UCC27423DR

{
  "schema_version": 1,
  "type": "component",
  "slug": "ucc27423dr",
  "title": "UCC27423DR",
  "brief": "Texas Instruments Pre-ordered Chips, SOIC-8. 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",
    "interface ics",
    "ucc27423dr",
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  "component": {
    "mpn": "UCC27423DR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Interface ICs",
    "subcategory": "Pre-ordered Chips",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ucc27423.pdf",
    "parts": {
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      "footprint": "ucc27423dr.kicad_mod",
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      "lbr": "ucc27423dr.lbr"
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    "distributor_links": {
      "lcsc": "C2677322"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T22:54:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 807 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "ENBA",
        "type": "input",
        "description": "Enable input for driver A with logic-compatible threshold and hysteresis, internally pulled up to VDD with 100 kΩ for active-high operation; output is low when disabled regardless of input state, and it can be left open."
      },
      {
        "number": "2",
        "name": "INA",
        "type": "input",
        "description": "Input signal of driver A with logic-compatible threshold and hysteresis; if unused it must be tied to VDD or GND and not left floating."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Common ground, which should be connected very closely to the source of the power MOSFET being driven."
      },
      {
        "number": "4",
        "name": "INB",
        "type": "input",
        "description": "Input signal of driver B with logic-compatible threshold and hysteresis; if unused it must be tied to VDD or GND and not left floating."
      },
      {
        "number": "5",
        "name": "OUTB",
        "type": "output",
        "description": "Driver output B, whose output stage can provide 4 A of drive current to the gate of a power MOSFET."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage and power input connection for the device, with a recommended operating range of 4 V to 15 V."
      },
      {
        "number": "7",
        "name": "OUTA",
        "type": "output",
        "description": "Driver output A, whose output stage can provide 4 A of drive current to the gate of a power MOSFET."
      },
      {
        "number": "8",
        "name": "ENBB",
        "type": "input",
        "description": "Enable input for driver B with logic-compatible threshold and hysteresis, internally pulled up to VDD with 100 kΩ for active-high operation; output is low when disabled regardless of input state, and it can be left open."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Datasheet pin table describes INB as 'input signal of the A driver', apparently a typo; description ; UCC27423 is the dual-inverting variant. Pin numbering is the same for all variants, but OUTA/OUTB ar"
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        "at": "2026-10-22T22:53:49"
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        "pages": 44,
        "sha256": "a4843244d93d28b0",
        "source_tier": "mfr"
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        "total": 8,
        "described": 8,
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  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-8",
      "Category": "Interface ICs",
      "Pins": "8"
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    "characteristics": {
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          "max": 16,
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        {
          "name": "Output current DC (OUTA, OUTB)",
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        {
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          "conditions": "Human body model, per AEC Q100-002",
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          "name": "Junction-to-ambient thermal resistance",
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          "name": "Junction-to-case (top) thermal resistance",
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          "name": "Junction-to-board thermal resistance",
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        {
          "name": "Junction-to-top characterization parameter",
          "symbol": "ψJT",
          "kind": "thermal",
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          "name": "Junction-to-board characterization parameter",
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          "name": "Logic 1 input threshold",
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          "name": "Logic 0 input threshold",
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          "conditions": "0 V ≤ VIN ≤ VDD",
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          "name": "Output current",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
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          "max": null,
          "conditions": "VDD = 14 V (not tested in production)",
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        {
          "name": "Output resistance high",
          "symbol": "ROH",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 1.2,
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          "conditions": "IOUT = –10 mA",
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        {
          "name": "Output resistance low",
          "symbol": "ROL",
          "kind": "electrical",
          "unit": "Ω",
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          "max": 1.2,
          "conditions": "IOUT = 10 mA",
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        {
          "name": "Rise time (OUTA, OUTB)",
          "symbol": "tr",
          "kind": "timing",
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          "max": 40,
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        {
          "name": "Delay, IN rising (IN to OUT)",
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          "name": "Delay, IN falling (IN to OUT)",
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          "name": "Enable high-level input voltage",
          "symbol": "VIN_H",
          "kind": "electrical",
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          "name": "Enable low-level input voltage",
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        {
          "name": "Enable hysteresis",
          "symbol": "",
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          "min": 0.15,
          "typ": 0.55,
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          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Enable impedance",
          "symbol": "RENB",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 75,
          "typ": 100,
          "max": 140,
          "conditions": "VDD = 14 V, ENB = GND",
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          "name": "Enable propagation delay time",
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          "conditions": "All disabled, VDD = 15 V, ENBA = ENBB = 0 V, INA = HIGH, INB = HIGH",
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