A3916GESTR-T

{
  "schema_version": 1,
  "type": "component",
  "slug": "a3916gestr-t",
  "title": "A3916GESTR-T",
  "brief": "Allegro MicroSystems, LLC Motor Driver ICs, WQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power supply chip",
    "a3916gestr-t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "A3916GESTR-T",
    "manufacturer": "Allegro MicroSystems, LLC",
    "package": "WQFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "Power Supply Chip",
    "subcategory": "Motor Driver ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/05b860fefd4b12d214296338c18f65d6.pdf",
    "parts": {
      "symbol": "a3916gestr-t.kicad_sym",
      "footprint": "a3916gestr-t.kicad_mod",
      "model_3d": "a3916gestr-t-hero.glb",
      "model_3d_plain": "a3916gestr-t-etched.glb",
      "model_3d_step": "a3916gestr-t-etched.step",
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      "lbr": "a3916gestr-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C5124220"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T22:55:14Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 789 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground terminal."
      },
      {
        "number": "2",
        "name": "SLEEPn",
        "type": "input",
        "description": "Active-low sleep input that minimizes power consumption (logic low below 0.4 V); wait 1.5 ms after wake before issuing commands."
      },
      {
        "number": "3",
        "name": "IN1",
        "type": "input",
        "description": "Control input for H-bridge 1 (logic high at least 2.0 V, low at most 0.8 V)."
      },
      {
        "number": "4",
        "name": "IN2",
        "type": "input",
        "description": "Control input for H-bridge 1 (logic high at least 2.0 V, low at most 0.8 V)."
      },
      {
        "number": "5",
        "name": "IN3",
        "type": "input",
        "description": "Control input for H-bridge 2 (logic high at least 2.0 V, low at most 0.8 V)."
      },
      {
        "number": "6",
        "name": "IN4",
        "type": "input",
        "description": "Control input for H-bridge 2 (logic high at least 2.0 V, low at most 0.8 V)."
      },
      {
        "number": "7",
        "name": "FAULTn",
        "type": "output",
        "description": "Open-drain fault output pulled low during a TSD or overcurrent protection event (max 200 mV at 1 mA)."
      },
      {
        "number": "8",
        "name": "OUT2A",
        "type": "output",
        "description": "DMOS H-bridge 2 output A, rated for 1.0 A continuous."
      },
      {
        "number": "9",
        "name": "SENSE2",
        "type": "passive",
        "description": "Sense resistor terminal for bridge 2; ITRIP(max) = 0.2 V / RSENSE, max 0.5 V continuous, shorted to ground if current limiting is unused."
      },
      {
        "number": "10",
        "name": "OUT2B",
        "type": "output",
        "description": "DMOS H-bridge 2 output B, rated for 1.0 A continuous."
      },
      {
        "number": "11",
        "name": "VBB",
        "type": "power_in",
        "description": "Motor supply voltage, 2.7 to 15 V operating range."
      },
      {
        "number": "12",
        "name": "OUT1B",
        "type": "output",
        "description": "DMOS H-bridge 1 output B, rated for 1.0 A continuous."
      },
      {
        "number": "13",
        "name": "SENSE1",
        "type": "passive",
        "description": "Sense resistor terminal for bridge 1; ITRIP(max) = 0.2 V / RSENSE, max 0.5 V continuous, shorted to ground if current limiting is unused."
      },
      {
        "number": "14",
        "name": "OUT1A",
        "type": "output",
        "description": "DMOS H-bridge 1 output A, rated for 1.0 A continuous."
      },
      {
        "number": "15",
        "name": "VCP",
        "type": "passive",
        "description": "Charge pump capacitor terminal; a 0.1 µF capacitor is shown in the typical application."
      },
      {
        "number": "16",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "17",
        "name": "PAD",
        "type": "passive",
        "description": "Exposed pad for enhanced thermal performance; thermal vias on a multilayer PCB can improve dissipation."
      }
    ],
    "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's terminal table lists the exposed pad as 'PAD' with no number. I assigned it number '; The VCP and SENSE pin types are my inference. The datasheet doesn't give an electrical type for eith"
        ],
        "pages_sent": 11,
        "cost_usd": 0.1036,
        "at": "2026-10-22T22:55:04"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/05b860fefd4b12d214296338c18f65d6.pdf",
        "pages": 11,
        "sha256": "c20cabcce3abe991",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "checked": "2026-10-22",
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  "metadata": {
    "specs": {
      "Manufacturer": "Allegro MicroSystems, LLC",
      "Package": "WQFN-16-EP(3x3)",
      "Category": "Power Supply Chip",
      "Pins": "17"
    },
    "characteristics": {
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          "name": "Supply Voltage",
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          "conditions": "",
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        {
          "name": "Output Current",
          "symbol": "IOUT",
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          "unit": "A",
          "min": null,
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          "max": 1,
          "conditions": "Continuous",
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        {
          "name": "Output Current (parallel mode)",
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          "kind": "absolute_maximum",
          "unit": "A",
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        {
          "name": "Sense Voltage, continuous",
          "symbol": "VSENSEx",
          "kind": "absolute_maximum",
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          "typ": null,
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          "conditions": "Continuous",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Sense Voltage, pulsed",
          "symbol": "VSENSEx",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2.5,
          "conditions": "Pulsed, tw < 1 µs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Logic Input Voltage Range",
          "symbol": "VIO",
          "kind": "absolute_maximum",
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          "min": -0.3,
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          "max": 5.5,
          "conditions": "",
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        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ(MAX)",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
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        },
        {
          "name": "Storage Temperature Range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "Range G",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Load Supply Voltage Range",
          "symbol": "VBB",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": 15,
          "conditions": "Operating",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction to Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 47,
          "max": null,
          "conditions": "3 × 3 mm ES package, 4-layer PCB based on JEDEC standard",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "High-side Output On Resistance",
          "symbol": "RDS(ON,HS)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 335,
          "max": 450,
          "conditions": "TJ = 25°C, 500 mA, VBB = 5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low-side Output On Resistance",
          "symbol": "RDS(ON,LS)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 375,
          "max": 525,
          "conditions": "TJ = 25°C, 500 mA, VBB = 5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Diode Forward Voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.85,
          "max": 1,
          "conditions": "I = 500 mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VBB Supply Current",
          "symbol": "IBB(2p7V)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2.2,
          "max": 4.5,
          "conditions": "Outputs disabled, VBB = 2.7 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VBB Supply Current",
          "symbol": "IBB(15V)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.1,
          "max": 4.5,
          "conditions": "Outputs disabled, VBB = 15 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VBB Sleep Current",
          "symbol": "IBB(SLEEP)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "Sleep Mode",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Logic Input Voltage High, INx",
          "symbol": "VIN(1)",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Logic Input Voltage Low, INx",
          "symbol": "VIN(0)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Logic Input Voltage High, SLEEPn",
          "symbol": "VIN(1)",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Logic Input Voltage Low, SLEEPn",
          "symbol": "VIN(0)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Logic Input Hysteresis",
          "symbol": "VHYS",
          "kind": "electrical",
          "unit": "mV",
          "min": 100,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Logic Input Current",
          "symbol": "IIN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 33,
          "max": 50,
          "conditions": "VIN = 3.3 V, pulldown = 100 kΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Fault Output Voltage",
          "symbol": "VFAULTn",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Flag asserted, IFAULTn = 1 mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Fault Output Leakage Current",
          "symbol": "IFAULTn",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VFAULTn = 5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VSENSE Blank time",
          "symbol": "tBLANK",
          "kind": "timing",
          "unit": "µs",
          "min": 2.1,
          "typ": 3.1,
          "max": 4.1,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VSENSE Trip Voltage",
          "symbol": "VTRIP",
          "kind": "electrical",
          "unit": "mV",
          "min": 170,
          "typ": 205,
          "max": 240,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Fixed Off-Time",
          "symbol": "tOFF",
          "kind": "timing",
          "unit": "µs",
          "min": 20,
          "typ": 30,
          "max": 40,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Crossover Delay",
          "symbol": "tOCD",
          "kind": "timing",
          "unit": "ns",
          "min": 200,
          "typ": 550,
          "max": 1000,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VBB Undervoltage Lockout",
          "symbol": "VBB(UVLO)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2.55,
          "max": 2.65,
          "conditions": "VBB rising",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Temperature",
          "symbol": "TJ1",
          "kind": "electrical",
          "unit": "°C",
          "min": 150,
          "typ": 165,
          "max": 180,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High-side Output On Resistance",
          "symbol": "RDS(ON,HS)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 410,
          "max": null,
          "conditions": "TJ = 85°C, 500 mA, VBB = 5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low-side Output On Resistance",
          "symbol": "RDS(ON,LS)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 455,
          "max": null,
          "conditions": "TJ = 85°C, 500 mA, VBB = 5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VBB Hysteresis",
          "symbol": "VBB(UVLO,HYS)",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 125,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Hysteresis",
          "symbol": "ΔTJ1",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
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