TP8556N

{
  "slug": "tp8556n",
  "version": "0.1.0",
  "type": "component",
  "description": "TPOWER LED Drivers, SOT-23-6L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "led drivers",
    "tp8556n",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tp8556n.kicad_sym",
    "tp8556n.kicad_mod",
    "tp8556n.glb",
    "tp8556n.step",
    "tp8556n.lbr",
    "docs/hero.png",
    "docs/tp8556n-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tp8556n-hero.glb",
    "tp8556n-hero.overlay.json",
    "tp8556n-etched.glb"
  ],
  "component": {
    "mpn": "TP8556N",
    "manufacturer": "TPOWER",
    "package": "SOT-23-6L",
    "pin_count": 6,
    "category": "LED Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603384150515081216",
    "parts": {
      "symbol": "tp8556n.kicad_sym",
      "footprint": "tp8556n.kicad_mod",
      "model_3d": "tp8556n-hero.glb",
      "model_3d_plain": "tp8556n-etched.glb",
      "model_3d_step": "tp8556n-etched.step",
      "model_3d_step_plain": "tp8556n.step",
      "lbr": "tp8556n.lbr"
    },
    "distributor_links": {
      "lcsc": "C29075519"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T08:59:55Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DRV",
        "type": "output",
        "description": "Gate drive output for the external power MOSFET; the datasheet rates the driver at 550 mA maximum pull-up and 350 mA maximum pull-down current."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Chip ground reference; the CS sense resistor is connected between CS and this pin."
      },
      {
        "number": "3",
        "name": "MODE",
        "type": "input",
        "description": "High/low brightness mode select: high selects 50% output and low selects 100%, with a 100nF filter capacitor to GND required in brightness-switching applications; the pin must not float and must be tied to VDD or GND when unused, with VMODE_H of 2.0 V minimum, VMODE_L of 0.5 V maximum, and a -0.3 to +7 V absolute range."
      },
      {
        "number": "4",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply input with a built-in 5.6 V zener clamp; the datasheet gives an absolute limit of -0.3 to +6 V, an undervoltage lockout of 3.1 V rising and 2.7 V falling, and a supply current of 405 µA typical at 5 V, and recommends a series supply resistor when the input exceeds 5.6 V."
      },
      {
        "number": "5",
        "name": "DIM",
        "type": "input",
        "description": "Analog dimming input that sets LED current over 0.3 to 1.5 V, with dimming off at 0.15 V and on at 0.2 V, and an internal 18 µA pull-up current; the absolute limit is -0.3 to +6 V."
      },
      {
        "number": "6",
        "name": "CS",
        "type": "input",
        "description": "Output current sense pin; the average LED current sense resistor is connected between CS and GND, with a sense threshold of 300 mV at 100% brightness and 150 mV at 50%, and an absolute limit of -0.3 to +6 V."
      }
    ],
    "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 gives a single package, SOT23-6L, with pin names and descriptions but no ordering or p; The datasheet gives pin names and functions but not explicit electrical type classes; the KiCad type"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0344,
        "at": "2026-10-17T08:59:28"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603384150515081216",
        "pages": 6,
        "sha256": "508fd1ab8b5f5e16",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tp8556n.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tp8556n-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4f6362cf39e6e9753b4d6a16c60a0d6976d0be73b734be2e358a8e98f885537f",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}