LGS4084HB5-4.35

{
  "slug": "lgs4084hb5-4-35",
  "version": "0.1.0",
  "type": "component",
  "description": "Legend Si Battery Management, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lgs4084hb5-4.35",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lgs4084hb5-4-35.kicad_sym",
    "lgs4084hb5-4-35.kicad_mod",
    "lgs4084hb5-4-35.glb",
    "lgs4084hb5-4-35.step",
    "lgs4084hb5-4-35.lbr",
    "docs/hero.png",
    "docs/lgs4084hb5-4-35-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lgs4084hb5-4-35-hero.glb",
    "lgs4084hb5-4-35-hero.overlay.json"
  ],
  "component": {
    "mpn": "LGS4084HB5-4.35",
    "manufacturer": "Legend Si",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756400442136387584",
    "parts": {
      "symbol": "lgs4084hb5-4-35.kicad_sym",
      "footprint": "lgs4084hb5-4-35.kicad_mod",
      "model_3d": "lgs4084hb5-4-35-hero.glb",
      "model_3d_plain": "lgs4084hb5-4-35.glb",
      "model_3d_step": "lgs4084hb5-4-35-etched.step",
      "model_3d_step_plain": "lgs4084hb5-4-35.step",
      "lbr": "lgs4084hb5-4-35.lbr"
    },
    "distributor_links": {
      "lcsc": "C20618071"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T07:46:06Z",
      "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 indicator open-drain output connected to the LED cathode; it is pulled low to turn the LED on while charging, with LED drive current rated at 5 mA."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Chip ground, which should be connected to the board ground plane with a large copper area for high-current paths."
      },
      {
        "number": "3",
        "name": "BAT",
        "type": "power_out",
        "description": "Battery charging output connected to the battery positive terminal, requiring a ceramic capacitor of at least 10uF effective value to ground."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Charger input connected to the supply positive, with absolute maximum rating of -0.3V to 24V (input range 4V to 24V, surge up to 28V) and a bypass ceramic capacitor of at least 10uF effective value placed close to VCC and GND."
      },
      {
        "number": "5",
        "name": "PROG",
        "type": "passive",
        "description": "Constant-current charge setting and monitor pin; connect a 1% precision resistor to ground, with IBAT = 1000/RPROG (A-scale, mA with RPROG in kΩ) above 300mA and 900/RPROG below 300mA, and absolute maximum 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: The FULL pin (pin 5 on SOT23-6) does not exist on the SOT23-5 package. The datasheet pin table lists; The SOT23-5 pin number for PROG is 5 and the SOT23-6 pin number is 6 in Table 3.2, so the SOT23-5 pi; The datasheet does not give KiCad pin types. CHRG is typed output because it is an open-drain indica"
        ],
        "pages_sent": 15,
        "cost_usd": 0.066,
        "at": "2026-10-09T07:44:26"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756400442136387584",
        "pages": 15,
        "sha256": "6bed6065a39eb63b",
        "source_tier": "lcsc"
      },
      "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"
    },
    "models_3d": [
      {
        "file": "lgs4084hb5-4-35.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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lgs4084hb5-4-35-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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "8057a0f07a7486e5d9f6ec1502026bc506cc33a1131b8d51773edc22a020320f",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}