TL3843BDR

{
  "schema_version": 1,
  "type": "component",
  "slug": "tl3843bdr",
  "title": "TL3843BDR",
  "brief": "Texas Instruments AC-DC Controllers And Regulators, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "power management (pmic)",
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  "component": {
    "mpn": "TL3843BDR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-14",
    "pin_count": 14,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tl3843b.pdf",
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    "distributor_links": {
      "lcsc": 544295,
      "digikey": "296-31947-2-ND",
      "mouser": "595-TL3843BDR"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T06:02:33Z",
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        "pn": "296-31947-2-ND",
        "status": "found",
        "lifecycle": "Active"
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        "pn": "595-TL3843BDR",
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    },
    "pins": [
      {
        "number": "1",
        "name": "COMP",
        "type": "bidirectional",
        "description": "Error amplifier compensation pin for frequency and gain adjustment."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "3",
        "name": "VFB",
        "type": "input",
        "description": "Error amplifier input for feedback voltage control loop (0-5.5V)."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "5",
        "name": "ISENSE",
        "type": "input",
        "description": "Current sense comparator input for load current monitoring (0-5.5V)."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "7",
        "name": "RT/CT",
        "type": "bidirectional",
        "description": "Oscillator timing capacitor pin for frequency setting via RC network (0-5.5V)."
      },
      {
        "number": "8",
        "name": "POWER GROUND",
        "type": "power_in",
        "description": "Output PWM ground terminal for the output stage."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Device control logic ground terminal."
      },
      {
        "number": "10",
        "name": "OUTPUT",
        "type": "output",
        "description": "PWM output stage for driving N-channel MOSFETs up to ±1A peak (0-30V)."
      },
      {
        "number": "11",
        "name": "VC",
        "type": "power_in",
        "description": "Output PWM stage positive supply voltage (0-30V)."
      },
      {
        "number": "12",
        "name": "VCC",
        "type": "power_in",
        "description": "Device control logic positive supply voltage (0-30V)."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "14",
        "name": "VREF",
        "type": "power_in",
        "description": "Oscillator reference voltage output at 5V nominal."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 9,
        "cost_usd": 0.1504,
        "at": "2026-10-03T06:02:04"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tl3843b.pdf",
        "pages": 31,
        "sha256": "42e42dc7a6e780d9",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-14",
      "Category": "Power Management (PMIC)",
      "Pins": "14"
    }
  },
  "variants": [],
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  "discovery_pitch": "TL3843BDR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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