SK4054S5-42

{
  "slug": "sk4054s5-42",
  "version": "0.1.0",
  "type": "component",
  "description": "Suntek Battery Management, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "sk4054s5-42",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sk4054s5-42.kicad_sym",
    "sk4054s5-42.kicad_mod",
    "sk4054s5-42.glb",
    "sk4054s5-42.step",
    "sk4054s5-42.lbr",
    "docs/hero.png",
    "docs/sk4054s5-42-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sk4054s5-42-hero.glb",
    "sk4054s5-42-hero.overlay.json",
    "sk4054s5-42-etched.glb"
  ],
  "component": {
    "mpn": "SK4054S5-42",
    "manufacturer": "Suntek",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589784807346634752",
    "parts": {
      "symbol": "sk4054s5-42.kicad_sym",
      "footprint": "sk4054s5-42.kicad_mod",
      "model_3d": "sk4054s5-42-hero.glb",
      "model_3d_plain": "sk4054s5-42-etched.glb",
      "model_3d_step": "sk4054s5-42-etched.step",
      "model_3d_step_plain": "sk4054s5-42.step",
      "lbr": "sk4054s5-42.lbr"
    },
    "distributor_links": {
      "lcsc": "C2986186"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T07:48:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CHRG",
        "type": "output",
        "description": "Open-drain charge status output that uses a strong pull-down (~10mA) during a charge cycle, a weak ~20µA pull-down after termination, and goes high-impedance in undervoltage lockout."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the charger."
      },
      {
        "number": "3",
        "name": "BAT",
        "type": "power_out",
        "description": "Charge current output to the battery, delivering up to 500mA in constant-current mode and regulating to a 4.2V float voltage."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive input supply; operating range 4.25V to 6.5V, with absolute maximum input voltage of 10V and undervoltage lockout threshold of about 3.8V."
      },
      {
        "number": "5",
        "name": "PROG",
        "type": "bidirectional",
        "description": "Charge current program, monitor and shutdown pin: a 1% resistor to ground sets the charge current (1000 times the PROG current), PROG voltage is 1.0V at 10k in current mode, and floating the pin enters shutdown."
      }
    ],
    "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: Pin numbers, names and functions are from the datasheet pin description table (page 2) for SOT23-5, "
        ],
        "pages_sent": 12,
        "cost_usd": 0.0586,
        "at": "2026-10-19T07:45:42"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589784807346634752",
        "pages": 12,
        "sha256": "cf2e011f5cbc1c87",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "sk4054s5-42.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sk4054s5-42-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ec3d52c18450625a7067856558910b55b911b8805a41c732feaf7be4ff87c7e1",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}