A3909GLNTR-T

{
  "slug": "a3909glntr-t",
  "version": "0.1.0",
  "type": "component",
  "description": "Allegro MicroSystems LLC Stepper Motor Driver, SSOP-10-150mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "motor driver ics",
    "a3909glntr-t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "a3909glntr-t.kicad_sym",
    "a3909glntr-t.kicad_mod",
    "a3909glntr-t.glb",
    "a3909glntr-t.step",
    "a3909glntr-t.lbr",
    "docs/hero.png",
    "docs/a3909glntr-t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "a3909glntr-t-hero.glb",
    "a3909glntr-t-hero.overlay.json",
    "a3909glntr-t-etched.glb"
  ],
  "component": {
    "mpn": "A3909GLNTR-T",
    "manufacturer": "Allegro MicroSystems LLC",
    "package": "SSOP-10-150mil",
    "pin_count": 10,
    "category": "Motor Driver ICs",
    "subcategory": "Stepper Motor Driver",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588931118578352128",
    "parts": {
      "symbol": "a3909glntr-t.kicad_sym",
      "footprint": "a3909glntr-t.kicad_mod",
      "model_3d": "a3909glntr-t-hero.glb",
      "model_3d_plain": "a3909glntr-t-etched.glb",
      "model_3d_step": "a3909glntr-t-etched.step",
      "model_3d_step_plain": "a3909glntr-t.step",
      "lbr": "a3909glntr-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C2653462"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T15:07:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN1",
        "type": "input",
        "description": "Logic input for the OUT1/OUT2 bridge with VIH minimum 2 V, VIL maximum 0.8 V, 300 mV typical hysteresis, and an internal 50 kΩ pull-down."
      },
      {
        "number": "2",
        "name": "IN2",
        "type": "input",
        "description": "Logic input for the OUT1/OUT2 bridge with VIH minimum 2 V, VIL maximum 0.8 V, 300 mV typical hysteresis, and an internal 50 kΩ pull-down."
      },
      {
        "number": "3",
        "name": "VBB",
        "type": "power_in",
        "description": "Motor supply input with an operating range of 4 to 18 V and an absolute maximum of 18 V, and the internal UVLO threshold is 3.6 V typical on a rising supply."
      },
      {
        "number": "4",
        "name": "IN3",
        "type": "input",
        "description": "Logic input for the OUT3/OUT4 bridge with VIH minimum 2 V, VIL maximum 0.8 V, 300 mV typical hysteresis, and an internal 50 kΩ pull-down."
      },
      {
        "number": "5",
        "name": "IN4",
        "type": "input",
        "description": "Logic input for the OUT3/OUT4 bridge with VIH minimum 2 V, VIL maximum 0.8 V, 300 mV typical hysteresis, and an internal 50 kΩ pull-down."
      },
      {
        "number": "6",
        "name": "OUT4",
        "type": "output",
        "description": "Motor output terminal of bridge 2 with output voltage limited to -0.3 V to VBB + 1 V and output current up to 1 A per phase."
      },
      {
        "number": "7",
        "name": "OUT3",
        "type": "output",
        "description": "Motor output terminal of bridge 2 with output voltage limited to -0.3 V to VBB + 1 V and output current up to 1 A per phase."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground terminal of the device, which is the reference for the logic inputs and motor outputs."
      },
      {
        "number": "9",
        "name": "OUT2",
        "type": "output",
        "description": "Motor output terminal of bridge 1 with output voltage limited to -0.3 V to VBB + 1 V and output current up to 1 A per phase."
      },
      {
        "number": "10",
        "name": "OUT1",
        "type": "output",
        "description": "Motor output terminal of bridge 1 with output voltage limited to -0.3 V to VBB + 1 V and output current up to 1 A per phase."
      }
    ],
    "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 10-pin SSOP (LN) is the package matching the 'SSOP-10-150mil' hint, and the pinout is taken from; The selection guide on page 2 lists the SSOP part as 'A3909GLNx-T' (3000 pieces per 13-in. reel, 'co; The GND pin description is generic because the datasheet only lists it as 'Ground' with no specific "
        ],
        "pages_sent": 10,
        "cost_usd": 0.0406,
        "at": "2026-10-18T15:07:10"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588931118578352128",
        "pages": 10,
        "sha256": "8e1ceccc29a7168e",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 10,
        "described": 10,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "a3909glntr-t.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.1,
          4.9,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "67b52412e9c230c40c0bdcb2098b238633f27dfc65692a16abf3448995fbe697",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "a3909glntr-t-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.1,
          4.9,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "08f4cfccb32cc25da326854cbb3705181bfdba9b3e131ab9a2c6eb8a6c7f2f95",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}