main
Ray tp4336: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) ca30b88
{
  "schema_version": 1,
  "type": "component",
  "slug": "tp4336",
  "title": "TP4336",
  "brief": "TPOWER Battery Management, ESOP-8L. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "tp4336"
  ],
  "component": {
    "mpn": "TP4336",
    "manufacturer": "TPOWER",
    "package": "ESOP-8L",
    "pin_count": 9,
    "category": "PMIC",
    "subcategory": "Battery Management",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/ea88a33a48049d3abd6352389d268958.pdf",
    "parts": {
      "symbol": "tp4336.kicad_sym",
      "footprint": "tp4336.kicad_mod",
      "model_3d": "tp4336-etched.glb",
      "model_3d_plain": "tp4336.glb",
      "model_3d_step": "tp4336-etched.step",
      "model_3d_step_plain": "tp4336.step",
      "lbr": "tp4336.lbr"
    },
    "distributor_links": {
      "lcsc": "C29075510"
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Charger power input. Recommended operating range 4.5-5.5 V (absolute max 6.5 V). Overvoltage protection trips at ~6.15 V and recovers below 5.85 V. Typically fed from a 5 V USB source through a small series resistor with a 2.2 µF decoupling capacitor to GND."
      },
      {
        "number": "2",
        "name": "LED1",
        "type": "output",
        "description": "LED driver output. In 4-LED mode this is the first fuel-gauge LED (charge/discharge state, ~3-4 mA sink). In 2-LED mode this is the CHARGE indicator LED (red, ~3.3 mA). Blinks at 1 Hz while charging and 2 Hz on low-battery warning."
      },
      {
        "number": "3",
        "name": "LED2",
        "type": "output",
        "description": "LED driver output. In 4-LED mode this is the second fuel-gauge LED. In 2-LED mode this is the DISCHARGE indicator LED (blue, ~3.3 mA). Follows the fuel-gauge / low-battery blink patterns described in the LED state tables."
      },
      {
        "number": "4",
        "name": "LED3",
        "type": "output",
        "description": "LED driver output. In 4-LED mode this is the third fuel-gauge LED. In 2-LED mode this pin must be shorted to GND to select the 2-LED configuration."
      },
      {
        "number": "5",
        "name": "SWT",
        "type": "bidirectional",
        "description": "Multi-function pushbutton input and flashlight LED driver. A >50 ms single click powers the boost output on and displays the fuel gauge; a double click within 500 ms turns the output off. A 2 s long press toggles the flashlight LED output (up to 60 mA sink at VBAT=4.2 V, disabled below the BAT undervoltage threshold)."
      },
      {
        "number": "6",
        "name": "BAT",
        "type": "power_out",
        "description": "Li-ion battery positive terminal. Sinks up to 1 A constant-current charge (10% trickle below 2.85 V) with 4.2 V float and 130 mV recharge hysteresis. Also sources current to the boost stage during discharge; UVLO releases boost above 3.1 V and terminates discharge below 2.8 V. Bypass with 10 µF close to the pin plus 10 µF near the inductor."
      },
      {
        "number": "7",
        "name": "SW",
        "type": "power_out",
        "description": "Switching node of the synchronous boost converter (internal high-side and low-side power MOSFETs). Connects to an external 1.5 µH power inductor between BAT and SW. Operates at ~1 MHz with up to 90% duty cycle."
      },
      {
        "number": "8",
        "name": "OUT",
        "type": "power_out",
        "description": "Synchronous boost output, regulated to 5.0 V at up to 1 A. Includes OVP at 5.25 V, OCP at 4.3 V with 8 ms delay, and short-circuit protection at 2.8 V with 500 µs delay (latched until load is removed or button pressed). Bypass with 2× 10 µF low-ESR ceramics close to the pin."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed thermal pad, chip ground. Must be soldered to a large PCB ground plane for proper thermal performance and as the return for both the charger and boost stages.",
        "source": "renumbered-to-footprint-pad"
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/ea88a33a48049d3abd6352389d268958.pdf",
        "pages": 9,
        "sha256": "bc92374fdb8a95d6",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "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"
    },
    "models_3d": [
      {
        "file": "tp4336.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tp4336-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "38b8aff03e4bec3e0b2f60e5f85b20ec3716cb0c4a78a585b071e54c4429ba7f",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TPOWER",
      "Package": "ESOP-8L",
      "Category": "PMIC",
      "Pins": "9"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tp4336"
  ],
  "discovery_pitch": "TP4336 (TPOWER) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tp4336.kicad_sym",
    "tp4336.kicad_mod",
    "tp4336.glb",
    "tp4336.step",
    "tp4336-etched.step",
    "tp4336.lbr",
    "docs/hero.png",
    "docs/tp4336-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "variants": [
    {
      "mpn": "TP4336",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T11:22:27.042Z"
}