HXL1509-ADJ

{
  "schema_version": 1,
  "type": "component",
  "slug": "hxl1509-adj",
  "title": "HXL1509-ADJ",
  "brief": "HXY MOSFET DC-DC Converters, SOP-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)",
    "hxl1509-adj",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "HXL1509-ADJ",
    "manufacturer": "HXY MOSFET",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603230170228531200",
    "parts": {
      "symbol": "hxl1509-adj.kicad_sym",
      "footprint": "hxl1509-adj.kicad_mod",
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      "model_3d_plain": "hxl1509-adj-etched.glb",
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      "lbr": "hxl1509-adj.lbr"
    },
    "distributor_links": {
      "lcsc": "C41364883"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T08:17:50Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "error"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply voltage input for the switching regulator, operating range 4.5V to 40V; needs a suitable input bypass capacitor to minimize voltage transients and supply switching currents."
      },
      {
        "number": "2",
        "name": "Output",
        "type": "output",
        "description": "Internal power switching output that swings between (+Vin - Vsat) and approximately -0.5V with duty cycle of approximately Vout/Vin; keep the connected PCB copper area small to minimize coupling."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Output voltage feedback control input that senses the regulated output voltage to close the loop, with feedback voltage of 1.230V typical on the adjustable version."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "ON/OFF shutdown input: pulling it below approximately 1.3V turns the regulator on, above 1.3V shuts it down, and it can be wired to ground if shutdown is not needed."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Circuit ground."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Circuit ground."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Circuit ground."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Circuit ground."
      }
    ],
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Datasheet text says EN threshold is approximately 1.3V, while the electrical table lists logic thres; Pins 5-8 are all labelled GND in the pin diagram; the datasheet does not say whether they are intern",
          "vision extraction: provenance cannot be text-verified; needs consensus"
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        "cost_usd": 0.2625,
        "at": "2026-10-19T08:15:57"
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        "pages": 8,
        "sha256": "9fccd60659b2ee4b",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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    "viewers": {
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "HXY MOSFET",
      "Package": "SOP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    },
    "appearance": {
      "contacts": {
        "quote": "board copper area connected to this pin should be minimized.",
        "page": 4,
        "doc": "ds.pdf",
        "material": "copper"
      },
      "version": 1,
      "datasheet_sha256": "9fccd60659b2ee4bbe793a32686b5b2679d6e2f86fac1d060b0d2024ac68c8ab"
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    "characteristics": {
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      "source": "datasheet",
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      "rows": [
        {
          "name": "Output Feedback Voltage (HXL1509-ADJ)",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 1.193,
          "typ": 1.23,
          "max": 1.267,
          "conditions": "4.5V ≤ VIN ≤ 40V; 0.2A ≤ ILOAD ≤ 3A; VOUT programmed for 3V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Oscillator Frequency",
          "symbol": "Fosc",
          "kind": "electrical",
          "unit": "kHz",
          "min": 127,
          "typ": 150,
          "max": 173,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "ICL",
          "kind": "electrical",
          "unit": "A",
          "min": 3,
          "typ": null,
          "max": 4,
          "conditions": "Output=0",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Leakage Current",
          "symbol": "IL",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "Output=-1",
          "source_page": 3,
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        },
        {
          "name": "Max. Duty Cycle (ON)",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": 93,
          "typ": 98,
          "max": null,
          "conditions": "IOUT=2A, no outside circuit; VFB=0V force driver on",
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        {
          "name": "Min. Duty Cycle (OFF)",
          "symbol": "DC",
          "kind": "electrical",
          "unit": "%",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "VFB=12V force driver off",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Saturation Voltage",
          "symbol": "VSAT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": 1.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Feedback Bias Current",
          "symbol": "IFB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 50,
          "max": 100,
          "conditions": "VFB=1.3V (Adjustable version only)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Peak Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5,
          "max": 20,
          "conditions": "VIN=40V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5,
          "max": 10,
          "conditions": "VFB=12V force driver off",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Standby Quiescent Current",
          "symbol": "ISTBY",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 50,
          "max": 200,
          "conditions": "ON/OFF pin=5V; VIN=40V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF Pin Logic Input Threshold Voltage, Low (regulator ON)",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.6,
          "conditions": "Low (regulator ON)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF Pin Logic Input Threshold Voltage, High (regulator OFF)",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "High (regulator OFF)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF Pin Input Current, OFF",
          "symbol": "IH",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 12,
          "max": 30,
          "conditions": "VLOGIC=5.0V (OFF)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF Pin Input Current, ON",
          "symbol": "IL",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0,
          "max": 10,
          "conditions": "VLOGIC=0.5V (ON)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction to Case",
          "symbol": "ӨJC",
          "kind": "thermal",
          "unit": "C/W",
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          "typ": 15,
          "max": null,
          "conditions": "Thermal resistance with copper area of approximately 3 in²",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction to Ambient",
          "symbol": "ӨJA",
          "kind": "thermal",
          "unit": "C/W",
          "min": null,
          "typ": 70,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF Pin Input Voltage",
          "symbol": "VSD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Upper limit is VIN (printed as -0.3~VIN)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Feedback Pin Voltage",
          "symbol": "VFB",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Upper limit is VIN (printed as -0.3~VIN)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage to Ground",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -1,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature",
          "symbol": "Topr",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Voltage",
          "symbol": "VOP",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "HXL1509-ADJ (HXY MOSFET) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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