CL4057A

{
  "slug": "cl4057a",
  "version": "0.1.0",
  "type": "component",
  "description": "ChipLink Tech Battery Management ICs, SOT-23-6. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "cl4057a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cl4057a.kicad_sym",
    "cl4057a.kicad_mod",
    "cl4057a.glb",
    "cl4057a.step",
    "cl4057a.lbr",
    "docs/hero.png",
    "docs/cl4057a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "CL4057A",
    "manufacturer": "ChipLink Tech",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "Power Supply Chip",
    "subcategory": "Battery Management ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589838644388126720",
    "parts": {
      "symbol": "cl4057a.kicad_sym",
      "footprint": "cl4057a.kicad_mod",
      "model_3d": "cl4057a-etched.glb",
      "model_3d_plain": "cl4057a.glb",
      "model_3d_step": "cl4057a-etched.step",
      "model_3d_step_plain": "cl4057a.step",
      "lbr": "cl4057a.lbr"
    },
    "distributor_links": {
      "lcsc": "C2935410"
    },
    "pins": [
      {
        "number": "1",
        "name": "CHRG",
        "type": "tri_state",
        "description": "Open-drain charging status indicator output; pulled low during active charging, otherwise high-impedance."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground terminal."
      },
      {
        "number": "3",
        "name": "BAT",
        "type": "power_out",
        "description": "Battery terminal providing up to 500mA constant-current charging at 4.24V ±1% regulated float voltage."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply input with required operating range 4.0V to 6.5V."
      },
      {
        "number": "5",
        "name": "STDBY",
        "type": "tri_state",
        "description": "Open-drain charging completion indicator output; pulled low when charging complete, otherwise high-impedance."
      },
      {
        "number": "6",
        "name": "PROG",
        "type": "input",
        "description": "Programming resistor to ground connection for setting charging current via voltage monitoring at 0.93V to 1.07V during constant-current charging."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 9,
        "cost_usd": 0.124,
        "at": "2026-09-17T22:13:16"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589838644388126720",
        "pages": 9,
        "sha256": "9bec72c291d3c199",
        "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": "cl4057a.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cl4057a-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": "87b0416df07ba0e5bc2ea81021a7a17def1462fda95271a8f2bec7febfa938c5",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}