TP8816B

{
  "slug": "tp8816b",
  "version": "0.1.0",
  "type": "component",
  "description": "TPOWER LED Drivers, ESOP-8L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "led drivers",
    "tp8816b",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tp8816b.kicad_sym",
    "tp8816b.kicad_mod",
    "tp8816b.glb",
    "tp8816b.step",
    "tp8816b.lbr",
    "docs/hero.png",
    "docs/tp8816b-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tp8816b-hero.glb",
    "tp8816b-hero.overlay.json"
  ],
  "component": {
    "mpn": "TP8816B",
    "manufacturer": "TPOWER",
    "package": "ESOP-8L",
    "pin_count": 9,
    "category": "LED Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603384151563657216",
    "parts": {
      "symbol": "tp8816b.kicad_sym",
      "footprint": "tp8816b.kicad_mod",
      "model_3d": "tp8816b-hero.glb",
      "model_3d_plain": "tp8816b.glb",
      "model_3d_step": "tp8816b-etched.step",
      "model_3d_step_plain": "tp8816b.step",
      "lbr": "tp8816b.lbr"
    },
    "distributor_links": {
      "lcsc": "C29075520"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T20:56:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "S",
        "type": "passive",
        "description": "Source of the internal power MOSFET, which the datasheet rates for a 100 V drain-source breakdown (VBR_DSS) and an on-resistance of 100 mΩ for the TP8816B."
      },
      {
        "number": "2",
        "name": "CS",
        "type": "input",
        "description": "Output current sense pin; the LED average-current sense resistor is connected between CS and GND, and the sense threshold is 200 mV at 100% brightness or 100 mV at 50% brightness, with CS and S rated -0.3 V to +6 V to GND."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Chip ground, rated -0.3 V to +8 V relative to VDD and -0.3 V to +9 V relative to MODE per the absolute maximum ratings."
      },
      {
        "number": "4",
        "name": "MODE",
        "type": "input",
        "description": "Brightness mode input: a high level (≥2.5 V) selects 50% output and a low level (≤2 V) selects 100% output, with an internal 80 kΩ pull-down, a clamp of 8.7 V, and an absolute maximum of -0.3 V to +9 V to GND."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; the datasheet says this pin is left floating."
      },
      {
        "number": "6",
        "name": "SW",
        "type": "output",
        "description": "Drain of the internal power MOSFET and the switching node of the buck converter, rated up to 100 V to GND; pin 6 and pin 7 are both SW and should be tied together."
      },
      {
        "number": "7",
        "name": "SW",
        "type": "output",
        "description": "Drain of the internal power MOSFET and the switching node of the buck converter, rated up to 100 V to GND; pin 7 and pin 6 are both SW and should be tied together."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply input with an internal 7.5 V shunt regulator clamp; undervoltage lockout releases at 4.75 V rising with 4.0 V falling, and VDD to GND is rated -0.3 V to +8 V, with a bypass capacitor required close to the VDD and GND pins."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 exposed pad is printed as 'EP', not a number, and is listed as SW in the pin table; it is reprod; The datasheet lists pins 6 and 7 together as '6, 7 SW'; they are split into two entries with the sam; The datasheet gives one ESOP-8L pinout that applies to all ordering variants (TP8816A, TP8816B, TP88",
          "exposed pad 9 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0402,
        "at": "2026-10-09T20:55:03"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603384151563657216",
        "pages": 7,
        "sha256": "bcc1609ed15987cb",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tp8816b.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tp8816b-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4d90791d7d60ebe6b4b1a1d6252921db123450a1fe0079091e64ac57c0248f7c",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}