SY8105ADC

{
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  "type": "component",
  "slug": "sy8105adc",
  "title": "SY8105ADC",
  "brief": "Silergy Corp DC-DC Converters, TSOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "power management (pmic)",
    "sy8105adc",
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  "component": {
    "mpn": "SY8105ADC",
    "manufacturer": "Silergy Corp",
    "package": "TSOT-23-6",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586206017813663744",
    "parts": {
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    "distributor_links": {
      "lcsc": "C178247"
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    "distributor_check": {
      "checked_at": "2026-10-17T23:48:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "FB",
        "type": "input",
        "description": "Output feedback pin, connected to the center point of the output resistor divider to program the output voltage as Vout = 0.6 × (1 + R1/R2)."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Enable control pin that must be pulled high to turn the device on and must not be left floating."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "4",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply pin, to be decoupled to GND with at least 1 µF ceramic capacitor; the recommended supply input range is 4.5 V to 18 V."
      },
      {
        "number": "5",
        "name": "LX",
        "type": "output",
        "description": "Inductor pin, connected to the switching node of the inductor."
      },
      {
        "number": "6",
        "name": "BS",
        "type": "passive",
        "description": "Boot-strap pin supplying the high-side gate driver, to be decoupled to the LX pin with a 0.1 µF ceramic capacitor."
      }
    ],
    "provenance": {
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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  "metadata": {
    "specs": {
      "Manufacturer": "Silergy Corp",
      "Package": "TSOT-23-6",
      "Category": "Power Management (PMIC)",
      "Pins": "6"
    },
    "appearance": {
      "contacts": {
        "quote": "3) The PCB copper area associated with LX pin must be",
        "page": 8,
        "doc": "ds.pdf",
        "material": "copper"
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          "name": "Shutdown Current",
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          "name": "Feedback Reference Voltage",
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        {
          "name": "FB Input Current",
          "symbol": "IFB",
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          "typ": null,
          "max": 50,
          "conditions": "VFB=3.3V",
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        {
          "name": "Supply Input Voltage (absolute maximum)",
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          "name": "Power Dissipation",
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          "conditions": "TA = 25°C, TSOT23-6(FC)",
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        {
          "name": "Junction Temperature Range (absolute maximum)",
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        {
          "name": "Lead Temperature",
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          "conditions": "Soldering, 10 sec",
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        {
          "name": "Storage Temperature Range",
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          "min": -65,
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        {
          "name": "Supply Input Voltage (recommended)",
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        {
          "name": "Junction Temperature Range (recommended)",
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        {
          "name": "Ambient Temperature Range",
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          "max": null,
          "conditions": "IOUT=0, VFB=VREF*105%",
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        {
          "name": "Top FET RON",
          "symbol": "RDS(ON)1",
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          "unit": "mΩ",
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          "name": "Bottom FET RON",
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          "name": "TOP FET Peak Current Limit",
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          "name": "Bottom FET Valley Current Limit",
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          "name": "EN Rising Threshold",
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          "name": "EN Falling Threshold",
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        {
          "name": "Input UVLO Threshold",
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          "name": "UVLO Hysteresis",
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        {
          "name": "Min ON Time",
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          "name": "Min OFF Time",
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        {
          "name": "Switching Frequency",
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          "unit": "kHz",
          "min": null,
          "typ": 500,
          "max": null,
          "conditions": "",
          "source_page": 4,
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        {
          "name": "Thermal Shutdown Temperature",
          "symbol": "TSD",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "Thermal Shutdown Hysteresis",
          "symbol": "THYS",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "",
          "source_page": 4,
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        {
          "name": "Package Thermal Resistance, junction-to-ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 56,
          "max": null,
          "conditions": "Natural convection, TA = 25°C, two-layer Silergy evaluation board (Note 2)",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Package Thermal Resistance, junction-to-case",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 6.3,
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          "source_page": 2,
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        }
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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