LGS6302EP

{
  "schema_version": 1,
  "type": "component",
  "slug": "lgs6302ep",
  "title": "LGS6302EP",
  "brief": "Legend Si DC-DC Converters, 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": [
    "component",
    "power management (pmic)",
    "lgs6302ep",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LGS6302EP",
    "manufacturer": "Legend Si",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756398839941619712",
    "parts": {
      "symbol": "lgs6302ep.kicad_sym",
      "footprint": "lgs6302ep.kicad_mod",
      "model_3d": "lgs6302ep-hero.glb",
      "model_3d_plain": "lgs6302ep.glb",
      "model_3d_step": "lgs6302ep-etched.step",
      "model_3d_step_plain": "lgs6302ep.step",
      "lbr": "lgs6302ep.lbr"
    },
    "distributor_links": {
      "lcsc": "C5280693"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T12:13:14Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "FB",
        "type": "input",
        "description": "Feedback input, connected to an external resistor divider (RF and RG) that sets the output voltage."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "3",
        "name": "SW",
        "type": "output",
        "description": "Internal power switch node; connect the external power inductor and Schottky diode here."
      },
      {
        "number": "4",
        "name": "SW",
        "type": "output",
        "description": "Internal power switch node (second SW pin of the ESOP8 package); connect the external power inductor and Schottky diode here."
      },
      {
        "number": "5",
        "name": "VIN",
        "type": "power_in",
        "description": "Driver power input; place a 4.7 uF or larger ceramic bypass capacitor as close as possible between VIN and GND."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; no external component required, keep this pin floating."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; no external component required, keep this pin floating."
      },
      {
        "number": "8",
        "name": "EN",
        "type": "input",
        "description": "Boost enable input: EN above 0.5 V enables the converter, EN below 0.4 V shuts it down, and the pin should not be left floating because the internal pull-down is weak."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
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        "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 package drawing shows an exposed thermal pad (EPAD) on the ESOP8 package, but the text; Pin 3 and pin 4 are both SW on the ESOP8 package per the pin table (SOT23 pin 1 maps to ESOP8 pins 3; Pin 8 (EN) description draws its thresholds and no-float warning from page 7 rather than the page 2 ",
          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 26,
        "cost_usd": 0.1227,
        "at": "2026-10-09T12:11:05"
      },
      "datasheet": {
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        "pages": 26,
        "sha256": "d3449d0e5ebff153",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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    "viewers": {
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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": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-09",
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      {
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        "sha256": "213368d3a0f54f9878eede32e97105237c57e752ab68eed88150c771dbc7db67",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Legend Si",
      "Package": "ESOP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "9"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "d3449d0e5ebff153",
      "rows": [
        {
          "name": "Recommended input voltage range (VIN)",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power switch on-resistance RDS(ON)",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": 330,
          "typ": 350,
          "max": 410,
          "conditions": "TJ= 25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Switching frequency fSW",
          "symbol": "fSW",
          "kind": "electrical",
          "unit": "MHZ",
          "min": 1.05,
          "typ": 1.2,
          "max": 1.35,
          "conditions": "PWM Operation",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum duty cycle DMAX",
          "symbol": "DMAX",
          "kind": "electrical",
          "unit": "%",
          "min": 85,
          "typ": 90,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SW current limit (peak)",
          "symbol": "ILIMIT.SW(Peak)",
          "kind": "electrical",
          "unit": "A",
          "min": 1.5,
          "typ": 1.7,
          "max": 2.1,
          "conditions": "VIN=5V",
          "source_page": 3,
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        },
        {
          "name": "FB feedback voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 1.195,
          "typ": 1.2,
          "max": 1.205,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN input current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 5,
          "max": 10,
          "conditions": "VEN=5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Absolute max voltage, pins VIN and SW to GND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Absolute max voltage, pins FB and EN to GND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Absolute max power switch current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD rating HBM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "KV",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD rating CDM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -500,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Undervoltage lockout rising threshold",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 3,
          "max": null,
          "conditions": "Rising",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Undervoltage lockout falling threshold",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2.6,
          "max": null,
          "conditions": "Falling",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent operating current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 180,
          "max": null,
          "conditions": "No load, No Switch, VIN=12V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Shutdown current",
          "symbol": "IS",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "EN=0, VIN=12V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "FB bias current",
          "symbol": "IFB.BIAS",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SW leakage current",
          "symbol": "ISW.LKG",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 4,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN rising threshold",
          "symbol": "VEN_H",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.5,
          "max": null,
          "conditions": "EN=0 EN=1",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN falling threshold",
          "symbol": "VEN_L",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.4,
          "max": null,
          "conditions": "EN=1 EN=0",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Over-temperature protection rising",
          "symbol": "TOTP-R",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "TJ Rising",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Over-temperature protection release (falling)",
          "symbol": "TOTP-F",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 120,
          "max": null,
          "conditions": "TJ Falling",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 210,
          "max": null,
          "conditions": "0 LFPM Air Flow",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to PCB board",
          "symbol": "θJB",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 38.4,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to package top",
          "symbol": "θJCtop",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 122,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal characterization junction to board",
          "symbol": "ΨJB",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 37.5,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "LGS6302EP (Legend Si) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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