WSP4056

{
  "slug": "wsp4056",
  "version": "0.1.0",
  "type": "component",
  "description": "Winsok Semicon Battery Management, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "wsp4056",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "wsp4056.kicad_sym",
    "wsp4056.kicad_mod",
    "wsp4056.glb",
    "wsp4056.step",
    "wsp4056.lbr",
    "docs/hero.png",
    "docs/wsp4056-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "wsp4056-hero.glb",
    "wsp4056-hero.overlay.json",
    "wsp4056-etched.glb"
  ],
  "component": {
    "mpn": "WSP4056",
    "manufacturer": "Winsok Semicon",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590225475579637760",
    "parts": {
      "symbol": "wsp4056.kicad_sym",
      "footprint": "wsp4056.kicad_mod",
      "model_3d": "wsp4056-hero.glb",
      "model_3d_plain": "wsp4056-etched.glb",
      "model_3d_step": "wsp4056-etched.step",
      "model_3d_step_plain": "wsp4056.step",
      "lbr": "wsp4056.lbr"
    },
    "distributor_links": {
      "lcsc": "C2985892"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T18:21:37Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TEMP",
        "type": "input",
        "description": "Battery temperature sense input connected to the battery NTC; charging is suspended if TEMP is below 45% or above 80% of Vcc, and tying TEMP to GND disables the temperature monitoring."
      },
      {
        "number": "2",
        "name": "PROG",
        "type": "passive",
        "description": "Constant-charge-current program and monitor pin: an external resistor to GND sets IBAT = VPROG/RPROG x 1330, with VPROG held at 0.1 V in precharge and 1 V in constant-current mode."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground."
      },
      {
        "number": "4",
        "name": "Vcc",
        "type": "power_in",
        "description": "Positive input supply (4.0 V to 8.0 V, 5 V typical) that powers the internal circuits; the part enters low-power shutdown when Vcc is within 30 mV of BAT."
      },
      {
        "number": "5",
        "name": "BAT",
        "type": "power_out",
        "description": "Battery connection that supplies the charge current and the 4.2 V regulated float voltage; BAT leakage is below 2 uA when the charger is disabled or in sleep mode."
      },
      {
        "number": "6",
        "name": "STDBY",
        "type": "output",
        "description": "Open-drain charge-complete indicator that is pulled low by an internal switch when charging is complete and is otherwise high-impedance."
      },
      {
        "number": "7",
        "name": "CHRG",
        "type": "output",
        "description": "Open-drain charge-status output that is pulled low while the charger is charging and is otherwise high-impedance."
      },
      {
        "number": "8",
        "name": "CE",
        "type": "input",
        "description": "Chip enable input: a logic high puts the charger in normal operation and a logic low disables charging; it can be driven by TTL or CMOS levels (VCE-H min 1.2 V, VCE-L max 0.6 V)."
      }
    ],
    "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 SOP-8 package drawing on page 11 has no extractable pin text. The pin list comes from the pin-fu; The datasheet says the package is shared between SOP-8 and MSOP-8 and does not separately state a pi; Pin types for PROG (passive), BAT (power_out) and TEMP (input) are inferred from the functional desc"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0571,
        "at": "2026-10-18T18:19:51"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590225475579637760",
        "pages": 12,
        "sha256": "0becf3da9cad23ad",
        "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": "wsp4056.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": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "wsp4056-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": "6f07c0d6d843045008b072e2fc0783e4c8eaddc76d5c5505dd4587670b914479",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}