HX3141-AF

{
  "schema_version": 1,
  "type": "component",
  "slug": "hx3141-af",
  "title": "HX3141-AF",
  "brief": "HEXIN DC-DC Converters, SOT-23-6L. 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)",
    "hx3141-af",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "HX3141-AF",
    "manufacturer": "HEXIN",
    "package": "SOT-23-6L",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588912950320619520",
    "parts": {
      "symbol": "hx3141-af.kicad_sym",
      "footprint": "hx3141-af.kicad_mod",
      "model_3d": "hx3141-af-hero.glb",
      "model_3d_plain": "hx3141-af-etched.glb",
      "model_3d_step": "hx3141-af-etched.step",
      "model_3d_step_plain": "hx3141-af.step",
      "lbr": "hx3141-af.lbr"
    },
    "distributor_links": {
      "lcsc": "C521271"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T22:17:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Signal and power ground; provide a short direct PCB path between GND and the (-) side of the output capacitor(s)."
      },
      {
        "number": "2",
        "name": "SW",
        "type": "output",
        "description": "Switch pin; connect the inductor between SW and VIN and keep the PCB trace as short and wide as possible to reduce EMI and voltage overshoot."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground, listed together with pin 1 as GND (Pin 1/3) in the pin table."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Feedback input to the gm error amplifier; connect the resistor divider tap here, with VOUT = 1.212V × [1 + (R1/R2)] adjustable from 1.8V to 5.5V."
      },
      {
        "number": "5",
        "name": "VDD",
        "type": "power_in",
        "description": "Input positive power pin; the PCB layout guide calls for a 20-100µF bypass capacitor between this pin and pin 1."
      },
      {
        "number": "6",
        "name": "EN",
        "type": "input",
        "description": "Enable control input; forcing it above 1V enables the part and forcing it below 0.6V shuts the device down, and it must not be left floating."
      }
    ],
    "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 datasheet gives only one package (SOT-23-6L), so the pinout applies to it. However, the ordering; Pin 3 is not listed separately; the pin table shows it only as part of '1/3 GND'. It is recorded as ; Page 1 header reads 'HX1001' while the rest of the document is 'HX3141'. The pinout was taken from t"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0269,
        "at": "2026-10-18T22:17:45"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588912950320619520",
        "pages": 7,
        "sha256": "2e780b1e0e05dce7",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "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": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "hx3141-af-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b0fb50cb6940b72f6757602ae9ca9a560aa4703593ac08f305871bd47367740e",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HEXIN",
      "Package": "SOT-23-6L",
      "Category": "Power Management (PMIC)",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "2e780b1e0e05dce7374407fa22be8a51c8bc37007b6e986e79144565b94f7260",
      "rows": [
        {
          "name": "Operating Voltage range",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.1,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Feedback Reference Voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 1.182,
          "typ": 1.212,
          "max": 1.242,
          "conditions": "Close Loop, VDD=3.3V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Enable Input High",
          "symbol": "VENH",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Enable Input Low",
          "symbol": "VENL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Start-up Voltage",
          "symbol": "VSTART",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.1,
          "conditions": "ILOAD=1mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "No Load Current (VIN)",
          "symbol": "INO",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 70,
          "conditions": "VIN=1.5V, VOUT=3.3V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Switching Frequency",
          "symbol": "fOSC",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": null,
          "max": 450,
          "conditions": "VDD=3.3V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SW ON Resistance",
          "symbol": "RON",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 0.07,
          "conditions": "VDD=3.3V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVLINE",
          "kind": "electrical",
          "unit": "mV/V",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "VIN=1.5V ～ 2.5V, ILOAD=100mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "ΔVLOAD",
          "kind": "electrical",
          "unit": "mV/mA",
          "min": null,
          "typ": null,
          "max": 0.05,
          "conditions": "VIN=2.5V, ILOAD=1mA ～ 300mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "SW Pin Switch Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Other I/O Pin Voltages",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "SW Pin Switch Current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (Soldering 10 sec.)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 265,
          "conditions": "Soldering 10 sec.",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Adjustment Range",
          "symbol": "VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 5.5,
          "conditions": "Set by VOUT = 1.212V • [1 + (R1/R2)]",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "hx3141-af"
  ],
  "discovery_pitch": "HX3141-AF (HEXIN) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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}