LD7830GR

{
  "slug": "ld7830gr",
  "version": "0.1.0",
  "type": "component",
  "description": "Leadtrend Tech LED Drivers, SOP-7. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "display modules - led drivers - display drivers",
    "ld7830gr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ld7830gr.kicad_sym",
    "ld7830gr.kicad_mod",
    "ld7830gr.glb",
    "ld7830gr.step",
    "ld7830gr.lbr",
    "docs/hero.png",
    "docs/ld7830gr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ld7830gr-hero.glb",
    "ld7830gr-hero.overlay.json",
    "ld7830gr-etched.glb"
  ],
  "component": {
    "mpn": "LD7830GR",
    "manufacturer": "Leadtrend Tech",
    "package": "SOP-7",
    "pin_count": 7,
    "category": "Display Modules / LED Drivers / Display Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/7988c287ca932fa01d2207063f97920f.pdf",
    "parts": {
      "symbol": "ld7830gr.kicad_sym",
      "footprint": "ld7830gr.kicad_mod",
      "model_3d": "ld7830gr-hero.glb",
      "model_3d_plain": "ld7830gr-etched.glb",
      "model_3d_step": "ld7830gr-etched.step",
      "model_3d_step_plain": "ld7830gr.step",
      "lbr": "ld7830gr.lbr"
    },
    "distributor_links": {
      "lcsc": "C648779"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T00:31:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ZCD",
        "type": "input",
        "description": "Quasi-resonant zero-current detector input and programmable maximum ON-time setting, where the ZCD pin falling to 0.1V turns on the MOSFET and the ZCD resistor sets the maximum ON-time."
      },
      {
        "number": "2",
        "name": "COMP",
        "type": "input",
        "description": "Feedback pin that connects to a photo-coupler to close the control loop for regulation, where COMP falling below 0.8V shuts down the drive output and COMP reaching 4.8V trips OLP."
      },
      {
        "number": "3",
        "name": "CS",
        "type": "input",
        "description": "Current sense input for the MOSFET current used for pulse-by-pulse OCP, with a maximum threshold of 0.5V and a negative turn-on spike that should not exceed -0.3V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the controller."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "output",
        "description": "Gate drive output for the external power MOSFET, with typical 500mA/-800mA drive capability and output clamped at 13V."
      },
      {
        "number": "6",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin for the controller, with UVLO on at 16V and off at 7.5V, and VCC over-voltage protection at 26V typical with a VCC rating below 29V."
      },
      {
        "number": "8",
        "name": "HV",
        "type": "power_in",
        "description": "High-voltage startup pin connected to the positive terminal of the main bulk capacitor, rated 600V, which turns off its internal current source once VCC is above UVLO on."
      }
    ],
    "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: MPN LD7830GR is the SOP-7 variant per the ordering table on page 2. The SOP-7 drawing has no pin 7 ("
        ],
        "pages_sent": 18,
        "cost_usd": 0.019,
        "at": "2026-10-27T00:31:08"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/7988c287ca932fa01d2207063f97920f.pdf",
        "pages": 18,
        "sha256": "ed91d839f07b0cf6",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 7,
        "described": 7,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ld7830gr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.4,
          4.9,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4c9435ffd3683a4ae45655e397c25900eda4f6782a526780f4f7b7b99a32dca7",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ld7830gr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.4,
          4.9,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "bec324631b8c17e0193f83486ca0f0f21e5316e4c8d979a4001764cccd14d910",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}