LGS4084HB6

{
  "schema_version": 1,
  "type": "component",
  "slug": "lgs4084hb6",
  "title": "LGS4084HB6",
  "brief": "Legend Si Battery Management, SOT-23-6. 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)",
    "lgs4084hb6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LGS4084HB6",
    "manufacturer": "Legend Si",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756398860052766720",
    "parts": {
      "symbol": "lgs4084hb6.kicad_sym",
      "footprint": "lgs4084hb6.kicad_mod",
      "model_3d": "lgs4084hb6-hero.glb",
      "model_3d_plain": "lgs4084hb6.glb",
      "model_3d_step": "lgs4084hb6-etched.step",
      "model_3d_step_plain": "lgs4084hb6.step",
      "lbr": "lgs4084hb6.lbr"
    },
    "distributor_links": {
      "lcsc": "C5299901"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T18:36:24Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CHRG",
        "type": "output",
        "description": "Charging-status LED drive pin, with an absolute maximum rating of -0.3V to 28V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the charger; the layout guidance calls for a ground plane with vias to ground."
      },
      {
        "number": "3",
        "name": "BAT",
        "type": "power_out",
        "description": "Battery connection and charge output, with an absolute maximum rating of -0.3V to 6V and constant-voltage regulation of 4.15V to 4.25V (4.20V typical) for the 4.2V version."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Input supply pin with a 4V to 6V operating range (5V typical), an overvoltage threshold (VOVP) of 6.25V, and an absolute maximum rating of -0.3V to 28V."
      },
      {
        "number": "5",
        "name": "FULL",
        "type": "output",
        "description": "Full-charge status LED drive pin; the datasheet gives no separate absolute rating for this pin."
      },
      {
        "number": "6",
        "name": "PROG",
        "type": "output",
        "description": "Charge-current program pin with a 1V (1%) reference, where the charge current is IBAT = (VPROG/RPROG) × 1000, and an absolute maximum rating of -0.3V to 6V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin 2 is printed as 'G D' in the extracted text. It is treated as GND because the block diagrams and; The SOT23-6 pin mapping for FULL (pin 5) and PROG (pin 6) is taken from the SOT23-6 pinout on page 2; The datasheet does not state the output type (open-drain or push-pull) for CHRG or FULL, so 'output'"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0403,
        "at": "2026-10-09T18:34:13"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756398860052766720",
        "pages": 12,
        "sha256": "5b0673a38e5092e6",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lgs4084hb6.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": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lgs4084hb6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b540f3922360a0b3dd953de595aae8af3d9bb4b80917234978f36647b91a54cf",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Legend Si",
      "Package": "SOT-23-6",
      "Category": "Power Management (PMIC)",
      "Pins": "6"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lgs4084hb6"
  ],
  "discovery_pitch": "LGS4084HB6 (Legend Si) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "lgs4084hb6.kicad_sym",
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    "lgs4084hb6.glb",
    "lgs4084hb6.step",
    "lgs4084hb6.lbr",
    "docs/hero.png",
    "docs/lgs4084hb6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lgs4084hb6-hero.glb",
    "lgs4084hb6-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}