AT316J-CuH-S

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  "slug": "at316j-cuh-s",
  "title": "AT316J-CuH-S",
  "brief": "AOTE Gate Drive Optocoupler, SOP-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "optoisolators",
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  "component": {
    "mpn": "AT316J-CuH-S",
    "manufacturer": "AOTE",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Optoisolators",
    "subcategory": "Gate Drive Optocoupler",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590916737233727488",
    "parts": {
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      "lbr": "at316j-cuh-s.lbr"
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    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VIN+",
        "type": "input",
        "description": "Noninverting gate drive voltage output (VOUT) control input. TTL/CMOS compatible logic input referenced to GND1; VIH >= 2.0 V, VIL <= 0.8 V."
      },
      {
        "number": "2",
        "name": "VIN-",
        "type": "input",
        "description": "Inverting gate drive voltage output (VOUT) control input. TTL/CMOS compatible logic input referenced to GND1; VIH >= 2.0 V, VIL <= 0.8 V."
      },
      {
        "number": "3",
        "name": "VCC1",
        "type": "power_in",
        "description": "Positive input-side supply voltage (4.5 V to 5.5 V). Powers the input logic and LED driver referenced to GND1."
      },
      {
        "number": "4",
        "name": "GND1",
        "type": "power_in",
        "description": "Input-side ground reference for VCC1, VIN+, VIN-, RESET and FAULT."
      },
      {
        "number": "5",
        "name": "RESET",
        "type": "input",
        "description": "FAULT reset input (active low). A logic-low pulse of at least 0.1 us asynchronously resets the FAULT output high and re-enables VIN. RESET is not affected by UVLO; asserting RESET while VOUT is high does not affect VOUT."
      },
      {
        "number": "6",
        "name": "FAULT",
        "type": "output",
        "description": "Open-collector FAULT output (active low). Transitions from high-impedance to logic low within 5 us when the DESAT pin voltage exceeds the internal 7 V reference. Remains low until RESET is asserted; can be wire-OR'd across multiple AT316J devices to form a single fault bus."
      },
      {
        "number": "7",
        "name": "VLED1+",
        "type": "passive",
        "description": "Internal LED1 anode test point. Must be left unconnected for guaranteed datasheet performance (for optical coupling factory testing only)."
      },
      {
        "number": "8",
        "name": "VLED1-",
        "type": "passive",
        "description": "Internal LED1 cathode. This pin must be connected to input ground (GND1)."
      },
      {
        "number": "9",
        "name": "VEE",
        "type": "power_in",
        "description": "Negative output-side supply voltage (output IC ground/return). Sets the low-side gate drive rail for the IGBT off-state."
      },
      {
        "number": "10",
        "name": "VEE",
        "type": "power_in",
        "description": "Negative output-side supply voltage (output IC ground/return). Tied internally with pin 9; both pins should be connected together externally."
      },
      {
        "number": "11",
        "name": "VOUT",
        "type": "output",
        "description": "Gate drive voltage output to the IGBT/MOSFET gate. Provides up to +/-2.5 A peak output current; swings between VCC2 (high) and VEE (low)."
      },
      {
        "number": "12",
        "name": "VC",
        "type": "power_in",
        "description": "Positive output-side supply voltage input to the driver collector stage. Range VEE+6 V to VCC2 per recommended operating conditions."
      },
      {
        "number": "13",
        "name": "VCC2",
        "type": "power_in",
        "description": "Positive output supply voltage. Total output supply (VCC2 - VEE) of 15 V to 30 V; feeds the high-side gate driver and UVLO monitor."
      },
      {
        "number": "14",
        "name": "DESAT",
        "type": "input",
        "description": "Desaturation (VCE) voltage sense input. When the voltage on DESAT exceeds the internal 7 V reference while the IGBT is commanded on, FAULT changes from high impedance to logic low within 5 us, indicating IGBT desaturation/overcurrent."
      },
      {
        "number": "15",
        "name": "VLED2+",
        "type": "passive",
        "description": "Internal LED2 anode test point. Must be left unconnected for guaranteed datasheet performance (for optical coupling factory testing only)."
      },
      {
        "number": "16",
        "name": "VE",
        "type": "power_in",
        "description": "Common (IGBT emitter) output-side supply voltage reference. The output-side ground/emitter reference used by DESAT, VC and gate return."
      }
    ],
    "provenance": {
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        "pages": 42,
        "sha256": "665d8c76ddb17ebe",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
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        "checked": "2026-10-07",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "AOTE",
      "Package": "SOP-16",
      "Category": "Optoisolators",
      "Pins": "16"
    }
  },
  "variants": [
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      "mpn": "AT316J-CuH-S",
      "kind": "packaging"
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  "discovery_pitch": "AT316J-CuH-S (AOTE) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
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  "updated_at": "2026-09-24T17:12:30.346Z"
}