LGS5160C

{
  "slug": "lgs5160c",
  "version": "0.1.0",
  "type": "component",
  "description": "Legend-Si DC-DC Converters, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "lgs5160c",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lgs5160c.kicad_sym",
    "lgs5160c.kicad_mod",
    "lgs5160c.glb",
    "lgs5160c.step",
    "lgs5160c.lbr",
    "docs/hero.png",
    "docs/lgs5160c-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lgs5160c-hero.glb",
    "lgs5160c-hero.overlay.json",
    "lgs5160c-etched.glb"
  ],
  "component": {
    "mpn": "LGS5160C",
    "manufacturer": "Legend-Si",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/ca811fd848259b003085fe9277fa954c.pdf",
    "parts": {
      "symbol": "lgs5160c.kicad_sym",
      "footprint": "lgs5160c.kicad_mod",
      "model_3d": "lgs5160c-hero.glb",
      "model_3d_plain": "lgs5160c-etched.glb",
      "model_3d_step": "lgs5160c-etched.step",
      "model_3d_step_plain": "lgs5160c.step",
      "lbr": "lgs5160c.lbr"
    },
    "distributor_links": {
      "lcsc": "C5369107"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T02:10:20Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "output",
        "description": "Internal power switch node that connects to the external power inductor and the CBST capacitor."
      },
      {
        "number": "2",
        "name": "BST",
        "type": "power_out",
        "description": "Self-driving bootstrap supply for the high-side gate driver, requiring a high-quality ceramic capacitor of at least 100nF between BST and SW; the BST-to-SW voltage is limited to -0.3V to 5.5V."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_out",
        "description": "Output of the internal LDO that powers the control circuits, requiring a 1uF to 4.7uF ceramic decoupling capacitor between VCC and GND placed as close as possible to the pins; the VCC pin voltage is limited to -0.3V to 5.5V."
      },
      {
        "number": "4",
        "name": "FREQ",
        "type": "input",
        "description": "Switching frequency setting pin, where a resistor connected from FREQ to GND sets the switching frequency between 200kHz and 2MHz; the pin voltage is limited to -0.3V to 5.5V."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Output voltage feedback pin, where an external divider between VOUT and GND sets the output voltage against a 1.0V feedback reference (0.99V to 1.01V), with recommended operating range -0.3V to 1.1V."
      },
      {
        "number": "6",
        "name": "PG",
        "type": "output",
        "description": "Open-drain power-good indicator that stops pulling down when the output is normal, to be pulled up to VCC through a 10kΩ to 100kΩ resistor; recommended voltage range is -0.3V to 30V."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Enable pin that sets the regulator output enable when high, with a high logic threshold of 1.1V and a low logic threshold of 0.5V, and a recommended range of -0.3V to 65V; an external resistor divider can set VIN undervoltage protection."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "Input power pin feeding the upper bridge power MOSFET and the VIN linear supply, requiring one or more decoupling ceramic capacitors between VIN and GND placed close to the pins; recommended input range is 4.5V to 65V."
      },
      {
        "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: Table 5 (page 6) lists pin 1 as SW, pin 2 as BST, pin 7 as EN and pin 8 as VIN. The wiring example F; The top-view pin arrangement figure on page 6 is given only as an unlabeled text sequence (VIN EN PG; The exposed thermal pad is printed as EP, not a number, and is used as GND; it is listed under that "
        ],
        "pages_sent": 7,
        "cost_usd": 0.0469,
        "at": "2026-10-22T02:09:17"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/ca811fd848259b003085fe9277fa954c.pdf",
        "pages": 25,
        "sha256": "92c4a89ba3643f4e",
        "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": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.9,
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lgs5160c-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": "6ae11d3747e74d31a327d079d27b14994b1b0923ab58efef5f820bd98fdcbf68",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}