LP7801SPF

{
  "slug": "lp7801spf",
  "version": "0.1.0",
  "type": "component",
  "description": "LOWPOWER Battery Management, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lp7801spf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lp7801spf.kicad_sym",
    "lp7801spf.kicad_mod",
    "lp7801spf.glb",
    "lp7801spf.step",
    "lp7801spf.lbr",
    "docs/hero.png",
    "docs/lp7801spf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lp7801spf-hero.glb",
    "lp7801spf-hero.overlay.json",
    "lp7801spf-etched.glb"
  ],
  "component": {
    "mpn": "LP7801SPF",
    "manufacturer": "LOWPOWER",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588912492021469184",
    "parts": {
      "symbol": "lp7801spf.kicad_sym",
      "footprint": "lp7801spf.kicad_mod",
      "model_3d": "lp7801spf-hero.glb",
      "model_3d_plain": "lp7801spf-etched.glb",
      "model_3d_step": "lp7801spf-etched.step",
      "model_3d_step_plain": "lp7801spf.step",
      "lbr": "lp7801spf.lbr"
    },
    "distributor_links": {
      "lcsc": "C517111"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T04:28:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ISET",
        "type": "passive",
        "description": "Charge-current setting pin: the constant-charge current IBAT is set by resistor RISET per a formula that uses VISET = 1V, and the datasheet example values are ISET=17.5K for 100 mA and ISET=3.4K for 515 mA."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Charger input: operating input voltage is 4.5V to 5.8V (5V typ.), overvoltage protection trips at 6.3V (typ.) with 400mV hysteresis, and undervoltage lockout is 3.3V; absolute maximum is -0.3V to 36V."
      },
      {
        "number": "3",
        "name": "BAT",
        "type": "bidirectional",
        "description": "Battery connection serving as charger output and boost discharge input; the float voltage is 4.2V (4.158V to 4.242V), and the pin must withstand the absolute-maximum range of -0.3V to 6V for other pins."
      },
      {
        "number": "4",
        "name": "SW",
        "type": "output",
        "description": "Switching node of the synchronous boost converter, rated for an absolute maximum of -0.3V to 10V."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Boost output that supplies 5.1V at up to 500mA load current, with an absolute maximum rating of -0.3V to 8V."
      },
      {
        "number": "6",
        "name": "EN",
        "type": "input",
        "description": "Boost enable control: the output turns on above 0.9V (EN_ON) and turns off below 0.8V (EN_OFF), and pulling EN low fully shuts down the output; the pin draws 0.01uA at EN=5V."
      },
      {
        "number": "7",
        "name": "CHRG",
        "type": "output",
        "description": "Charge-status indicator output that sinks about 10mA when charging (strong pull-down) and goes high-impedance when charge is complete or when VIN is below 4.5V or above the OVP threshold."
      },
      {
        "number": "8",
        "name": "NTC",
        "type": "input",
        "description": "Battery temperature sense input fed by an internal 47uA current source through an NTC to GND; charge current is 100% between VNTC-L (0.165V) and VNTC-M (0.75V), 50% between VNTC-M and VNTC-H (1.15V), and charging is disabled outside the VNTC-L to VNTC-H window."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Ground, printed on the datasheet as the exposed thermal pad (PAD) of the ESOP-8 package."
      }
    ],
    "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: Pinout is for the ESOP-8 package (suffix SP) that LP7801SPF is sold in, per the marking table and pa; The RISET-to-charge-current equation on page 6 is not legible in the extracted text (the formula is ; Pin 9 is listed as GND 9(PAD), so it is the exposed thermal pad rather than a separately numbered le"
        ],
        "pages_sent": 7,
        "cost_usd": 0.037,
        "at": "2026-10-19T04:26:28"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588912492021469184",
        "pages": 7,
        "sha256": "0e9c93f189a76b3f",
        "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": "lp7801spf.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": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lp7801spf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "bdfbc9e4ca35ba6e1e499050c28533606aa391cfce4913d6fe813a6cf3218578",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}