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Ray Set visibility: public 0f2fc85 9d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lp4074b5f",
  "title": "LP4074B5F",
  "brief": "LOWPOWER Battery Management ICs, SOT-23-5. 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 ics",
    "lp4074b5f",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LP4074B5F",
    "manufacturer": "LOWPOWER",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Management ICs",
    "subcategory": "Battery Management ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/2042bb2be3a1e675553cedaace28f774.pdf",
    "parts": {
      "symbol": "lp4074b5f.kicad_sym",
      "footprint": "lp4074b5f.kicad_mod",
      "model_3d": "lp4074b5f-hero.glb",
      "model_3d_plain": "lp4074b5f-etched.glb",
      "model_3d_step": "lp4074b5f-etched.step",
      "model_3d_step_plain": "lp4074b5f.step",
      "lbr": "lp4074b5f.lbr"
    },
    "distributor_links": {
      "lcsc": "C517037"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T15:49:35Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "STAT1",
        "type": "output",
        "description": "Open-drain charge status output that is pulled low by an internal N-channel MOSFET while the battery is charging and pulled high when the charge cycle is completed."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the charger."
      },
      {
        "number": "3",
        "name": "BAT",
        "type": "power_out",
        "description": "Charge current output that supplies the battery and regulates the final float voltage to 4.2V."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "Positive input supply voltage, specified for an adapter/USB voltage range of 4.5V to 6.5V with a 3.8V VIN undervoltage lockout threshold."
      },
      {
        "number": "5",
        "name": "ISET",
        "type": "passive",
        "description": "Charge current program and monitor pin, programmed by a 1% resistor to ground; it servos to 1V in constant-current mode and IBAT = 1000/RISET."
      }
    ],
    "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 pin table lists STAT2 only for the SOT23-6 variant (pin 5); for SOT23-5 the table places ISET on; The ISET pin type (passive) and the BAT pin type (power_out) are inferred from the functional descri; STAT1 is an open-drain output; the KiCad class 'output' is the closest available type, and the datas"
        ],
        "pages_sent": 8,
        "cost_usd": 0.034,
        "at": "2026-10-30T15:49:10"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/2042bb2be3a1e675553cedaace28f774.pdf",
        "pages": 8,
        "sha256": "1fea95dd9b9fdbc8",
        "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": "lp4074b5f.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": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lp4074b5f-etched.step",
        "role": "eda",
        "up": "Z",
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e919f3a38a92bf9b45049ed6d925496448710eb706a64629b8670fb1d2397cc5",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "LOWPOWER",
      "Package": "SOT-23-5",
      "Category": "Power Management ICs",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "1fea95dd9b9fdbc882922d78281e852b85d63ecfb686f6eed583aed9f04bf4ac",
      "rows": [
        {
          "name": "Adapter/USB Voltage Range",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 4.5,
          "typ": 5,
          "max": 6.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Supply Current",
          "symbol": "IIN",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "Standby Mode (Charge Terminated)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Regulated Output (Float) Voltage",
          "symbol": "VFLOAT",
          "kind": "electrical",
          "unit": "V",
          "min": 4.158,
          "typ": 4.2,
          "max": 4.242,
          "conditions": "IBAT = 40mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "BAT Pin Current (standby/sleep leakage, printed ±1 uA)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "uA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "Standby Mode, VBAT = 4.2V; Sleep Mode, VIN = 0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "STAT1/STAT2 Pin Output Low Voltage",
          "symbol": "VSTAT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "ISTAT = 5mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input to GND (VIN)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Other Pin to GND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -20,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Soldering Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "at leads, 10 sec",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD Susceptibility HBM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "KV",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "Human Body Model",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD Susceptibility MM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Machine Model",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Power Dissipation (SOT23-5)",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.45,
          "conditions": "TA = 25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "BAT Pin Current (programmed, 10K ISET)",
          "symbol": "IBAT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "RISET = 10K, Current Mode",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "BAT Pin Current (programmed, 2K ISET)",
          "symbol": "IBAT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 500,
          "max": null,
          "conditions": "RISET = 2K, Current Mode",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Trickle Charge Threshold Voltage",
          "symbol": "VTRIKL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 3,
          "max": null,
          "conditions": "RISET = 10k, VBAT Rising",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Trickle Charge Hysteresis Voltage",
          "symbol": "VTRHYS",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "RISET = 10K",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Trickle Charge Current",
          "symbol": "ITRIKL",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 40,
          "max": null,
          "conditions": "VBAT < VTRIKL, RISET = 10K",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Trickle Charge Current",
          "symbol": "ITRIKL",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "VBAT < VTRIKL, RISET = 2K",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VIN Undervoltage Lockout Threshold",
          "symbol": "VUV",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 3.8,
          "max": null,
          "conditions": "From VIN Low to High",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VIN Undervoltage Lockout Hysteresis",
          "symbol": "VUVHYS",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VIN-VBAT Lockout Threshold Voltage",
          "symbol": "VASD",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "C/10 Termination Current Threshold",
          "symbol": "ITERM",
          "kind": "electrical",
          "unit": "% IBAT",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ISET Pin Voltage",
          "symbol": "VISET",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "RISET = 10K, Charge Mode",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "STAT1/2 Pin Weak Pull-Down Current",
          "symbol": "ISTAT",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "ICHRG = 5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Recharge Battery Threshold Voltage",
          "symbol": "ΔVRECHRG",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "VFLOAT - VRECHRG",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance (junction to ambient)",
          "symbol": "SJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 250,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "LP4074B5F (LOWPOWER) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}