OB2506NCP

{
  "slug": "ob2506ncp",
  "version": "0.1.0",
  "type": "component",
  "description": "OB(On-Bright Elec) Battery Management ICs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "ob2506ncp",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ob2506ncp.kicad_sym",
    "ob2506ncp.kicad_mod",
    "ob2506ncp.glb",
    "ob2506ncp.step",
    "ob2506ncp.lbr",
    "docs/hero.png",
    "docs/ob2506ncp-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ob2506ncp-hero.glb",
    "ob2506ncp-hero.overlay.json",
    "ob2506ncp-etched.glb"
  ],
  "component": {
    "mpn": "OB2506NCP",
    "manufacturer": "OB(On-Bright Elec)",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management ICs",
    "subcategory": "Battery Management ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/71bd382e1ec844f4b6f72967228eb75d.pdf",
    "parts": {
      "symbol": "ob2506ncp.kicad_sym",
      "footprint": "ob2506ncp.kicad_mod",
      "model_3d": "ob2506ncp-hero.glb",
      "model_3d_plain": "ob2506ncp-etched.glb",
      "model_3d_step": "ob2506ncp-etched.step",
      "model_3d_step_plain": "ob2506ncp.step",
      "lbr": "ob2506ncp.lbr"
    },
    "distributor_links": {
      "lcsc": "C138836"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T12:31:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "FB",
        "type": "input",
        "description": "Feedback input pin; the PWM duty cycle is determined by the voltage level into this pin and the current-sense signal at CS (5V open loop voltage, 15kΩ internal pull-up)."
      },
      {
        "number": "2",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply pin with recommended operating range 8 to 25V, UVLO exit 18.2V typ and enter 7.0V typ, absolute maximum 28V."
      },
      {
        "number": "3",
        "name": "AUX",
        "type": "input",
        "description": "Voltage feedback from the auxiliary winding via a resistor divider reflecting output voltage, with output OVP threshold of 3.0V typ and absolute maximum of 7V."
      },
      {
        "number": "4",
        "name": "CS",
        "type": "input",
        "description": "Current sense input where external sense resistor Rs sets the CC point and output power, with 300ns leading edge blanking and absolute maximum of 7V."
      },
      {
        "number": "5",
        "name": "Drain",
        "type": "passive",
        "description": "Drain of the internal 600V power MOSFET (Rdson 8Ω for OB2506N), connected to pin 6."
      },
      {
        "number": "6",
        "name": "Drain",
        "type": "passive",
        "description": "Drain of the internal 600V power MOSFET (Rdson 8Ω for OB2506N), connected to pin 5."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet lists Drain as output (O) in the terminal table. I set it to passive because it is the; The pin table has one row each for Drain and GND. The pin-configuration drawing shows two pins for e",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 10,
        "cost_usd": 0.3391,
        "at": "2026-10-31T12:31:41"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/71bd382e1ec844f4b6f72967228eb75d.pdf",
        "pages": 10,
        "sha256": "d0f66623d2b810db",
        "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": "ob2506ncp.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": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ob2506ncp-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": "6fa72e34ad0fa77282d869a7e63c2db5f5ae510143af1c7b88b43d20eb0ce98c",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SOP8",
      "source_page": 8,
      "D": {
        "nom_mm": 4.925,
        "range_mm": [
          4.7,
          5.15
        ]
      },
      "E1": {
        "nom_mm": 3.9,
        "range_mm": [
          3.8,
          4.0
        ]
      },
      "E": {
        "nom_mm": 6.0,
        "range_mm": [
          5.8,
          6.2
        ]
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.55,
        "range_mm": [
          1.35,
          1.75
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "ob2506ncp.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}