A4952ELYTR-T

{
  "slug": "a4952elytr-t",
  "version": "0.1.0",
  "type": "component",
  "description": "Allegro MicroSystems, LLC Motor Driver ICs, MSOP-10-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "a4952elytr-t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "a4952elytr-t.kicad_sym",
    "a4952elytr-t.kicad_mod",
    "a4952elytr-t.glb",
    "a4952elytr-t.step",
    "a4952elytr-t.lbr",
    "docs/hero.png",
    "docs/a4952elytr-t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "a4952elytr-t-hero.glb",
    "a4952elytr-t-hero.overlay.json",
    "a4952elytr-t-etched.glb"
  ],
  "component": {
    "mpn": "A4952ELYTR-T",
    "manufacturer": "Allegro MicroSystems, LLC",
    "package": "MSOP-10-EP",
    "pin_count": 11,
    "category": "Power Management ICs",
    "subcategory": "Motor Driver ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/4b37e2d0a55620f7f2cc7f18f64d19dc.pdf",
    "parts": {
      "symbol": "a4952elytr-t.kicad_sym",
      "footprint": "a4952elytr-t.kicad_mod",
      "model_3d": "a4952elytr-t-hero.glb",
      "model_3d_plain": "a4952elytr-t-etched.glb",
      "model_3d_step": "a4952elytr-t-etched.step",
      "model_3d_step_plain": "a4952elytr-t.step",
      "lbr": "a4952elytr-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C2653530",
      "digikey": "620-1451-2-ND",
      "mouser": "250-A4952ELYTR-T"
    },
    "distributor_check": {
      "checked_at": "2026-11-02T17:17:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "620-1451-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "250-A4952ELYTR-T",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "FLTn",
        "type": "output",
        "description": "Open-drain active-low fault output that goes low when an overcurrent fault is detected, with VRST at most 0.5 V at IOUT = 1 mA and leakage at most 1 µA with no fault."
      },
      {
        "number": "2",
        "name": "RTRY",
        "type": "input",
        "description": "Retry input that selects the overcurrent response: tied to GND gives a 2-ms automatic retry, left open latches the fault, and VRTRY must be at most 200 mV when valid."
      },
      {
        "number": "3",
        "name": "IN2",
        "type": "input",
        "description": "Logic input 2 controlling the full bridge, with VIN(1) at least 2.0 V, VIN(0) at most 0.8 V and an absolute range of -0.3 to 6 V."
      },
      {
        "number": "4",
        "name": "IN1",
        "type": "input",
        "description": "Logic input 1 controlling the full bridge, with VIN(1) at least 2.0 V, VIN(0) at most 0.8 V and an absolute range of -0.3 to 6 V."
      },
      {
        "number": "5",
        "name": "VREF",
        "type": "power_in",
        "description": "Analog input that sets the current limit, with an operating range of 0 to 5 V and an absolute range of -0.3 to 6 V."
      },
      {
        "number": "6",
        "name": "VBB",
        "type": "power_in",
        "description": "Load supply voltage with an operating range of 8 to 40 V and an absolute maximum of 40 V; the UVLO enable threshold is 7.5 V typical."
      },
      {
        "number": "7",
        "name": "OUT1",
        "type": "output",
        "description": "DMOS full-bridge output 1, rated for motor outputs voltage of -2 to 42 V and output current of 2 A at 100% duty cycle."
      },
      {
        "number": "8",
        "name": "LSS",
        "type": "passive",
        "description": "Power return and sense resistor connection, where the sense voltage must stay within an absolute range of -0.5 to 0.5 V."
      },
      {
        "number": "9",
        "name": "OUT2",
        "type": "output",
        "description": "DMOS full-bridge output 2, rated for motor outputs voltage of -2 to 42 V and output current of 2 A at 100% duty cycle."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection for the device, where the copper ground plane under the exposed pad is recommended as the star ground point."
      },
      {
        "number": "11",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The exposed pad (PAD) is a thermal pad, not a numbered terminal; it is listed here as PAD because th"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0172,
        "at": "2026-11-02T17:17:30"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/4b37e2d0a55620f7f2cc7f18f64d19dc.pdf",
        "pages": 11,
        "sha256": "b39efad36b5f408e",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 11,
        "described": 11,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "a4952elytr-t.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "18605eed706df7bb9674107abe7aa36e0ba163a09c21a2cee6c75cfa291b7937",
        "checked": "2026-11-02",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "a4952elytr-t-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "78cc390f9e859323bebb609a97d71e457d5312c49093546a711a978f4704538d",
        "checked": "2026-11-02",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}