HX3608

{
  "schema_version": 1,
  "type": "component",
  "slug": "hx3608",
  "title": "HX3608",
  "brief": "HX hengjiaxing DC-DC Converters, SOT-23-6L. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "hx3608"
  ],
  "component": {
    "mpn": "HX3608",
    "manufacturer": "HX hengjiaxing",
    "package": "SOT-23-6L",
    "pin_count": 6,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/d6958b503072355916700b439884ba2a.pdf",
    "parts": {
      "symbol": "hx3608.kicad_sym",
      "footprint": "hx3608.kicad_mod",
      "model_3d": "hx3608-etched.glb",
      "model_3d_plain": "hx3608.glb",
      "model_3d_step": "hx3608-etched.step",
      "model_3d_step_plain": "hx3608.step",
      "lbr": "hx3608.lbr"
    },
    "distributor_links": {
      "lcsc": "C296278"
    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "output",
        "description": "Switching node. Drain of the internal 4A NMOS power switch; connects to the boost inductor and Schottky rectifier. Carries the high-frequency switching waveform (1.2MHz) and must be routed short and isolated from sensitive nets. Absolute max 28V, RDS(on) ~80mΩ."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device. Return path for the power switch and internal control circuitry."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback input to the error amplifier. Connect a resistor divider from VOUT to FB to GND to set output voltage: VOUT = 0.6V x (1 + R1/R2). Internal reference VR = 600mV (588-612mV). R1 recommended in the hundreds-of-kΩ range."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Chip enable, active high. VENH >= 1.2V enables the converter; VENL <= 0.5V shuts it down (IOFF <= 1µA). Do not leave floating."
      },
      {
        "number": "5",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply/bias input for internal control circuitry. Operating range 2-24V (UVLO ~1.7-2V). Requires a 1uF ceramic decoupling capacitor to GND close to the pin. May be tied to VIN or to VOUT; when VIN < 5V, tying pin 5 to VOUT is recommended to strengthen gate drive."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Leave floating."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/d6958b503072355916700b439884ba2a.pdf",
        "pages": 6,
        "sha256": "c124e6edb58bd1df",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.1375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-6@sha256:f341c73aac9dcb55",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "hx3608.step",
        "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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "hx3608-etched.step",
        "role": "eda",
        "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": "53a90b0103ce42fd671b2efe5c1558dfae5d28243a3aab4536303b1035724254",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HX hengjiaxing",
      "Package": "SOT-23-6L",
      "Category": "PMIC",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "c124e6edb58bd1df",
      "rows": [
        {
          "name": "输入电压",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 24,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "输出电压",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 28,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "输入欠压保护",
          "symbol": "UVLO_F",
          "kind": "electrical",
          "unit": "V",
          "min": 1.7,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "关断电流",
          "symbol": "IOFF",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VEN<VENL",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "反馈基准电压",
          "symbol": "VR",
          "kind": "electrical",
          "unit": "mV",
          "min": 588,
          "typ": 600,
          "max": 612,
          "conditions": "VOUT=5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "功率管内阻",
          "symbol": "RDSON",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 80,
          "max": 150,
          "conditions": "VIN=5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "开关电流",
          "symbol": "ISW",
          "kind": "electrical",
          "unit": "A",
          "min": 3.5,
          "typ": null,
          "max": null,
          "conditions": "VIN=5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN 高电平",
          "symbol": "VENH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": null,
          "max": null,
          "conditions": "VIN=3.6V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN 低电平",
          "symbol": "VENL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "VIN=3.6V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SW 端漏电流",
          "symbol": "ISW_L",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VSW=20V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "输入电压（绝对最大额定值）",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 24,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "输出电压（绝对最大额定值）",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 28,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SW 端电压（绝对最大额定值）",
          "symbol": "VSW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 28,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SW 端开关电流",
          "symbol": "ISW",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 3.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "容许功耗",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "工作环境温度",
          "symbol": "Topr",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 80,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "保存温度",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "hx3608"
  ],
  "discovery_pitch": "HX3608 (HX hengjiaxing) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "hx3608.kicad_sym",
    "hx3608.kicad_mod",
    "hx3608.glb",
    "hx3608.step",
    "hx3608-etched.step",
    "hx3608.lbr",
    "docs/hero.png",
    "docs/hx3608-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "HX3608AR",
      "kind": "packaging"
    },
    {
      "mpn": "HX3608AL",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T22:15:34.318Z"
}