TL3844DR

{
  "slug": "tl3844dr",
  "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)",
    "tl3844dr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tl3844dr.kicad_sym",
    "tl3844dr.kicad_mod",
    "tl3844dr.glb",
    "tl3844dr.step",
    "tl3844dr.lbr",
    "docs/hero.png",
    "docs/tl3844dr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tl3844dr-hero.glb",
    "tl3844dr-hero.overlay.json"
  ],
  "component": {
    "mpn": "TL3844DR",
    "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/tl3844.pdf",
    "parts": {
      "symbol": "tl3844dr.kicad_sym",
      "footprint": "tl3844dr.kicad_mod",
      "model_3d": "tl3844dr-hero.glb",
      "model_3d_plain": "tl3844dr.glb",
      "model_3d_step": "tl3844dr-etched.step",
      "model_3d_step_plain": "tl3844dr.step",
      "lbr": "tl3844dr.lbr"
    },
    "distributor_links": {
      "lcsc": "C485111",
      "digikey": "296-29925-2-ND",
      "mouser": "595-TL3844DR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T04:05:25Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-29925-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TL3844DR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "COMP",
        "type": "bidirectional",
        "description": "Error amplifier compensation pin, with the error amplifier output sink current limited to 10 mA."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "Do not connect."
      },
      {
        "number": "3",
        "name": "VFB",
        "type": "input",
        "description": "Error amplifier input, with a recommended input voltage range of 0 V to 5.5 V."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "Do not connect."
      },
      {
        "number": "5",
        "name": "ISENSE",
        "type": "input",
        "description": "Current sense comparator input, with a recommended input voltage range of 0 V to 5.5 V."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "Do not connect."
      },
      {
        "number": "7",
        "name": "RT/CT",
        "type": "bidirectional",
        "description": "Oscillator RC input, with a recommended input voltage range of 0 V to 5.5 V and an oscillator frequency range of 100 kHz to 500 kHz."
      },
      {
        "number": "8",
        "name": "POWER GROUND",
        "type": "power_in",
        "description": "Output PWM ground terminal, with a recommended voltage of -0.1 V to 1 V (D package only)."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Device power supply ground terminal, to which all device voltages are referenced."
      },
      {
        "number": "10",
        "name": "OUTPUT",
        "type": "output",
        "description": "PWM output, rated for 0 V to 30 V output voltage, 200 mA average output current, and ±1 A absolute maximum output current."
      },
      {
        "number": "11",
        "name": "VC",
        "type": "power_in",
        "description": "Output PWM positive voltage supply, recommended up to 30 V (D package only)."
      },
      {
        "number": "12",
        "name": "VCC",
        "type": "power_in",
        "description": "Device positive voltage supply, recommended up to 30 V with externally limited supply current of 25 mA."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "Do not connect."
      },
      {
        "number": "14",
        "name": "REF",
        "type": "output",
        "description": "Oscillator voltage reference output, with 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 pin-to-physical-position mapping for the 14-pin SOIC could not be verified from text. Figure 4-1; VC and POWER GROUND are listed as D-package-only in the datasheet. They apply to the 14-pin D packag; VCC absolute maximum is listed only as 'Self limiting' with no numeric value. The recommended maximu"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0755,
        "at": "2026-10-08T04:05:08"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tl3844.pdf",
        "pages": 30,
        "sha256": "a83316c6a1cb9720",
        "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": "tl3844dr.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": "tl3844dr-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": "189c8632afd46b8e56f9bb818abbc5765eddb78f719d772fe78c8f254a2c2424",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}