main
Ray Set visibility: public f68aa0a 8d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "uc3770bn",
  "title": "UC3770BN",
  "brief": "Texas Instruments Gate Drive ICs, PDIP-16. 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",
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    "extractor-text"
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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",
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      "model_3d_step_plain": "uc3770bn.step",
      "lbr": "uc3770bn.lbr"
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    "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"
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    },
    "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)."
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      {
        "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)."
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      {
        "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",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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          "vision extraction: provenance cannot be text-verified; needs consensus"
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    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "PDIP-16",
      "Category": "Power Management ICs",
      "Pins": "16"
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          "name": "Thermal Shutdown Temperature",
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          "symbol": "Pins 7, 8, 9",
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          "conditions": "VI = 2.4V",
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          "name": "Comparator Threshold",
          "symbol": "Pin 10",
          "kind": "electrical",
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          "max": 430,
          "conditions": "VR = 5V, I0 = L, I1 = L",
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        {
          "name": "Comparator Threshold",
          "symbol": "Pin 10",
          "kind": "electrical",
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        {
          "name": "Comparator Input Current",
          "symbol": "Pin 10",
          "kind": "electrical",
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        {
          "name": "Off Time",
          "symbol": "RT, CT",
          "kind": "timing",
          "unit": "ms",
          "min": 25,
          "typ": 30,
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          "name": "Turn Off Delay",
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          "typ": 2,
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        {
          "name": "Sink Driver Saturation Voltage",
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          "conditions": "IM = 1.0A",
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        {
          "name": "Source Driver Saturation Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
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          "name": "Output Leakage Current",
          "symbol": "",
          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VM = 45V",
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        {
          "name": "Logic Supply Voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
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          "max": 7,
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          "max": 50,
          "conditions": "",
          "source_page": 2,
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          "name": "Logic Input Voltage",
          "symbol": "Pins 7, 8, 9",
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          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
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          "name": "Reference Input Voltage",
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          "min": null,
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          "max": 15,
          "conditions": "",
          "source_page": 2,
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          "name": "Logic Input Current",
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          "typ": null,
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          "conditions": "",
          "source_page": 2,
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          "name": "Analog Input Current",
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          "kind": "absolute_maximum",
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          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
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          "conditions": "",
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          "max": 150,
          "conditions": "",
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          "name": "Operating Ambient Temperature",
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          "min": 0,
          "typ": null,
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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