FH4056C

{
  "slug": "fh4056c",
  "version": "0.1.0",
  "type": "component",
  "description": "鑫飞宏 Battery Management, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "fh4056c",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "fh4056c.kicad_sym",
    "fh4056c.kicad_mod",
    "fh4056c.glb",
    "fh4056c.step",
    "fh4056c.lbr",
    "docs/hero.png",
    "docs/fh4056c-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "fh4056c-hero.glb",
    "fh4056c-hero.overlay.json",
    "fh4056c-etched.glb"
  ],
  "component": {
    "mpn": "FH4056C",
    "manufacturer": "鑫飞宏",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590925252430016512",
    "parts": {
      "symbol": "fh4056c.kicad_sym",
      "footprint": "fh4056c.kicad_mod",
      "model_3d": "fh4056c-hero.glb",
      "model_3d_plain": "fh4056c-etched.glb",
      "model_3d_step": "fh4056c-etched.step",
      "model_3d_step_plain": "fh4056c.step",
      "lbr": "fh4056c.lbr"
    },
    "distributor_links": {
      "lcsc": "C19273261"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T07:17:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No-connect pin (空脚) with no internal function."
      },
      {
        "number": "2",
        "name": "PROG",
        "type": "bidirectional",
        "description": "Sets the constant charge current through a resistor to GND (RPROG) and monitors the charge current through the voltage on this pin."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the charger."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Power input pin; charging operates with VCC from 4.25 V to 6.0 V (typical 5.0 V), and the VCC undervoltage lockout threshold is 3.7 V on a rising VCC."
      },
      {
        "number": "5",
        "name": "BAT",
        "type": "power_out",
        "description": "Charge current output to the battery; the BAT pin absolute maximum is -0.3 V to 7.0 V and the recommended continuous charge current is 600 mA."
      },
      {
        "number": "6",
        "name": "POK",
        "type": "output",
        "description": "Open-drain output indicating charge completion and power status; it is pulled low when charging is complete."
      },
      {
        "number": "7",
        "name": "CHRG",
        "type": "output",
        "description": "Open-drain output indicating charge status; it is pulled low while charging and high-impedance in other states."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No-connect pin (空脚) with no internal function."
      },
      {
        "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 exposed pad is printed as 'EP' in the datasheet pin table rather than a numbered pin. It is incl; Pin types are inferred from the datasheet function text. PROG is typed bidirectional because it both; The datasheet describes only the ESOP-8 (exposed pad) package for FH4056C, so the pinout is for that",
          "exposed pad 9 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0391,
        "at": "2026-10-17T07:16:06"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590925252430016512",
        "pages": 7,
        "sha256": "cc680653a43a8331",
        "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": "fh4056c.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": "fh4056c-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": "062cde1d3d589a568fe0bbc58810d54a621234b21c810297b5a6b97085b42255",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}