AL1793AFE-13

{
  "schema_version": 1,
  "type": "component",
  "slug": "al1793afe-13",
  "title": "AL1793AFE-13",
  "brief": "Diodes Incorporated LED Drivers, UDFN-14-EP(4x3). 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",
    "led drivers",
    "al1793afe-13",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "AL1793AFE-13",
    "manufacturer": "Diodes Incorporated",
    "package": "UDFN-14-EP(4x3)",
    "pin_count": 15,
    "category": "LED Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588881830787895296",
    "parts": {
      "symbol": "al1793afe-13.kicad_sym",
      "footprint": "al1793afe-13.kicad_mod",
      "model_3d": "al1793afe-13-hero.glb",
      "model_3d_plain": "al1793afe-13-etched.glb",
      "model_3d_step": "al1793afe-13-etched.step",
      "model_3d_step_plain": "al1793afe-13.step",
      "lbr": "al1793afe-13.lbr"
    },
    "distributor_links": {
      "lcsc": "C67354",
      "mouser": "621-AL1793AFE-13"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T09:25:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "error"
      },
      "mouser": {
        "pn": "621-AL1793AFE-13",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EN",
        "type": "input",
        "description": "Active-high enable, internally pulled down; the device is enabled above about 2.5 V and disabled below 0.4 V (VIH min 2.5 V, VIL max 0.4 V)."
      },
      {
        "number": "2",
        "name": "PWM4/GND",
        "type": "power_in",
        "description": "For the AL1793 this pin is GND (PWM4 is not applicable to the AL1793, which has three channels)."
      },
      {
        "number": "3",
        "name": "PWM3/GND",
        "type": "input",
        "description": "PWM signal input for channel 3 on the AL1793, internally pulled down; VIH min 2.5 V, VIL max 0.3 V, absolute maximum 7 V."
      },
      {
        "number": "4",
        "name": "PWM2/GND",
        "type": "input",
        "description": "PWM signal input for channel 2 on the AL1793, internally pulled down; VIH min 2.5 V, VIL max 0.3 V, absolute maximum 7 V."
      },
      {
        "number": "5",
        "name": "PWM1",
        "type": "input",
        "description": "PWM signal input for channel 1, internally pulled down; tie to GND when channel 1 is not used. Digital PWM frequency 0.5 to 4 kHz, minimum on-time 2.5 µs; analog dimming 0.4 V to 1.5 V."
      },
      {
        "number": "6",
        "name": "LED1",
        "type": "output",
        "description": "Channel 1 LED cathode (current sink); regulated current up to 500 mA via RSET, with LED short protection at a 6 V threshold."
      },
      {
        "number": "7",
        "name": "LED2/GND",
        "type": "output",
        "description": "Channel 2 LED cathode (current sink) for the AL1793; not GND on this variant."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "9",
        "name": "LED3/GND",
        "type": "output",
        "description": "Channel 3 LED cathode (current sink) for the AL1793; not GND on this variant."
      },
      {
        "number": "10",
        "name": "LED4/GND",
        "type": "power_in",
        "description": "For the AL1793 this pin is GND (channel 4 is not applicable to the AL1793)."
      },
      {
        "number": "11",
        "name": "LEDPG",
        "type": "output",
        "description": "LED power-good indication, asserted low to report insufficient LED headroom; requires an external pull-up resistor (open-drain style)."
      },
      {
        "number": "12",
        "name": "FAULTB",
        "type": "output",
        "description": "Fault report, asserted low for LED open/short, over-temperature or UVLO; open-drain output that requires an external pull-up resistor; FAULTB leakage max 1 µA at 6 V, low-level max 180 mV at 1 mA."
      },
      {
        "number": "13",
        "name": "REF",
        "type": "passive",
        "description": "Reference current setting through an external resistor RSET (VREF 1.5 V typical; IREF 0.125 mA at RSET = 12 kΩ)."
      },
      {
        "number": "14",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input, 6.5 V to 30 V recommended operating range; UVLO releases at 6.3 V rising with 300 mV hysteresis."
      },
      {
        "number": "15",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 exposed pad is listed in the pin table ('Exposed PAD, internally connected to GND, should be ext; Pins 2, 3, 4, 7, 9 and 10 are multi-function in the datasheet. Descriptions and types were taken for; The datasheet has no explicit output-type or electrical limits for the LEDx current-sink pins or the",
          "exposed pad 15 added from the footprint"
        ],
        "pages_sent": 18,
        "cost_usd": 0.0996,
        "at": "2026-10-19T09:22:59"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588881830787895296",
        "pages": 18,
        "sha256": "b00e0b817e901edf",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 15,
        "described": 15,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "al1793afe-13.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3,
          3.98,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "be5cff1a18ac6ffbe197561441c1546755e61de7ca02dcc6734fc20d3d6c79dd",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "al1793afe-13-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3.98,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "5fdb34d6011c336f79789a11ca7b93f72f471958ce94966b738250e73759f24e",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "UDFN-14-EP(4x3)",
      "Category": "LED Drivers",
      "Pins": "15"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "b00e0b817e901edf0b7eb183cfa48019a0725b3f0e55395c52b5d22749cbb017",
      "rows": [
        {
          "name": "Input Voltage (ESD HBM, Human Body Model ESD Protection)",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 4000,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage (ESD CDM, Charged Device Model ESD Protection)",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1000,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Enable Voltage, PWM Voltage",
          "symbol": "VEN, VPWMx",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "TJ(MAX)",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 160,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TST",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input voltage at VIN",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 6.5,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Operating Ambient Temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "High-Level Input Voltage on EN and PWMx",
          "symbol": "VIH",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low-Level Input Voltage on EN and PWMx",
          "symbol": "VIL",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 0.4,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "EN Low Voltage",
          "symbol": "VIL(EN)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0,
          "max": 0.4,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "EN High Voltage",
          "symbol": "VIH(EN)",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "EN Internal Pulldown",
          "symbol": "I(EN-PD)",
          "kind": "electrical",
          "unit": "μA",
          "min": 0.35,
          "typ": null,
          "max": 3.5,
          "conditions": "VEN=5V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Digital PWM Low Voltage",
          "symbol": "VIL(PWMx)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Digital PWM High Voltage",
          "symbol": "VIH(PWMx)",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Digital PWM Frequency",
          "symbol": "FPWMx",
          "kind": "electrical",
          "unit": "KHz",
          "min": 0.5,
          "typ": null,
          "max": 4,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "PWM Internal Pulldown",
          "symbol": "I(PWMx-PD)",
          "kind": "electrical",
          "unit": "μA",
          "min": 0.35,
          "typ": null,
          "max": 3.5,
          "conditions": "VEN=5V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Reference Voltage",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 1.47,
          "typ": 1.5,
          "max": 1.53,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "LEDx Leakage Current",
          "symbol": "ILED_LEAK",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.1,
          "max": 2,
          "conditions": "VPWMx=0V, VLEDx=+12V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "LED Current Accuracy",
          "symbol": "ILED_ACCURACY",
          "kind": "tolerance",
          "unit": "%",
          "min": -4,
          "typ": null,
          "max": 4,
          "conditions": "RSET=12KΩ",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "FAULTB Output Low Voltage",
          "symbol": "VFOL",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 180,
          "conditions": "IFAULTB=1mA",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "FAULTB Leakage Current",
          "symbol": "IFOH",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VFAULTB=6V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 55,
          "max": null,
          "conditions": "U-DFN4030-14 (Note 5)",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Case",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 12,
          "max": null,
          "conditions": "U-DFN4030-14 (Note 5)",
          "source_page": 8,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "info"
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  "discovery_triggers": [
    "al1793afe-13"
  ],
  "discovery_pitch": "AL1793AFE-13 (Diodes Incorporated) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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    "path": "docs/hero.png"
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  "visibility": {
    "public": true
  }
}