TP4582B

{
  "schema_version": 1,
  "type": "component",
  "slug": "tp4582b",
  "title": "TP4582B",
  "brief": "TPOWER Battery Management, ESOP8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "tp4582b",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TP4582B",
    "manufacturer": "TPOWER",
    "package": "ESOP8",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590907934148665345",
    "parts": {
      "symbol": "tp4582b.kicad_sym",
      "footprint": "tp4582b.kicad_mod",
      "model_3d": "tp4582b-etched.glb",
      "model_3d_plain": "tp4582b.glb",
      "model_3d_step": "tp4582b-etched.step",
      "model_3d_step_plain": "tp4582b.step",
      "lbr": "tp4582b.lbr"
    },
    "distributor_links": {
      "lcsc": "C5464794"
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input, 4.5-5.5V operating range, 5V nominal."
      },
      {
        "number": "2",
        "name": "LED1",
        "type": "output",
        "description": "Charging status indicator LED driver, 1.4mA typical output at 4V battery."
      },
      {
        "number": "3",
        "name": "LED2",
        "type": "output",
        "description": "Discharging status indicator LED driver, 1.4mA typical output at 4V battery."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "5",
        "name": "SWT",
        "type": "input",
        "description": "Push-button key input; single-click (>50ms) for power on, double-click for power off; 30uA internal pull-up."
      },
      {
        "number": "6",
        "name": "BAT",
        "type": "passive",
        "description": "Lithium-ion battery positive terminal; maximum 250mA charging current, 4.2V target float voltage."
      },
      {
        "number": "7",
        "name": "SW",
        "type": "passive",
        "description": "Boost converter power switch node, connects to external inductor L1."
      },
      {
        "number": "8",
        "name": "OUT",
        "type": "power_out",
        "description": "Boost output positive terminal; 5V typical at 0.5A load, 500mA maximum current; 5.25V overvoltage threshold."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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": [
          "exposed pad 9 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 6,
        "cost_usd": 0.1743,
        "at": "2026-09-18T02:52:52"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590907934148665345",
        "pages": 6,
        "sha256": "dac25bedd6f28ed4",
        "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"
    },
    "models_3d": [
      {
        "file": "tp4582b.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.55
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2d6f7e774e8143e3320cbd59eb5be9f3b7864614644e3b072006e1eb05fb7fa6",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tp4582b-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.55
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2356bde6ccc664df44cedc6e8126aaaca8dff7b158383815135294b99b3f03ae",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TPOWER",
      "Package": "ESOP8",
      "Category": "Power Management (PMIC)",
      "Pins": "9"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tp4582b"
  ],
  "discovery_pitch": "TP4582B (TPOWER) 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",
    "tp4582b.kicad_sym",
    "tp4582b.kicad_mod",
    "tp4582b.glb",
    "tp4582b.step",
    "tp4582b.lbr",
    "docs/hero.png",
    "docs/tp4582b-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T11:22:35.369Z"
}