HT9910BRZ

{
  "slug": "ht9910brz",
  "version": "0.1.0",
  "type": "component",
  "description": "HTCSEMI LED Drivers, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "display modules - led drivers - display drivers",
    "ht9910brz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ht9910brz.kicad_sym",
    "ht9910brz.kicad_mod",
    "ht9910brz.glb",
    "ht9910brz.step",
    "ht9910brz.lbr",
    "docs/hero.png",
    "docs/ht9910brz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ht9910brz-hero.glb",
    "ht9910brz-hero.overlay.json",
    "ht9910brz-etched.glb"
  ],
  "component": {
    "mpn": "HT9910BRZ",
    "manufacturer": "HTCSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Display Modules / LED Drivers / Display Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/5ec1170984dbc86bb04876b2ccdc6852.pdf",
    "parts": {
      "symbol": "ht9910brz.kicad_sym",
      "footprint": "ht9910brz.kicad_mod",
      "model_3d": "ht9910brz-hero.glb",
      "model_3d_plain": "ht9910brz-etched.glb",
      "model_3d_step": "ht9910brz-etched.step",
      "model_3d_step_plain": "ht9910brz.step",
      "lbr": "ht9910brz.lbr"
    },
    "distributor_links": {
      "lcsc": "C2917539"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T22:16:03Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Input of the internal 8V to 450V linear regulator, input voltage 8V to 450V DC."
      },
      {
        "number": "2",
        "name": "CS",
        "type": "input",
        "description": "Senses the LED string current through the external sense resistor, with a 250mV internal pull-in threshold."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground."
      },
      {
        "number": "4",
        "name": "GATE",
        "type": "output",
        "description": "Drives the gate of the external MOSFET."
      },
      {
        "number": "5",
        "name": "PWM_D",
        "type": "input",
        "description": "Low frequency PWM dimming pin and enable input with an internal 100kΩ pull-down to GND."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_out",
        "description": "Internally regulated 7.5V nominal supply that can supply up to 1mA for external circuitry and needs a storage capacitor; must not exceed 12V."
      },
      {
        "number": "7",
        "name": "LD",
        "type": "input",
        "description": "Linear dimming input that changes the current limit threshold at the current sense comparator (0 to 250mV)."
      },
      {
        "number": "8",
        "name": "RT",
        "type": "passive",
        "description": "Oscillator control; a resistor from this pin to ground sets the PWM frequency."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-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 table header (Name, Pad, SOIC-16, SOIC-8, DIP-8) does not align with its three number column; The MPN HT9910BRZ has no -8 or -16 suffix. The datasheet lists HT9910BRZ-8 (8-pin SOIC) and HT9910BR; The pin types for VDD (power_out) and RT (passive) are my inference from the descriptions. The datas"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0919,
        "at": "2026-10-22T22:15:52"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/5ec1170984dbc86bb04876b2ccdc6852.pdf",
        "pages": 7,
        "sha256": "fe5fb2a8846f612c",
        "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": [
      {
        "file": "ht9910brz.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ht9910brz-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5f2ee8eaf12ccacfedd1b565d2f9d875af3c17442f0cbbe72b45e0e77e55943",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}