SL4057

{
  "slug": "sl4057",
  "version": "0.1.0",
  "type": "component",
  "description": "Slkor SLKORMICRO Elec Battery Management, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "sl4057",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sl4057.kicad_sym",
    "sl4057.kicad_mod",
    "sl4057.glb",
    "sl4057.step",
    "sl4057.lbr",
    "docs/hero.png",
    "docs/sl4057-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sl4057-hero.glb",
    "sl4057-hero.overlay.json",
    "sl4057-etched.glb"
  ],
  "component": {
    "mpn": "SL4057",
    "manufacturer": "Slkor SLKORMICRO Elec",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590225447549509632",
    "parts": {
      "symbol": "sl4057.kicad_sym",
      "footprint": "sl4057.kicad_mod",
      "model_3d": "sl4057-hero.glb",
      "model_3d_plain": "sl4057-etched.glb",
      "model_3d_step": "sl4057-etched.step",
      "model_3d_step_plain": "sl4057.step",
      "lbr": "sl4057.lbr"
    },
    "distributor_links": {
      "lcsc": "C2980830"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T06:10:48Z",
      "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 is pulled low while charging, is high-impedance in other states, and flashes at about 20 Hz when no battery is connected (with a 1 µF capacitor on BAT)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the device; the PROG charge-current resistor is connected between PROG and this pin."
      },
      {
        "number": "3",
        "name": "BAT",
        "type": "bidirectional",
        "description": "Battery connection that delivers the charge current (BAT current rated at 500 mA) and regulates the float voltage at 4.24 V ±1%, with an absolute maximum voltage of 6.5 V."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Input supply pin with an operating range of 4.0 V to 6.5 V; the charger stays in shutdown until VCC rises above the UVLO threshold of about 3.8 V (200 mV typical hysteresis)."
      },
      {
        "number": "5",
        "name": "STDBY",
        "type": "output",
        "description": "Open-drain charge-complete output that is pulled low when charging terminates and is high-impedance in other states, with an absolute maximum voltage of 8 V."
      },
      {
        "number": "6",
        "name": "PROG",
        "type": "passive",
        "description": "Charge-current programming pin: a resistor to GND sets the constant charge current (for example 2 kΩ gives 500 mA and 10 kΩ gives about 100 mA), with 1.0 V on PROG in constant-current mode and an absolute maximum of 6.5 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 pin numbering was taken from the pin-description table on page 2. The physical pin layout diagra; The datasheet gives no pin type classification. The KiCad types for BAT (bidirectional), PROG (passi; The datasheet's Chinese source text is translated into English; the description limits are copied fr"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0361,
        "at": "2026-10-17T06:10:28"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590225447549509632",
        "pages": 8,
        "sha256": "903b652d222876ff",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "sl4057.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": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sl4057-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": "01c95682a07f1e1523202281ee9047a0594b50a32c16ef548375fd0d0e78d95a",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}