LR4056M-E

{
  "slug": "lr4056m-e",
  "version": "0.1.0",
  "type": "component",
  "description": "LR Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lr4056m-e",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lr4056m-e.kicad_sym",
    "lr4056m-e.kicad_mod",
    "lr4056m-e.glb",
    "lr4056m-e.step",
    "lr4056m-e.lbr",
    "docs/hero.png",
    "docs/lr4056m-e-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lr4056m-e-hero.glb",
    "lr4056m-e-hero.overlay.json",
    "lr4056m-e-etched.glb"
  ],
  "component": {
    "mpn": "LR4056M-E",
    "manufacturer": "LR",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/2be089d8dc3edc564bed1a073ad4467f.pdf",
    "parts": {
      "symbol": "lr4056m-e.kicad_sym",
      "footprint": "lr4056m-e.kicad_mod",
      "model_3d": "lr4056m-e-hero.glb",
      "model_3d_plain": "lr4056m-e-etched.glb",
      "model_3d_step": "lr4056m-e-etched.step",
      "model_3d_step_plain": "lr4056m-e.step",
      "lbr": "lr4056m-e.lbr"
    },
    "distributor_links": {
      "lcsc": "C48533308"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T03:37:21Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TS",
        "type": "passive",
        "description": "External battery temperature sense input that uses an NTC divider; tying it to GND disables temperature monitoring, and charging pauses when VTS falls outside the OTPL/OTPH window."
      },
      {
        "number": "2",
        "name": "PROG",
        "type": "passive",
        "description": "Charge current program pin where a 1% resistor to GND sets the constant charge current up to 1.0 A (RPROG = 0.91K gives about 1000 mA), with absolute maximum input of -0.3 to 6 V."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Chip ground."
      },
      {
        "number": "4",
        "name": "VDD",
        "type": "power_in",
        "description": "Input supply pin with a 4.5 to 6.0 V operating range, a 16 V absolute maximum, and 6.9 V (typical) overvoltage protection."
      },
      {
        "number": "5",
        "name": "BAT",
        "type": "power_out",
        "description": "Battery connection and charge output that must connect to the battery positive terminal; absolute maximum range is -5 to 10 V."
      },
      {
        "number": "6",
        "name": "STDBY",
        "type": "output",
        "description": "Open-drain charge-complete indicator output with an absolute maximum of 14 V and a low-level output of at most 2 V at 5 mA; tie to GND if unused."
      },
      {
        "number": "7",
        "name": "CHRG",
        "type": "output",
        "description": "Open-drain charging indicator output that is pulled low during charging, with an absolute maximum of 14 V and a low-level output of at most 2 V at 5 mA; tie to GND if unused."
      },
      {
        "number": "8",
        "name": "CE",
        "type": "input",
        "description": "Charge enable input where a high level of 1.5 to 6.0 V enables normal operation and a level at or below 0.2 V selects shutdown, with an absolute maximum of 14 V; leave floating if unused."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 datasheet labels the exposed pad 'NC EPAD' with no pin number; it is listed as EPAD here and typ; Section 9.5 says OTPL is fixed at 45%×VDD and OTPH at 80%×VDD, but the electrical characteristics ta; The datasheet says CE should be left floating when unused, but also defines CE low as shutdown; conf",
          "exposed pad 9 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0416,
        "at": "2026-10-18T03:35:17"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/2be089d8dc3edc564bed1a073ad4467f.pdf",
        "pages": 11,
        "sha256": "07e2bf3d47a2c37f",
        "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": "lr4056m-e.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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lr4056m-e-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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "147fd38b093f1ffdaba9c397f69b7aa6dd41efcdf6e8bcc37c7eecf1a0d4903a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}