FH4056C

{
  "schema_version": 1,
  "type": "component",
  "slug": "fh4056c",
  "title": "FH4056C",
  "brief": "鑫飞宏 Battery Management, 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",
    "power management (pmic)",
    "fh4056c",
    "factory-2.0.0",
    "extractor-text"
  ],
  "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": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
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        "zmin_mm": 0,
        "centre_offset_mm": 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": [
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        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "062cde1d3d589a568fe0bbc58810d54a621234b21c810297b5a6b97085b42255",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "鑫飞宏",
      "Package": "ESOP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "9"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "cc680653a43a833103a90997342cd137dd40019dcad4f3d262765a26083a7d6c",
      "rows": [
        {
          "name": "Input supply charge voltage range",
          "symbol": "VCC",
          "kind": "electrical",
          "unit": "V",
          "min": 4.25,
          "typ": 5,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Constant voltage output (float) voltage",
          "symbol": "VFLOAT",
          "kind": "electrical",
          "unit": "V",
          "min": 4.158,
          "typ": 4.2,
          "max": 4.242,
          "conditions": "IBAT = 30mA, ICHRG=5 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Trickle charge hysteresis voltage",
          "symbol": "VTRHYS",
          "kind": "electrical",
          "unit": "mV",
          "min": 150,
          "typ": 250,
          "max": 300,
          "conditions": "RPROG = 10K",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VCC undervoltage lockout hysteresis voltage",
          "symbol": "VUVHYS",
          "kind": "electrical",
          "unit": "mV",
          "min": 150,
          "typ": 200,
          "max": 300,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Standby mode BAT pin current",
          "symbol": "IBAT",
          "kind": "electrical",
          "unit": "μA",
          "min": 0,
          "typ": -2.5,
          "max": -6,
          "conditions": "Standby mode, VBAT = 4.2V",
          "source_page": 3,
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        {
          "name": "Sleep mode BAT pin current",
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        {
          "name": "Shutdown mode BAT pin current",
          "symbol": "IBAT",
          "kind": "electrical",
          "unit": "μA",
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          "typ": null,
          "max": 2,
          "conditions": "Shutdown mode (RPROG not connected)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Charge mode supply current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 150,
          "max": 500,
          "conditions": "Charge mode, RPROG = 10K",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Standby mode supply current (charge terminated)",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 40,
          "max": 80,
          "conditions": "Standby mode (charge terminated)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Shutdown mode supply current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 30,
          "max": 60,
          "conditions": "Shutdown mode (RPROG not connected, VCC<VBAT, VCC<VUV)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "CHRG pin output low voltage",
          "symbol": "VCHRG",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.2,
          "max": 0.6,
          "conditions": "ICHRG = 5mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "POK pin output low voltage",
          "symbol": "VPOK",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.2,
          "max": 0.6,
          "conditions": "IPOK = 5mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VCC-VBAT lockout threshold voltage (rising)",
          "symbol": "VASD",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "VCC low to high",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VCC-VBAT lockout threshold voltage (falling)",
          "symbol": "VASD",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "VCC high to low",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "BAT pin current, constant current mode (RPROG = 1K)",
          "symbol": "IBAT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1000,
          "max": null,
          "conditions": "RPROG = 1K, constant current mode",
          "source_page": 3,
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        },
        {
          "name": "BAT pin current, constant current mode (RPROG = 2K)",
          "symbol": "IBAT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 500,
          "max": null,
          "conditions": "RPROG = 2K, constant current mode",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Trickle charge current",
          "symbol": "ITRIKL",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "VBAT < VTRIKL, RPROG = 1K",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Trickle charge threshold voltage",
          "symbol": "VTRIKL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2.9,
          "max": null,
          "conditions": "RPROG = 10K, VBAT rising",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VCC undervoltage lockout threshold voltage",
          "symbol": "VUV",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 3.7,
          "max": null,
          "conditions": "VCC low to high",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "C/10 termination current threshold",
          "symbol": "ITERM",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "RPROG = 1K",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "PROG pin voltage",
          "symbol": "VPROG",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.85,
          "max": null,
          "conditions": "RPROG = 1K, constant current mode",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Recharge battery threshold voltage",
          "symbol": "∆VRECHRG",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "VFLOAT - VRECHRG",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature in thermal limit mode",
          "symbol": "TLIM",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 120,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power FET ON resistance",
          "symbol": "RON",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 500,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Soft-start time",
          "symbol": "tSS",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "IBAT = 0 to IBAT =1000V/RPROG",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Recharge comparator filter time",
          "symbol": "tRECHARGE",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "VBAT high to low",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Termination comparator filter time",
          "symbol": "tTERM",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "IBAT falls to ICHG/10",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "PROG pin pull-up current",
          "symbol": "IPROG",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.85,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Manual shutdown threshold voltage (rising)",
          "symbol": "VMSD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.1,
          "max": null,
          "conditions": "PROG pin level rising",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Manual shutdown threshold voltage (falling)",
          "symbol": "VMSD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.9,
          "max": null,
          "conditions": "PROG pin level falling",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage (VCC) recommended operating range",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Continuous charge current",
          "symbol": "IBAT",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 600,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VCC pin voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "BAT pin voltage",
          "symbol": "VBAT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Other pins voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD MM (machine model)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "MM",
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        {
          "name": "ESD CDM (charged device model)",
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          "conditions": "CDM",
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        {
          "name": "Operating temperature range",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESOP-8 junction-to-ambient thermal resistance",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "ESOP-8",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESOP-8 junction-to-case thermal resistance",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "ESOP-8",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
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    "name": "Ray",
    "email": "[email protected]"
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