TP4065-4.2V-SOT235

{
  "schema_version": 1,
  "type": "component",
  "slug": "tp4065-4-2v-sot235",
  "title": "TP4065-4.2V-SOT235",
  "brief": "TOPPOWER Nanjing Extension Microelectronics TP4065 4 2V SOT235 Battery Management, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "tp4065-4.2v-sot235"
  ],
  "component": {
    "mpn": "TP4065-4.2V-SOT235",
    "manufacturer": "TOPPOWER Nanjing Extension Microelectronics TP4065 4 2V SOT235",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "PMIC",
    "subcategory": "Battery Management",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/edda687e3f7249b1ab0508c2635240e7.pdf",
    "parts": {
      "symbol": "tp4065-4-2v-sot235.kicad_sym",
      "footprint": "tp4065-4-2v-sot235.kicad_mod",
      "model_3d": "tp4065-4-2v-sot235-etched.glb",
      "model_3d_plain": "tp4065-4-2v-sot235.glb",
      "model_3d_step": "tp4065-4-2v-sot235-etched.step",
      "model_3d_step_plain": "tp4065-4-2v-sot235.step",
      "lbr": "tp4065-4-2v-sot235.lbr"
    },
    "distributor_links": {
      "lcsc": "C113540"
    },
    "pins": [
      {
        "number": "1",
        "name": "CHRG",
        "type": "output",
        "description": "Open-drain charge status output. Pulled low by the internal switch while a charge cycle is active; high-impedance otherwise. Drives an indicator LED (typ VOL = 0.7 V at 3 mA sink). Outputs a pulse (0.5-3 s period with 10 uF on BAT) when no battery is connected."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground terminal. Return for VCC, BAT and PROG."
      },
      {
        "number": "3",
        "name": "BAT",
        "type": "power_out",
        "description": "Battery connection pin. Sources the charge current to the Li-ion cell and senses the final float voltage (4.2 V) via an internal resistor divider. Recommended 10 uF bypass to GND. Absolute max current 700 mA; in sleep mode the divider is disconnected and BAT draws < 1 uA."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive input supply. Operating range 4.35 V to 8 V (UVLO rising threshold typ 3.8 V). Bypass with at least 10 uF to GND. When VCC drops within 90 mV of VBAT, the part enters low-power sleep. Absolute max -6.5 V to +8 V (reverse-input protected)."
      },
      {
        "number": "5",
        "name": "PROG",
        "type": "bidirectional",
        "description": "Charge-current program, charge-current monitor and shutdown pin. A 1% resistor RPROG to GND sets IBAT (e.g. 2.1 kΩ -> 500 mA per IBAT = 1050/RPROG for >0.2 A). In constant-current mode PROG regulates to ~1 V; leaving PROG open lets an internal 0.2 uA pull-up drive it above the 2.7 V shutdown threshold, entering shutdown (ICC ~ 75 uA, IBAT < 1 uA). Absolute max pin current 2 mA."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/edda687e3f7249b1ab0508c2635240e7.pdf",
        "pages": 10,
        "sha256": "65cddc07dc66125d",
        "source_tier": "mfr"
      },
      "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.1375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-5@sha256:455a3f7c3e5eb5b8",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "tp4065-4-2v-sot235.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,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tp4065-4-2v-sot235-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,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "a0b2548c15a44084707382f37528f080fa4f862ba152f3245104133e091f4876",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TOPPOWER Nanjing Extension Microelectronics",
      "Package": "SOT-23-5",
      "Category": "PMIC",
      "Pins": "5"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tp4065-4.2v-sot235"
  ],
  "discovery_pitch": "TP4065-4.2V-SOT235 (TOPPOWER Nanjing Extension Microelectronics TP4065 4 2V SOT235) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tp4065-4-2v-sot235.kicad_sym",
    "tp4065-4-2v-sot235.kicad_mod",
    "tp4065-4-2v-sot235.glb",
    "tp4065-4-2v-sot235.step",
    "tp4065-4-2v-sot235-etched.step",
    "tp4065-4-2v-sot235.lbr",
    "docs/hero.png",
    "docs/tp4065-4-2v-sot235-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "TP4065-4.2V-SOT235",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T11:21:02.363Z"
}