UC3770BN

{
  "slug": "uc3770bn",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Gate Drive ICs, PDIP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "uc3770bn",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
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    "path": "docs/hero.png"
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    "uc3770bn.step",
    "uc3770bn.lbr",
    "docs/hero.png",
    "docs/uc3770bn-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "uc3770bn-hero.glb",
    "uc3770bn-hero.overlay.json",
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  "component": {
    "mpn": "UC3770BN",
    "manufacturer": "Texas Instruments",
    "package": "PDIP-16",
    "pin_count": 16,
    "category": "Power Management ICs",
    "subcategory": "Gate Drive ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/97b88b73616b1336425b3406805f8819.pdf",
    "parts": {
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      "footprint": "uc3770bn.kicad_mod",
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      "model_3d_plain": "uc3770bn-etched.glb",
      "model_3d_step": "uc3770bn-etched.step",
      "model_3d_step_plain": "uc3770bn.step",
      "lbr": "uc3770bn.lbr"
    },
    "distributor_links": {
      "lcsc": "C1556090",
      "digikey": "296-11260-5-ND",
      "mouser": "595-UC3770BN"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T23:06:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-11260-5-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-UC3770BN",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BOUT",
        "type": "output",
        "description": "Bridge output B of the H-bridge; output current is rated up to ±2A."
      },
      {
        "number": "2",
        "name": "Timing",
        "type": "passive",
        "description": "Monostable timing pin where the RT/CT network sets the off time, tOFF = 0.69RTCT."
      },
      {
        "number": "3",
        "name": "VM",
        "type": "power_in",
        "description": "Motor supply voltage input, 10V to 45V operating range (50V absolute maximum)."
      },
      {
        "number": "4",
        "name": "Gnd",
        "type": "power_in",
        "description": "Ground; the reference for all voltages, and internally connected with pins 5, 12 and 13."
      },
      {
        "number": "5",
        "name": "Gnd",
        "type": "power_in",
        "description": "Ground; the reference for all voltages, and internally connected with pins 4, 12 and 13."
      },
      {
        "number": "6",
        "name": "VCC",
        "type": "power_in",
        "description": "Logic supply voltage, 4.75V to 5.3V (7V absolute maximum)."
      },
      {
        "number": "7",
        "name": "I1",
        "type": "input",
        "description": "LS-TTL compatible logic input that selects the current level, with threshold 0.8V to 2.0V and 6V absolute maximum."
      },
      {
        "number": "8",
        "name": "Phase",
        "type": "input",
        "description": "LS-TTL compatible logic input that sets the direction of the bridge output current, with threshold 0.8V to 2.0V and 6V absolute maximum."
      },
      {
        "number": "9",
        "name": "I0",
        "type": "input",
        "description": "LS-TTL compatible logic input that selects the current level, with threshold 0.8V to 2.0V and 6V absolute maximum."
      },
      {
        "number": "10",
        "name": "Current",
        "type": "input",
        "description": "Current-sense comparator input, which is limited to VCC maximum and has an input current of ±20µA maximum."
      },
      {
        "number": "11",
        "name": "VR",
        "type": "input",
        "description": "Reference input voltage for the current-sense thresholds, 15V absolute maximum."
      },
      {
        "number": "12",
        "name": "Gnd",
        "type": "power_in",
        "description": "Ground; the reference for all voltages, and internally connected with pins 4, 5 and 13."
      },
      {
        "number": "13",
        "name": "Gnd",
        "type": "power_in",
        "description": "Ground; the reference for all voltages, and internally connected with pins 4, 5 and 12."
      },
      {
        "number": "14",
        "name": "VM",
        "type": "power_in",
        "description": "Motor supply voltage input, 10V to 45V operating range (50V absolute maximum)."
      },
      {
        "number": "15",
        "name": "AOUT",
        "type": "output",
        "description": "Bridge output A of the H-bridge; output current is rated up to ±2A."
      },
      {
        "number": "16",
        "name": "Emitters",
        "type": "passive",
        "description": "Common emitter connection of the low-side drivers, where the external current-sense resistor is connected."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet gives no text descriptions of the pin functions. Descriptions are inferred from the bl; The connection diagram is for the DIL-16 J or N package, so it covers the N package of UC3770BN. The",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 6,
        "cost_usd": 0.1833,
        "at": "2026-10-30T23:06:28"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/97b88b73616b1336425b3406805f8819.pdf",
        "pages": 6,
        "sha256": "3435383e546e5243",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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        "units": "mm",
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}