main
Ray Set visibility: public 9bde41f 10d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "a3909glytr-t",
  "title": "A3909GLYTR-T",
  "brief": "Allegro MicroSystems, LLC Gate Drive ICs, MSOP-10-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "power management ics",
    "a3909glytr-t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "A3909GLYTR-T",
    "manufacturer": "Allegro MicroSystems, LLC",
    "package": "MSOP-10-EP",
    "pin_count": 11,
    "category": "Power Management ICs",
    "subcategory": "Gate Drive ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/68305c6f8893aef16b9c5d5e5794029c.pdf",
    "parts": {
      "symbol": "a3909glytr-t.kicad_sym",
      "footprint": "a3909glytr-t.kicad_mod",
      "model_3d": "a3909glytr-t-hero.glb",
      "model_3d_plain": "a3909glytr-t-etched.glb",
      "model_3d_step": "a3909glytr-t-etched.step",
      "model_3d_step_plain": "a3909glytr-t.step",
      "lbr": "a3909glytr-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C2649425",
      "digikey": "620-1499-2-ND",
      "mouser": "250-A3909GLYTR-T"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T06:27:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "620-1499-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "250-A3909GLYTR-T",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN1",
        "type": "input",
        "description": "Logic input controlling OUT1/OUT2; logic low is VIL ≤ 0.8 V, high is VIH ≥ 2 V, with a 50 kΩ internal pull-down."
      },
      {
        "number": "2",
        "name": "IN2",
        "type": "input",
        "description": "Logic input controlling OUT1/OUT2; logic low is VIL ≤ 0.8 V, high is VIH ≥ 2 V, with a 50 kΩ internal pull-down."
      },
      {
        "number": "3",
        "name": "VBB",
        "type": "power_in",
        "description": "Input supply for the load, operating range 4 to 18 V (absolute maximum 18 V)."
      },
      {
        "number": "4",
        "name": "IN3",
        "type": "input",
        "description": "Logic input controlling OUT3/OUT4; logic low is VIL ≤ 0.8 V, high is VIH ≥ 2 V, with a 50 kΩ internal pull-down."
      },
      {
        "number": "5",
        "name": "IN4",
        "type": "input",
        "description": "Logic input controlling OUT3/OUT4; logic low is VIL ≤ 0.8 V, high is VIH ≥ 2 V, with a 50 kΩ internal pull-down."
      },
      {
        "number": "6",
        "name": "OUT4",
        "type": "output",
        "description": "Motor terminal of the second full bridge, rated up to 1 A and -0.3 V to VBB + 1 V."
      },
      {
        "number": "7",
        "name": "OUT3",
        "type": "output",
        "description": "Motor terminal of the second full bridge, rated up to 1 A and -0.3 V to VBB + 1 V."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference."
      },
      {
        "number": "9",
        "name": "OUT2",
        "type": "output",
        "description": "Motor terminal of the first full bridge, rated up to 1 A and -0.3 V to VBB + 1 V."
      },
      {
        "number": "10",
        "name": "OUT1",
        "type": "output",
        "description": "Motor terminal of the first full bridge, rated up to 1 A and -0.3 V to VBB + 1 V."
      },
      {
        "number": "11",
        "name": "PAD",
        "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-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet does not say what the exposed pad should be connected to. It is typed passive and numb"
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        "pages_sent": 10,
        "cost_usd": 0.0773,
        "at": "2026-10-23T06:26:57"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/68305c6f8893aef16b9c5d5e5794029c.pdf",
        "pages": 10,
        "sha256": "8e1ceccc29a7168e",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 11,
        "described": 11,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "18605eed706df7bb9674107abe7aa36e0ba163a09c21a2cee6c75cfa291b7937",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "a3909glytr-t-etched.step",
        "role": "eda",
        "up": "Z",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "24d94603d01795a361490b6a00b76951a5800992caa1594daab38c4125a8a675",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Allegro MicroSystems, LLC",
      "Package": "MSOP-10-EP",
      "Category": "Power Management ICs",
      "Pins": "11"
    },
    "appearance": {
      "contacts": {
        "quote": "wave solder applications. Both packages are lead (Pb) free with 100% matte-tin leadframe plating.",
        "page": 1,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "8e1ceccc29a7168e8f87c5b2bd4e690c3fa362fe58c4eee8e65e362b0d4b6471"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "8e1ceccc29a7168e8f87c5b2bd4e690c3fa362fe58c4eee8e65e362b0d4b6471",
      "rows": [
        {
          "name": "VBB Voltage Range",
          "symbol": "VBB",
          "kind": "electrical",
          "unit": "V",
          "min": 4,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VBB Supply Current",
          "symbol": "IBB",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4,
          "max": 8,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VBB Supply Current Standby Mode",
          "symbol": "IBB(standby)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "Standby Mode (typ printed as <1)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Total Driver On-Resistance (Sink + Source)",
          "symbol": "RDS(on)tot",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 1.6,
          "max": 2,
          "conditions": "I = 1 A, TJ = 25°C, VBB = 12 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Total Driver On-Resistance (Sink + Source)",
          "symbol": "RDS(on)tot",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 2.7,
          "max": 3.5,
          "conditions": "I = 1 A, TJ = 25°C, VBB = 4 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Logic Low Level (Standby)",
          "symbol": "VIL(Standby)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "All inputs low",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Logic Low Level",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Logic High Level",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Hysteresis",
          "symbol": "VHYS",
          "kind": "electrical",
          "unit": "mV",
          "min": 100,
          "typ": 300,
          "max": 500,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Logic Input Current",
          "symbol": "IIN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 100,
          "max": 150,
          "conditions": "VIN = 5 V (Pull down = 50 kΩ)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VBB UVLO",
          "symbol": "VBBUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 3.6,
          "max": 3.95,
          "conditions": "VBB rising",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VBB UVLO Hysteresis",
          "symbol": "VBBHYS",
          "kind": "electrical",
          "unit": "mV",
          "min": 100,
          "typ": 300,
          "max": 500,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Standby Timer",
          "symbol": "tSTB",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 1,
          "max": 1.5,
          "conditions": "IN1 = IN2 = IN3 = IN4 < VIL(Standby)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Temperature",
          "symbol": "TJTSD",
          "kind": "electrical",
          "unit": "°C",
          "min": 150,
          "typ": 165,
          "max": 180,
          "conditions": "Temperature increasing",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage",
          "symbol": "VBB",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Logic Input Voltage Range",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Current",
          "symbol": "IOUT",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Upper limit printed as VBB + 1",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Ambient Temperature",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "G temperature range",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "TJ(max)",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Source Driver On-Resistance",
          "symbol": "RDS(on)src",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 1.12,
          "max": null,
          "conditions": "I = 1 A, TJ = 25°C, VBB = 12 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Sink Driver On-Resistance",
          "symbol": "RDS(on)snk",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.48,
          "max": null,
          "conditions": "I = 1 A, TJ = 25°C, VBB = 12 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Hysteresis",
          "symbol": "ΔTJ",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "Recovery = TJTSD – ΔTJ",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Package Thermal Resistance LY package",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 48,
          "max": null,
          "conditions": "LY package, on 2-layer PCB with 2.260 in.2 of copper area each side",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "A3909GLYTR-T (Allegro MicroSystems, LLC) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}