TL3843P-TUDI

{
  "slug": "tl3843p-tudi",
  "version": "0.1.0",
  "type": "component",
  "description": "Tudi AC-DC Controllers And Regulators, DIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tl3843p-tudi",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tl3843p-tudi.kicad_sym",
    "tl3843p-tudi.kicad_mod",
    "tl3843p-tudi.glb",
    "tl3843p-tudi.step",
    "tl3843p-tudi.lbr",
    "docs/hero.png",
    "docs/tl3843p-tudi-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tl3843p-tudi-hero.glb",
    "tl3843p-tudi-hero.overlay.json",
    "tl3843p-tudi-etched.glb"
  ],
  "component": {
    "mpn": "TL3843P-TUDI",
    "manufacturer": "Tudi",
    "package": "DIP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604436102795583488",
    "parts": {
      "symbol": "tl3843p-tudi.kicad_sym",
      "footprint": "tl3843p-tudi.kicad_mod",
      "model_3d": "tl3843p-tudi-hero.glb",
      "model_3d_plain": "tl3843p-tudi-etched.glb",
      "model_3d_step": "tl3843p-tudi-etched.step",
      "model_3d_step_plain": "tl3843p-tudi.step",
      "lbr": "tl3843p-tudi.lbr"
    },
    "distributor_links": {
      "lcsc": "C42372702"
    },
    "distributor_check": {
      "checked_at": "2026-10-16T08:08:50Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "COMP",
        "type": "output",
        "description": "This pin is the Error Amplifier output and is made for loop compensation, with the error amplifier sink current limited to 10 mA (ISINK(E.A) absolute maximum)."
      },
      {
        "number": "2",
        "name": "VFB",
        "type": "input",
        "description": "This is the inverting input of the Error Amplifier, normally connected to the switching power supply output through a resistor divider, with analog input pins 2 and 3 rated from -0.3 V to 5.5 V."
      },
      {
        "number": "3",
        "name": "ISENSE",
        "type": "input",
        "description": "A voltage proportional to inductor current is connected to this input, which the PWM uses to terminate the output switch conduction, with analog input pins 2 and 3 rated from -0.3 V to 5.5 V."
      },
      {
        "number": "4",
        "name": "RT/CT",
        "type": "passive",
        "description": "The oscillator frequency and maximum output duty cycle are programmed by connecting resistor RT to Vref and capacitor CT to ground."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "This pin is the combined control circuitry and power ground (listed as GROUND in the pin function table)."
      },
      {
        "number": "6",
        "name": "OUTPUT",
        "type": "output",
        "description": "This output directly drives the gate of a power MOSFET, sourcing and sinking peak currents up to 1 A (output current limit ±1 A)."
      },
      {
        "number": "7",
        "name": "VCC",
        "type": "power_in",
        "description": "This pin is the positive supply of the integrated circuit, with a maximum supply voltage of 30 V (absolute maximum rating, low-impedance source)."
      },
      {
        "number": "8",
        "name": "VREF",
        "type": "power_out",
        "description": "This is the reference output, trimmed to 5.0 V typical at IREF = 1 mA (4.9 V to 5.1 V) and providing charging current for capacitor CT through resistor RT."
      }
    ],
    "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 covers the TL3842/43/44/45 family and does not list the ordering code TL3843P-TUDI exp; Pin 5 is named 'GROUND' in the pin function table on page 2 but labeled 'GND' in the top-view diagra; The datasheet's pin types (input, output, power, passive) are not stated explicitly and were inferre"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0311,
        "at": "2026-10-16T08:08:36"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604436102795583488",
        "pages": 11,
        "sha256": "05fbdc4090dd7e00",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "tl3843p-tudi.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4a377a56a8d9e9c0b86c095ef9ecc1869ac19e7f5069a3247b294250bf4f235d",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tl3843p-tudi-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "27f03b9e5cb84f447bbb70759ffc4ed04692168577fbb094aa8c466a1b76a128",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}