OB5656BPA

{
  "schema_version": 1,
  "type": "component",
  "slug": "ob5656bpa",
  "title": "OB5656BPA",
  "brief": "OB On Bright Elec LED Drivers, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "led drivers",
    "ob5656bpa",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "OB5656BPA",
    "manufacturer": "OB On Bright Elec",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "LED Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/6aae313e889a62ee65104da69eab5d12.pdf",
    "parts": {
      "symbol": "ob5656bpa.kicad_sym",
      "footprint": "ob5656bpa.kicad_mod",
      "model_3d": "ob5656bpa-hero.glb",
      "model_3d_plain": "ob5656bpa.glb",
      "model_3d_step": "ob5656bpa-etched.step",
      "model_3d_step_plain": "ob5656bpa.step",
      "lbr": "ob5656bpa.lbr"
    },
    "distributor_links": {
      "lcsc": "C47120771"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T22:35:42Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 540 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "HV",
        "type": "power_in",
        "description": "High voltage input that supplies the chip from the HV pin; normal operation starts when HV exceeds 30V, and Drain/HV/HVB to GND is rated -0.3V to 500V."
      },
      {
        "number": "2",
        "name": "HVB",
        "type": "bidirectional",
        "description": "High voltage bleeding input; maximum bleeding output current is 60 mA, and HVB to GND is rated -0.3V to 500V."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device; TH, HP, COMP and CS are rated -0.3V to 9V to GND."
      },
      {
        "number": "4",
        "name": "TH",
        "type": "bidirectional",
        "description": "Thermal foldback point setting: 200 kΩ to GND sets the 135 ℃ inflexion point, floating sets 145 ℃, and connecting to GND sets 175 ℃; TH to GND is rated -0.3V to 9V."
      },
      {
        "number": "5",
        "name": "COMP",
        "type": "bidirectional",
        "description": "Loop compensation pin, with a capacitor connected between COMP and GND; COMP to GND is rated -0.3V to 9V."
      },
      {
        "number": "6",
        "name": "HP",
        "type": "bidirectional",
        "description": "High PF setting pin, where an external resistor from HP to GND sets the bleeding current, with suggested resistor values given in the datasheet table; HP to GND is rated -0.3V to 9V."
      },
      {
        "number": "7",
        "name": "CS",
        "type": "bidirectional",
        "description": "Current sense pin, where the LED current is set by a resistor from CS to GND against Vref_CC of 383-395-407 mV (min-typ-max) and a minimum CS voltage of 300 mV; CS to GND is rated -0.3V to 9V."
      },
      {
        "number": "8",
        "name": "Drain",
        "type": "bidirectional",
        "description": "Drain of the internal power MOSFET, rated for BVdss of 500 V with a maximum conductive current of 240 mA at TA=125℃ and VDrain=10V."
      },
      {
        "number": "9",
        "name": "Thermal pad",
        "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 names a thermal pad (suggested to be connected to ground and soldered to a PCB ground ; The HP resistor table in the datasheet is garbled in the extracted text (the rows for output voltage; The TH pin description combines the electrical-characteristics table (TH 200 kΩ to GND = 135 ℃, floa",
          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0381,
        "at": "2026-10-09T22:33:29"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/6aae313e889a62ee65104da69eab5d12.pdf",
        "pages": 8,
        "sha256": "9302b2ad978edb2b",
        "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": "ob5656bpa.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,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ob5656bpa-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,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "7bdbb2c49d636ec72753a7a8d3584ba092b62630b0b9b92ad81b7525e4059396",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "OB On Bright Elec",
      "Package": "ESOP-8",
      "Category": "LED Drivers",
      "Pins": "9"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ob5656bpa"
  ],
  "discovery_pitch": "OB5656BPA (OB On Bright Elec) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ob5656bpa.kicad_sym",
    "ob5656bpa.kicad_mod",
    "ob5656bpa.glb",
    "ob5656bpa.step",
    "ob5656bpa.lbr",
    "docs/hero.png",
    "docs/ob5656bpa-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ob5656bpa-hero.glb",
    "ob5656bpa-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}