XP4302

{
  "schema_version": 1,
  "type": "component",
  "slug": "xp4302",
  "title": "XP4302",
  "brief": "Shenzhen Fuman Battery Management, ESOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "xp4302"
  ],
  "component": {
    "mpn": "XP4302",
    "manufacturer": "Shenzhen Fuman",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "PMIC",
    "subcategory": "Battery Management",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f5ee0a77ea4e9accf077e2fac8c579ad.pdf",
    "parts": {
      "symbol": "xp4302.kicad_sym",
      "footprint": "xp4302.kicad_mod",
      "model_3d": "xp4302-etched.glb",
      "model_3d_plain": "xp4302.glb",
      "model_3d_step": "xp4302-etched.step",
      "model_3d_step_plain": "xp4302.step",
      "lbr": "xp4302.lbr"
    },
    "distributor_links": {
      "lcsc": "C19818855"
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Charger power input. Recommended operating range 4.6V to 5.5V (typ. 5V); VIN UVLO ~4.6V rising / 4.4V falling; VIN OVP ~5.6V; absolute max 8V. Bypass with >=10uF (20uF recommended)."
      },
      {
        "number": "2",
        "name": "LED1",
        "type": "output",
        "description": "Charge status indicator 1 (open-drain style LED driver). ON while charging (trickle/CC/CV), OFF when charging is complete. Blinks on OTP or NTC out-of-range fault. May be left floating if unused."
      },
      {
        "number": "3",
        "name": "LED2",
        "type": "output",
        "description": "Charge status indicator 2. OFF while charging, ON when charge is complete (full). May be left floating if unused."
      },
      {
        "number": "4",
        "name": "VSET",
        "type": "input",
        "description": "Battery full-charge (regulation) voltage set pin. Default connection: tie to GND for the standard 4.2V full-charge voltage."
      },
      {
        "number": "5",
        "name": "NTC",
        "type": "input",
        "description": "Battery temperature sense input. Internal ~70k pull-up to VIN forms a divider with an external 100k NTC (25 degC) in parallel with 300k; charging halts when VNTC > 70%*VIN or < 30%*VIN. Tie to a 75k resistor to GND to disable NTC; must not be left floating."
      },
      {
        "number": "6",
        "name": "BAT",
        "type": "power_out",
        "description": "Battery connection / voltage feedback input. Charges single-cell Li-ion to 4.2V (VBAT_FULL), 3.95V recharge threshold, 104%*VBAT OVP. Bypass with >=10uF."
      },
      {
        "number": "7",
        "name": "SEN",
        "type": "input",
        "description": "Charge current sense input. Connects to the high side of an external ~5 mOhm sense resistor between the buck inductor/output cap node and BAT for closed-loop current regulation (2A CC)."
      },
      {
        "number": "8",
        "name": "SW",
        "type": "output",
        "description": "Synchronous buck switch node. Connect to a 10uH inductor to the SEN/output capacitor node. Internal high-side (~60 mOhm) and low-side (~70 mOhm) MOSFETs, 750 kHz fixed switching frequency."
      },
      {
        "number": "9",
        "name": "GND (Power Pad)",
        "type": "power_in",
        "description": "Exposed thermal/power ground pad on the bottom of the ESOP-8 package. Must be soldered to the PCB ground plane for proper electrical return and thermal dissipation (RthetaJA ~42 degC/W)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/f5ee0a77ea4e9accf077e2fac8c579ad.pdf",
        "pages": 10,
        "sha256": "515ad9c2d6efcde2",
        "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"
    },
    "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": "xp4302.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "xp4302-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": "c7d6145613a67df59f55de630a1939092a9b4a67b61ea9fcd32ee9e1aeeb3efe",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shenzhen Fuman",
      "Package": "ESOP-8",
      "Category": "PMIC",
      "Pins": "9"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "xp4302"
  ],
  "discovery_pitch": "XP4302 (Shenzhen Fuman) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "xp4302.kicad_sym",
    "xp4302.kicad_mod",
    "xp4302.glb",
    "xp4302.step",
    "xp4302.lbr",
    "docs/hero.png",
    "docs/xp4302-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "xp4302-etched.step"
  ],
  "updated_at": "2026-09-25T14:38:26.319Z"
}