LP7801SPF

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  "type": "component",
  "slug": "lp7801spf",
  "title": "LP7801SPF",
  "brief": "LOWPOWER Battery Management, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "power management (pmic)",
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  "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",
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      "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"
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        "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
      }
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "bdfbc9e4ca35ba6e1e499050c28533606aa391cfce4913d6fe813a6cf3218578",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "LOWPOWER",
      "Package": "ESOP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "9"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "0e9c93f189a76b3fa9787076eea6347d1b987f1caff66540e2d2abd700a9b585",
      "rows": [
        {
          "name": "VIN input voltage (absolute maximum)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 36,
          "conditions": "",
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        },
        {
          "name": "SW pin voltage (absolute maximum)",
          "symbol": "SW",
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          "min": -0.3,
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          "max": 10,
          "conditions": "",
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        },
        {
          "name": "VOUT pin voltage (absolute maximum)",
          "symbol": "VOUT",
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          "min": -0.3,
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          "max": 8,
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        {
          "name": "Other pins voltage (absolute maximum)",
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          "typ": null,
          "max": 6,
          "conditions": "",
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        },
        {
          "name": "Maximum soldering temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 s",
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        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
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        },
        {
          "name": "Maximum junction temperature",
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          "unit": "°C",
          "min": null,
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          "conditions": "",
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        },
        {
          "name": "Maximum package power dissipation",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "",
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        },
        {
          "name": "ESD human body model (HBM)",
          "symbol": "",
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          "unit": "KV",
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        {
          "name": "ESD machine model (MM)",
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          "max": 200,
          "conditions": "",
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        },
        {
          "name": "Operating ambient temperature range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -20,
          "typ": null,
          "max": 80,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "Input operating voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 5.8,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Battery full charge (float) voltage",
          "symbol": "VFLOAT",
          "kind": "electrical",
          "unit": "V",
          "min": 4.158,
          "typ": 4.2,
          "max": 4.242,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance (温升)",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "",
          "source_page": 3,
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        }
      ]
    }
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  "discovery_pitch": "LP7801SPF (LOWPOWER) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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