OC6700B

{
  "slug": "oc6700b",
  "version": "0.1.0",
  "type": "component",
  "description": "OCX(欧创芯) LED Drivers, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "led drivers",
    "oc6700b",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "oc6700b.kicad_sym",
    "oc6700b.kicad_mod",
    "oc6700b.glb",
    "oc6700b.step",
    "oc6700b.lbr",
    "docs/hero.png",
    "docs/oc6700b-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "oc6700b-hero.glb",
    "oc6700b-hero.overlay.json",
    "oc6700b-etched.glb"
  ],
  "component": {
    "mpn": "OC6700B",
    "manufacturer": "OCX(欧创芯)",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "LED Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757245709911638016",
    "parts": {
      "symbol": "oc6700b.kicad_sym",
      "footprint": "oc6700b.kicad_mod",
      "model_3d": "oc6700b-hero.glb",
      "model_3d_plain": "oc6700b-etched.glb",
      "model_3d_step": "oc6700b-etched.step",
      "model_3d_step_plain": "oc6700b.step",
      "lbr": "oc6700b.lbr"
    },
    "distributor_links": {
      "lcsc": "C7428438"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T10:41:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the controller and the internal circuits."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Chip enable, active high, which can also be driven with a PWM signal for LED dimming; the datasheet gives a logic-low maximum of 0.8 V."
      },
      {
        "number": "3",
        "name": "COMP",
        "type": "passive",
        "description": "Error amplifier output used for frequency compensation, which requires an external resistor and capacitor network."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "LED output current sense feedback that regulates to about 250 mV (240 to 260 mV), with the LED current set by RFB."
      },
      {
        "number": "5",
        "name": "SW",
        "type": "output",
        "description": "Drain of the internal power NMOS (switch node), rated for 60 V maximum, and also connected to the exposed bottom pad."
      },
      {
        "number": "6",
        "name": "CS",
        "type": "input",
        "description": "Inductor peak current sense and input current-limit pin with an overcurrent threshold of 240 to 260 mV, and a voltage rating of -0.3 V to VDD+0.3 V."
      },
      {
        "number": "7",
        "name": "TOFF",
        "type": "passive",
        "description": "Off-time setting pin where an external capacitor COFF sets the off-time, and leaving it unconnected selects an internal 620 ns off-time."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Chip supply pin with an internal 5.5 V clamp (maximum clamp current 10 mA) and undervoltage lockout at 2.6 V rising with 0.3 V hysteresis."
      },
      {
        "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 datasheet says the ESOP8 bottom (thermal) pad is connected to SW, but it gives no pin number for; The pin types for SW (output), COMP and TOFF (passive) are engineering judgements mapped to KiCad ER; The datasheet gives no separate pinout for any other package. The ESOP8 pinout on page 2 is the only",
          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0288,
        "at": "2026-10-17T10:39:57"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757245709911638016",
        "pages": 8,
        "sha256": "f34366ee36c8ce17",
        "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": "oc6700b.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": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "oc6700b-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": "9462be975e209faaee93f38c69e78e4e70a47422e5056834c3ce578f50587855",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}