TP4333

{
  "schema_version": 1,
  "type": "component",
  "slug": "tp4333",
  "title": "TP4333",
  "brief": "TPOWER Battery Management, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "tp4333"
  ],
  "component": {
    "mpn": "TP4333",
    "manufacturer": "TPOWER",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "PMIC",
    "subcategory": "Battery Management",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a5dbfe32aa5823d28cc59f4c576e1318.pdf",
    "parts": {
      "symbol": "tp4333.kicad_sym",
      "footprint": "tp4333.kicad_mod",
      "model_3d": "tp4333-etched.glb",
      "model_3d_plain": "tp4333.glb",
      "model_3d_step": "tp4333-etched.step",
      "model_3d_step_plain": "tp4333.step",
      "lbr": "tp4333.lbr"
    },
    "distributor_links": {
      "lcsc": "C382128"
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "power_out",
        "description": "Boost output positive terminal and output-voltage sense input. Delivers regulated 5V (4.8-5.2V) at up to 1A to the USB load; requires low-ESR ceramic bulk cap (typ. 10uF x2) close to the pin."
      },
      {
        "number": "2",
        "name": "BAT",
        "type": "bidirectional",
        "description": "Li-ion battery positive terminal. Charge current is delivered here in charge mode (0.8A CC, 100mA trickle) and battery energy is drawn from here in boost/discharge mode. Discharge cut-off 2.85V, low-battery warning 3.0V, boost start-up 3.2V."
      },
      {
        "number": "3",
        "name": "SW",
        "type": "power_out",
        "description": "Drain of the internal boost-converter power NMOS (switch node). Connect the 1.5uH boost inductor between BAT and SW; inductor saturation current must exceed 3A. Boost switching frequency 0.7-1.3 MHz (typ. 1 MHz)."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Chip ground reference. Connect to a large-area ground pour; return currents for both the boost inductor and output cap should terminate at this pin."
      },
      {
        "number": "5",
        "name": "SWT",
        "type": "bidirectional",
        "description": "Combined push-button input and torch-LED driver. Short-press displays battery capacity via LEDs; long-press 2s toggles the flashlight LED (max drive current 50mA). Add a 100k pull-up from BAT to SWT if the LED leakage below 1.5V exceeds 1uA."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Charging power input. Recommended operating range 4.5-5.5V (absolute 4.3-5.5V); accepts 5V USB source. Undervoltage lockout at VDD-VBAT = 180mV rising / 80mV falling."
      },
      {
        "number": "7",
        "name": "LED2",
        "type": "output",
        "description": "Discharge-indicator LED driver (open-drain sink, ~2mA at BAT=4V). Solid ON during normal discharge; blinks at 1Hz as a low-battery warning when VBAT falls below 3.0V."
      },
      {
        "number": "8",
        "name": "LED1",
        "type": "output",
        "description": "Charge-indicator LED driver (open-drain sink, ~2mA at BAT=4V). Blinks at 1Hz during charging and turns solid ON when the battery is fully charged."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/a5dbfe32aa5823d28cc59f4c576e1318.pdf",
        "pages": 5,
        "sha256": "c1bdff562f25c898",
        "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_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "tp4333.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tp4333-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "56f0423f845f53236eb289d9c346fa23026b3528b97648c6d3367ac17864caa4",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TPOWER",
      "Package": "SOP-8",
      "Category": "PMIC",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tp4333"
  ],
  "discovery_pitch": "TP4333 (TPOWER) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tp4333.kicad_sym",
    "tp4333.kicad_mod",
    "tp4333.glb",
    "tp4333.step",
    "tp4333-etched.step",
    "tp4333.lbr",
    "docs/hero.png",
    "docs/tp4333-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T11:22:18.801Z"
}