FBC4056YESOP8G

{
  "schema_version": 1,
  "type": "component",
  "slug": "fbc4056yesop8g",
  "title": "FBC4056YESOP8G",
  "brief": "Full Way Battery Management, ESOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "fbc4056yesop8g"
  ],
  "component": {
    "mpn": "FBC4056YESOP8G",
    "manufacturer": "Full Way",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "PMIC",
    "subcategory": "Battery Management",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/07b4fd5b8f6dbb2ae12274d9efa71187.pdf",
    "parts": {
      "symbol": "fbc4056yesop8g.kicad_sym",
      "footprint": "fbc4056yesop8g.kicad_mod",
      "model_3d": "fbc4056yesop8g-etched.glb",
      "model_3d_plain": "fbc4056yesop8g.glb",
      "model_3d_step": "fbc4056yesop8g-etched.step",
      "model_3d_step_plain": "fbc4056yesop8g.step",
      "lbr": "fbc4056yesop8g.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "TS",
        "type": "input",
        "description": "Battery temperature sense/protection input. Connect through an external NTC thermistor and pull-up divider to VCC. Chip suspends charging when V(TS) is outside the OTPL=45%*VCC to OTPH=80%*VCC window. Tie TS to GND to disable the temperature protection function."
      },
      {
        "number": "2",
        "name": "PROG",
        "type": "input",
        "description": "Charge-current program pin. A resistor R_PROG from PROG to GND sets the constant-current charge current: I_BAT = 1000V / R_PROG (minimum R_PROG = 0.8 kOhm). V(PROG) is regulated to 1V in constant-current mode and 0.1V in trickle-charge mode; used internally for C/10 charge termination detection."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Power/signal ground return for the charger."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Charger positive supply input, typically 4.5V-5.5V (5V nominal, 8V absolute max). Bypass with 2.2uF to GND. Charging starts only when VCC is above the UVLO threshold (~3.73V rising) and at least 144mV above V(BAT); the part enters low-power sleep mode when VCC falls below UVLO or within 94mV of V(BAT)."
      },
      {
        "number": "5",
        "name": "VBAT",
        "type": "power_out",
        "description": "Battery positive terminal. Supplies up to 1000mA charge current and regulates to 4.2V float voltage. In standby or with VCC absent, leakage from this pin is <3uA. Automatic re-charge cycle starts when V(BAT) falls below ~4.0V (float minus 210mV)."
      },
      {
        "number": "6",
        "name": "STDBY",
        "type": "output",
        "description": "Charge-complete (standby) status indicator, open-drain. Pulled low (V_OL <= 0.3V at 5mA) when charging has terminated to illuminate the 'done' LED; high-impedance while charging is in progress."
      },
      {
        "number": "7",
        "name": "CHRG",
        "type": "output",
        "description": "Charge-in-progress status indicator, open-drain. Pulled low (V_OL <= 0.3V at 5mA) while the battery is charging; high-impedance when charging is complete. If no battery is connected the pin blinks to indicate a missing/poor battery connection. Leave floating or tie to GND if unused."
      },
      {
        "number": "8",
        "name": "CE",
        "type": "input",
        "description": "Chip enable. Tie to VCC (or leave floating) for normal charging operation; tie to GND to disable the charger. Absolute range -0.3V to 8V."
      },
      {
        "number": "9",
        "name": "EXPOSED PAD",
        "type": "power_in",
        "description": "Exposed thermal pad. Present in the package land pattern; connect it per the manufacturer datasheet thermal recommendation. Added because the footprint carries this pad and the symbol had no pin for it.",
        "source": "derived-from-footprint"
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/07b4fd5b8f6dbb2ae12274d9efa71187.pdf",
        "pages": 9,
        "sha256": "1becd0512c73fc8f",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm@sha256:5848244c5e72002e",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "fbc4056yesop8g.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "fbc4056yesop8g-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": "f0257835eab45aead38dc987306743e60595b2c64f06f446c273f2f24bede180",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Full Way",
      "Package": "ESOP-8",
      "Category": "PMIC",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "fbc4056yesop8g"
  ],
  "discovery_pitch": "FBC4056YESOP8G (Full Way) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "fbc4056yesop8g.kicad_sym",
    "fbc4056yesop8g.kicad_mod",
    "fbc4056yesop8g.glb",
    "fbc4056yesop8g.step",
    "fbc4056yesop8g-etched.step",
    "fbc4056yesop8g.lbr",
    "docs/hero.png",
    "docs/fbc4056yesop8g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "variants": [
    {
      "mpn": "FBC4056YESOP8G",
      "kind": "packaging"
    },
    {
      "mpn": "FBC4056YESOP8G/TR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T20:31:21.205Z"
}