HFP6291LR-G1

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  "slug": "hfp6291lr-g1",
  "title": "HFP6291LR-G1",
  "brief": "HXY MOSFET DC-DC Converters, SOT-23-6L. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "component": {
    "mpn": "HFP6291LR-G1",
    "manufacturer": "HXY MOSFET",
    "package": "SOT-23-6L",
    "pin_count": 6,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2405091605_HXY-MOSFET-HFP6291LR-G1_C22396393.pdf",
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      "lbr": "hfp6291lr-g1.lbr"
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    "distributor_links": {
      "lcsc": "C22396393"
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    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "power_out",
        "description": "Switching node. Drain of the internal 4A power NMOS. Connect to the boost inductor and Schottky diode (e.g., SS34). Abs max Vss-0.3 to Vss+28V; leakage 1uA typ at VSW=20V. High-frequency node; keep traces short and isolated."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground/return reference for the IC (Vss). Connect directly to the system ground plane near input/output capacitors."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback input to the error amplifier. Internal reference VFB = 0.6V (typ, 588-612 mV). Output voltage set by external divider: VOUT = 0.6V x (1 + R1/R2); R1 in the hundreds of kΩ."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Chip enable input, active high. VENH >= 1.2V (enable), VENL <= 0.4V (shutdown). Shutdown current IOFF ~0.01uA (1uA max) when VEN < VENL."
      },
      {
        "number": "5",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input. Operating range 2-24V; abs max Vss-0.3 to Vss+24V. UVLO falling ~1.7-2V with ~100mV hysteresis. Decouple with >=22uF close to the pin."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Leave floating (datasheet: 悬空)."
      }
    ],
    "provenance": {
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      "pins": {
        "total": 6,
        "described": 6,
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        "refuses_to_fabricate": true
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    },
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    "pin1": {
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      "source": "silk-marker",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "HXY MOSFET",
      "Package": "SOT-23-6L",
      "Category": "PMIC",
      "Pins": "6"
    }
  },
  "sections": [
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  "discovery_triggers": [
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  "discovery_pitch": "HFP6291LR-G1 (HXY MOSFET) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
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      "mpn": "HFP6291LR-G1",
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  "updated_at": "2026-09-24T21:45:20.001Z"
}