positive slope proportional to current flowing from IP+ to IP-. Quiescent output is VCC/2 at IP=0 A; sensitivity is 110 mV/A (typ) for the 12AB variant. Drives up to CLOAD=1 nF with RLOAD ≥ 15 kΩ."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Device power supply terminal. Operates from 3 to 5.5 V single supply (3.3 V nominal); ICC ~4 mA typ, 5.5 mA max. Bypass with 0.1 µF (CBYP) to GND close to the pin."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/dad4347fe975493a99bead71529d17fb.pdf",
        "pages": 18,
        "sha256": "6fb6310c420b9503",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "acs711elctr-12ab-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",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "acs711elctr-12ab-t-etched.step",
        "role": "eda",
        "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": "be705407caa08faef3661bff672873a40450c8bbc7c3fbeb65a828e849d524c3",
        "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": "Sensor",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "acs711elctr-12ab-t"
  ],
  "discovery_pitch": "ACS711ELCTR-12AB-T (Allegro MicroSystems LLC) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "acs711elctr-12ab-t.kicad_sym",
    "acs711elctr-12ab-t.kicad_mod",
    "acs711elctr-12ab-t.glb",
    "acs711elctr-12ab-t.step",
    "acs711elctr-12ab-t-etched.step",
    "acs711elctr-12ab-t.lbr",
    "docs/hero.png",
    "docs/acs711elctr-12ab-t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T15:29:38.394Z"
}