TP4056

{
  "schema_version": 1,
  "type": "component",
  "slug": "tp4056",
  "title": "TP4056",
  "brief": "UMW Battery Management, ESOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "tp4056"
  ],
  "component": {
    "mpn": "TP4056",
    "manufacturer": "UMW",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "PMIC",
    "subcategory": "Battery Management",
    "datasheet": "docs/tp4056-datasheet.pdf",
    "parts": {
      "symbol": "tp4056.kicad_sym",
      "footprint": "tp4056.kicad_mod",
      "model_3d": "tp4056-etched.glb",
      "model_3d_plain": "tp4056.glb",
      "model_3d_step": "tp4056-etched.step",
      "model_3d_step_plain": "tp4056.step",
      "lbr": "tp4056.lbr"
    },
    "distributor_links": {
      "lcsc": "C725790"
    },
    "pins": [
      {
        "number": "1",
        "name": "TEMP",
        "type": "input",
        "description": "Battery temperature detection (NTC) input. Connect to the midpoint of an NTC divider between VCC and GND to enable battery temperature monitoring; tie to GND to disable temperature sensing. Absolute maximum voltage -0.3 to 6.5 V."
      },
      {
        "number": "2",
        "name": "PROG",
        "type": "passive",
        "description": "Programmable constant-current charging current setting terminal. Connect a resistor (RPROG) from PROG to GND to set the fast-charge current (e.g. RPROG=1.2k -> ~1000mA, RPROG=2.4k -> ~500mA). Also serves as a charge-current monitor output. Max terminal current 1.2 mA."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return. Connect to system ground; also serves as the exposed-pad thermal return for the ESOP-8 package."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply input (from USB or adapter). Operating range 4 V to 6.5 V; absolute maximum -0.3 to 6.5 V. Bypass with a >=10uF ceramic capacitor to GND."
      },
      {
        "number": "5",
        "name": "BAT",
        "type": "power_out",
        "description": "Battery charging output. Connects to the positive terminal of the single-cell Li-ion battery; float voltage is regulated to 4.2 V (+/-1%). Maximum sink/source current 1.2 A. Automatic recharge and reverse-connection protection are provided."
      },
      {
        "number": "6",
        "name": "STDBY",
        "type": "output",
        "description": "Open-drain charge-complete (standby) status indicator (active-low, name is overlined in the datasheet). Pulled low when charging has terminated and the part is in standby; high-impedance otherwise. Absolute maximum terminal voltage -0.3 to 8 V; typically drives an indicator LED to VCC through a series resistor."
      },
      {
        "number": "7",
        "name": "CHRG",
        "type": "output",
        "description": "Open-drain charging-in-progress status indicator (active-low, name is overlined in the datasheet). Pulled low while a charge cycle is in progress; high-impedance otherwise. Absolute maximum terminal voltage -0.3 to 8 V; typically drives an indicator LED to VCC through a series resistor."
      },
      {
        "number": "8",
        "name": "CE",
        "type": "input",
        "description": "Chip enable input (active-high). Drive high to enable charging; drive low to place the chip in shutdown (quiescent current drops to ~35uA). Absolute maximum voltage -0.3 to 6.5 V."
      },
      {
        "number": "9",
        "name": "EXPOSED PAD",
        "type": "power_in",
        "description": "Exposed thermal pad. Present in the package land pattern; connect it per the manufacturer datasheet thermal recommendation. Added because the footprint carries this pad and the symbol had no pin for it.",
        "source": "derived-from-footprint"
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "docs/tp4056-datasheet.pdf",
        "pages": 18,
        "sha256": "5b6992aca386df8b",
        "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"
    },
    "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UMW",
      "Package": "ESOP-8",
      "Category": "PMIC",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tp4056"
  ],
  "discovery_pitch": "TP4056 (UMW) 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",
    "tp4056.kicad_sym",
    "tp4056.kicad_mod",
    "tp4056.glb",
    "tp4056.step",
    "tp4056-etched.step",
    "tp4056.lbr",
    "docs/hero.png",
    "docs/tp4056-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ]
}