EG1164

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  "slug": "eg1164",
  "title": "EG1164",
  "brief": "EG Micro DC-DC Converters, SOP-16. 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)",
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  "component": {
    "mpn": "EG1164",
    "manufacturer": "EG Micro",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589834592502394880",
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    "distributor_links": {
      "lcsc": "C2987434"
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    "distributor_check": {
      "checked_at": "2026-10-20T23:38:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
        "pn": null,
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    "pins": [
      {
        "number": "1",
        "name": "REF3.3V",
        "type": "output",
        "description": "3.3V reference output (3.1V to 3.3V, typical 3.2V) that can source up to 50mA, and should be bypassed with a 0.1uF ceramic capacitor placed close to the pin."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Enable pin with a 1.2V comparison threshold (1.15V to 1.25V); when it is below 1.2V the chip enters standby and turns off the 3.3V output, and its start and stop voltages are set by external resistors."
      },
      {
        "number": "3",
        "name": "SD",
        "type": "input",
        "description": "High level disables the PWM output cycle by cycle (requires at least 3V), and low level allows PWM output."
      },
      {
        "number": "4",
        "name": "SS",
        "type": "input",
        "description": "Soft-start pin where an external capacitor sets the soft-start time through the rate at which its voltage rises."
      },
      {
        "number": "5",
        "name": "VSS",
        "type": "power_in",
        "description": "Analog signal ground of the chip."
      },
      {
        "number": "6",
        "name": "CP",
        "type": "input",
        "description": "External timing capacitor that sets the PWM frequency as f = 18x10^6 / Cp (Cp in pF), so Cp = 270pF gives about 67kHz, with the chip's operating frequency range stated as 0 to 300kHz."
      },
      {
        "number": "7",
        "name": "ERRO",
        "type": "output",
        "description": "Output of the voltage-loop error amplifier."
      },
      {
        "number": "8",
        "name": "FB",
        "type": "input",
        "description": "Inverting input of the voltage-loop error amplifier, with a 1.2V reference (1.18V to 1.22V), where the output voltage is set by Vout = (1 + R1/R2) x 1.2V using the external divider."
      },
      {
        "number": "9",
        "name": "SDLIN",
        "type": "input",
        "description": "Low-side MOSFET current comparator input, with a 180mV current-limit threshold relative to COM."
      },
      {
        "number": "10",
        "name": "LO",
        "type": "output",
        "description": "Drives the low-side power MOSFET on and off, with output limits of -0.3V to VCC+0.3V, source current at least 1.2A and sink current at least 1.5A (pulse width up to 10us)."
      },
      {
        "number": "11",
        "name": "COM",
        "type": "power_in",
        "description": "Power ground of the chip, used as the return for the power MOSFET drive."
      },
      {
        "number": "12",
        "name": "VCC",
        "type": "power_in",
        "description": "Chip supply pin with an operating range of 4V to 20V, with UVLO turn-on at 3.65V and turn-off at 3.6V."
      },
      {
        "number": "13",
        "name": "SDHIN",
        "type": "input",
        "description": "High-side MOSFET current comparator input, with a 180mV current-limit threshold relative to VS."
      },
      {
        "number": "14",
        "name": "VS",
        "type": "power_in",
        "description": "High-side floating ground, with an absolute range of VB-20V to VB+0.3V."
      },
      {
        "number": "15",
        "name": "VB",
        "type": "power_in",
        "description": "High-side floating supply with an absolute maximum of 600V, and a minimum operating voltage of 4V."
      },
      {
        "number": "16",
        "name": "HO",
        "type": "output",
        "description": "Drives the high-side power MOSFET on and off, with output limits of VS-0.3V to VB+0.3V, source current at least 1.2A and sink current at least 1.5A (pulse width up to 10us)."
      }
    ],
    "provenance": {
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        "guard_notes": [
          "extractor flagged: The datasheet pin table types VS as 'O' (output). It is described as the high-side floating ground, ; VSS is listed as 'AGND' and COM as 'PGND' in the datasheet; both are mapped to power_in per the grou; The datasheet is in Chinese and the pinout is given only for the SOP16 package, which matches the re"
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        "at": "2026-10-20T23:33:00"
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  "metadata": {
    "specs": {
      "Manufacturer": "EG Micro",
      "Package": "SOP-16",
      "Category": "Power Management (PMIC)",
      "Pins": "16"
    },
    "characteristics": {
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          "name": "LO low-side output (absolute max, lower limit)",
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          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "无另外说明，TA=25℃; max printed as VCC+0.3 V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "VB high-side bootstrap supply (absolute max)",
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        {
          "name": "Ambient operating temperature (absolute max)",
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          "unit": "℃",
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        },
        {
          "name": "Soldering temperature (absolute max)",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
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          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Oscillator frequency range",
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          "kind": "electrical",
          "unit": "KHz",
          "min": null,
          "typ": 67,
          "max": null,
          "conditions": "CT=270pF",
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        {
          "name": "Oscillator voltage rejection (Δf/ΔVCC)",
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          "min": -5,
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          "conditions": "CT=270pF",
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        },
        {
          "name": "Oscillator temperature drift (Δf/ΔT)",
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          "typ": null,
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        {
          "name": "Error amplifier input bias current",
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        {
          "name": "SD cycle-by-cycle PWM shutdown voltage",
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          "name": "High-side current comparator threshold (relative to VS)",
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          "typ": 180,
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          "conditions": "相对 VS 电压",
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          "name": "Low-side current comparator threshold (relative to COM)",
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          "min": null,
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          "max": null,
          "conditions": "相对 COM 电压",
          "source_page": 10,
          "source": "datasheet"
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