TL2843BDR

{
  "slug": "tl2843bdr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments AC-DC Controllers And Regulators, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tl2843bdr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tl2843bdr.kicad_sym",
    "tl2843bdr.kicad_mod",
    "tl2843bdr.glb",
    "tl2843bdr.step",
    "tl2843bdr.lbr",
    "docs/hero.png",
    "docs/tl2843bdr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tl2843bdr-hero.glb",
    "tl2843bdr-hero.overlay.json"
  ],
  "component": {
    "mpn": "TL2843BDR",
    "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/tl2843b.pdf",
    "parts": {
      "symbol": "tl2843bdr.kicad_sym",
      "footprint": "tl2843bdr.kicad_mod",
      "model_3d": "tl2843bdr-hero.glb",
      "model_3d_plain": "tl2843bdr.glb",
      "model_3d_step": "tl2843bdr-etched.step",
      "model_3d_step_plain": "tl2843bdr.step",
      "lbr": "tl2843bdr.lbr"
    },
    "distributor_links": {
      "lcsc": "C485091",
      "digikey": "296-21846-2-ND",
      "mouser": "595-TL2843BDR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T20:31:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-21846-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TL2843BDR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "COMP",
        "type": "bidirectional",
        "description": "Error amplifier compensation pin; error amplifier output sink current is limited to 10 mA maximum."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; do not connect."
      },
      {
        "number": "3",
        "name": "VFB",
        "type": "input",
        "description": "Error amplifier input, with recommended input voltage of 0 V to 5.5 V (absolute maximum −0.3 V to 6.3 V)."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; do not connect."
      },
      {
        "number": "5",
        "name": "ISENSE",
        "type": "input",
        "description": "Current sense comparator input, with recommended input voltage of 0 V to 5.5 V (absolute maximum −0.3 V to 6.3 V)."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; do not connect."
      },
      {
        "number": "7",
        "name": "RT/CT",
        "type": "bidirectional",
        "description": "Oscillator RC timing input, with recommended voltage of 0 V to 5.5 V."
      },
      {
        "number": "8",
        "name": "POWER GROUND",
        "type": "power_in",
        "description": "Output PWM ground terminal; recommended voltage range is −0.1 V to 1 V (applies to the 14-pin D package)."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Device power supply ground terminal; all voltages are referenced to this pin."
      },
      {
        "number": "10",
        "name": "OUTPUT",
        "type": "output",
        "description": "PWM output for driving an N-channel MOSFET gate; output voltage 0 V to 30 V, average output current 200 mA maximum, ±1 A peak."
      },
      {
        "number": "11",
        "name": "VC",
        "type": "power_in",
        "description": "Output PWM positive voltage supply; recommended voltage up to 30 V (applies to the 14-pin D package)."
      },
      {
        "number": "12",
        "name": "VCC",
        "type": "power_in",
        "description": "Device positive supply; absolute maximum 30 V for a low-impedance source, with supply current self-limited when ICC is above 30 mA."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; do not connect."
      },
      {
        "number": "14",
        "name": "REF",
        "type": "output",
        "description": "Oscillator voltage reference output; reference output current limited to −20 mA."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-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 D (SOIC-14) pin table gives the pin names and functions but not an explicit ERC type; Pins 2, 4, 6 and 13 are marked NC (no internal connection, do not connect) in the datasheet and are ; The 14-pin pinout applies to the D (SOIC-14) package. TL2843BDR is listed as a 14-pin SOIC (D) in th"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0732,
        "at": "2026-10-08T20:30:36"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tl2843b.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
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tl2843bdr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tl2843bdr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "49fb49da91a2260c9e4003c562e9c1ed28b9c8be333227ce53a542167c2d5790",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}