MAX20078ATE+T

{
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  "type": "component",
  "slug": "max20078ate-t",
  "title": "MAX20078ATE+T",
  "brief": "Analog Devices Inc Maxim Integrated LED Drivers, TQFN-16-EP(3x3). 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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    "led drivers",
    "max20078ate+t",
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  "component": {
    "mpn": "MAX20078ATE+T",
    "manufacturer": "Analog Devices Inc Maxim Integrated",
    "package": "TQFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "LED Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588919842070278144",
    "parts": {
      "symbol": "max20078ate-t.kicad_sym",
      "footprint": "max20078ate-t.kicad_mod",
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      "model_3d_plain": "max20078ate-t-etched.glb",
      "model_3d_step": "max20078ate-t-etched.step",
      "model_3d_step_plain": "max20078ate-t.step",
      "lbr": "max20078ate-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C2679291",
      "digikey": "175-MAX20078ATE+TTR-ND",
      "mouser": "700-MAX20078ATE+T"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T06:08:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "175-MAX20078ATE+TTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "700-MAX20078ATE+T",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BST",
        "type": "power_out",
        "description": "High-side power supply for the high-side gate drive; connect a 0.1µF ceramic capacitor from BST to LX (minimum 100nF, 220nF recommended with a Schottky diode)."
      },
      {
        "number": "2",
        "name": "DH",
        "type": "output",
        "description": "Connect to the gate of the high-side n-channel MOSFET of the buck LED driver; a series resistor may be used to limit current slew rate and EMI."
      },
      {
        "number": "3",
        "name": "LX",
        "type": "passive",
        "description": "Switching node of the buck LED driver; connect to one end of the output inductor."
      },
      {
        "number": "4",
        "name": "IN",
        "type": "power_in",
        "description": "Bias supply input; connect a 4.5V to 65V supply and bypass to ground with a 2.2µF ceramic capacitor."
      },
      {
        "number": "5",
        "name": "DIM",
        "type": "input",
        "description": "PWM dimming input; the device enters shutdown mode if DIM is below the ON threshold minus hysteresis for 210ms, with input current below 5µA (typ) in shutdown."
      },
      {
        "number": "6",
        "name": "TON",
        "type": "input",
        "description": "Connect a resistor to the input supply and a capacitor to AGND to set the switching frequency."
      },
      {
        "number": "7",
        "name": "OUT",
        "type": "input",
        "description": "Connect a resistor divider from OUT to the output voltage to provide a scaled-down output voltage measurement; overvoltage setpoint is OVP_ON = 3.0 × (R2 + R3) / R3 V."
      },
      {
        "number": "8",
        "name": "REFI",
        "type": "input",
        "description": "Analog dimming control input; apply 0 to 1.2V to set LED current (zero at or below 0.18V), with a maximum withstand voltage of 2V."
      },
      {
        "number": "9",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground connection; the exposed pad must be connected to AGND."
      },
      {
        "number": "10",
        "name": "IOUTV",
        "type": "output",
        "description": "Analog voltage indication of inductor current (VIOUTV = ILED × RCS × 5 + 0.2V); bypass to ground with a 1µF ceramic capacitor."
      },
      {
        "number": "11",
        "name": "FLT",
        "type": "output",
        "description": "Active-low open-drain fault output that goes low for output short, open LED, overvoltage, thermal shutdown, or shutdown mode."
      },
      {
        "number": "12",
        "name": "CSP",
        "type": "input",
        "description": "Connect to the source of the external MOSFET driven by DL, with a resistor from CSP to CSN to sense the MOSFET current."
      },
      {
        "number": "13",
        "name": "CSN",
        "type": "input",
        "description": "Connect directly to the other end of the current-sense resistor; this end is also connected to the power-ground plane."
      },
      {
        "number": "14",
        "name": "PGND",
        "type": "power_in",
        "description": "Power-ground connection for the gate drivers and the buck power stage."
      },
      {
        "number": "15",
        "name": "VCC",
        "type": "power_out",
        "description": "5V regulator output that can deliver up to 10mA to external circuitry; bypass to AGND with a 2.2µF ceramic capacitor."
      },
      {
        "number": "16",
        "name": "DL",
        "type": "output",
        "description": "Connect to the gate of the low-side n-channel MOSFET of the buck LED driver; a series resistor may be used to limit current slew rate and EMI."
      },
      {
        "number": "17",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "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: DIM shutdown delay is stated as 210ms in the PWM Dimming section but as 200ms in the Shutdown Mode s; Pin numbers are taken from the Pin Description table's TQFN column (pins 1-16). The Pin Configuratio; The exposed pad is not a numbered pin; it is listed as EP with no numeric pin number in the datashee",
          "exposed pad 17 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0672,
        "at": "2026-10-19T06:07:37"
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        "pages": 22,
        "sha256": "d05be57c3cc251b2",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
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        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices Inc Maxim Integrated",
      "Package": "TQFN-16-EP(3x3)",
      "Category": "LED Drivers",
      "Pins": "17"
    },
    "characteristics": {
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      "datasheet_sha256": "d05be57c3cc251b276ffaab4f5c4528c01049ccd84fcfa1d0978720e2adc2db8",
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        {
          "name": "LX to AGND",
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        {
          "name": "BST to AGND",
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        {
          "name": "DL to AGND",
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        {
          "name": "CSP, CSN to AGND",
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          "name": "OUT, FLT, IOUTV to AGND",
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        {
          "name": "PGND to AGND",
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        {
          "name": "REFI",
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        },
        {
          "name": "Operating Temperature Range",
          "symbol": "",
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          "unit": "°C",
          "min": -40,
          "typ": null,
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        {
          "name": "Junction Temperature",
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          "name": "Storage Temperature Range",
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          "min": -65,
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        {
          "name": "Lead Temperature (soldering)",
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          "unit": "°C",
          "min": null,
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        {
          "name": "Soldering Temperature (reflow)",
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        {
          "name": "Junction-to-Case Thermal Resistance, 16 TQFN-EP",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
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        {
          "name": "Input Voltage Range",
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        {
          "name": "Input Voltage Range, IN connected to VCC",
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        {
          "name": "Quiescent Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2,
          "max": 4,
          "conditions": "VDIM = 5V, VIN = 65V",
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        {
          "name": "Shutdown Current",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
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          "max": 15,
          "conditions": "VDIM = 0V, VIN = 12V",
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        {
          "name": "Shutdown Current",
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          "conditions": "VDIM = 0V, VIN = 65V",
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          "max": 5.15,
          "conditions": "6V < VIN < 25V; IVCC = 10mA",
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        {
          "name": "VCC Dropout Voltage",
          "symbol": "VCC DROP",
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          "min": null,
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          "max": 0.15,
          "conditions": "VIN = 4.5V, IVCC = 5mA",
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        {
          "name": "VCC UVLO Rising",
          "symbol": "VCC UVLOR",
          "kind": "electrical",
          "unit": "V",
          "min": 3.8,
          "typ": 4.1,
          "max": 4.4,
          "conditions": "Rising",
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        {
          "name": "VCC UVLO Falling",
          "symbol": "VCC UVLOFALL",
          "kind": "electrical",
          "unit": "V",
          "min": 3.55,
          "typ": 3.8,
          "max": 4,
          "conditions": "Falling",
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        {
          "name": "DH Sourcing Resistance",
          "symbol": "RDH_SRC",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 2.5,
          "max": 5,
          "conditions": "DH = high, TA = -40°C to +125°C",
          "source_page": 3,
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        },
        {
          "name": "DH Sinking Resistance",
          "symbol": "RDH_SINK",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 1,
          "max": 2,
          "conditions": "DH = low, TA = -40°C to +125°C",
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        {
          "name": "DL Sourcing Resistance",
          "symbol": "RDL_SRC",
          "kind": "electrical",
          "unit": "Ω",
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          "typ": 2.5,
          "max": 5,
          "conditions": "DL = low, TA = -40°C to +125°C",
          "source_page": 3,
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        {
          "name": "DL Sinking Resistance",
          "symbol": "RDL_SINK",
          "kind": "electrical",
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          "max": 3,
          "conditions": "DL = low, TA = -40°C to +125°C",
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        {
          "name": "Minimum On-Time",
          "symbol": "tON_MIN",
          "kind": "electrical",
          "unit": "ns",
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          "max": 110,
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        {
          "name": "TON Pulldown Resistance",
          "symbol": "",
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          "min": null,
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          "max": 30,
          "conditions": "VIN = 65V, R1 > 20kΩ",
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        {
          "name": "OUT Overvoltage Threshold",
          "symbol": "VTH_OVP",
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          "unit": "V",
          "min": 2.9,
          "typ": 3,
          "max": 3.1,
          "conditions": "OUT rising",
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        {
          "name": "Linear Range of Pulse Doubler",
          "symbol": "",
          "kind": "electrical",
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          "min": 0,
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          "name": "REFI Input Voltage Range",
          "symbol": "REFIRNG",
          "kind": "recommended_operating",
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          "typ": null,
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        {
          "name": "REFI Zero-Current Threshold",
          "symbol": "REFIZC_VTH",
          "kind": "electrical",
          "unit": "V",
          "min": 0.165,
          "typ": 0.18,
          "max": 0.195,
          "conditions": "VCS < 5mV",
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        {
          "name": "REFI Clamp Voltage",
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          "kind": "electrical",
          "unit": "V",
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          "typ": 1.3,
          "max": 1.326,
          "conditions": "IREFI sink = 1µA",
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        {
          "name": "REFI Input Bias Current",
          "symbol": "REFIIN",
          "kind": "electrical",
          "unit": "nA",
          "min": 0,
          "typ": 20,
          "max": 200,
          "conditions": "VREFI = 0 to 2V",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Current-Sense Amplifier Offset",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 0.18,
          "typ": 0.2,
          "max": 0.22,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Current-Sense Gain",
          "symbol": "",
          "kind": "electrical",
          "unit": "V/V",
          "min": 4.9,
          "typ": 5,
          "max": 5.05,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "DIM Shutdown Detect Timer",
          "symbol": "tSHDW",
          "kind": "electrical",
          "unit": "ms",
          "min": 180,
          "typ": 200,
          "max": 220,
          "conditions": "DIM low duration to enter shutdown mode",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "FLT Output Voltage",
          "symbol": "FLTV",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.05,
          "max": 0.3,
          "conditions": "ISINK is 1mA after fault",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "LED Open-Fault REFI Range",
          "symbol": "LOFREFI_RNG",
          "kind": "electrical",
          "unit": "mV",
          "min": 300,
          "typ": 325,
          "max": 350,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "LED Open-Fault Threshold",
          "symbol": "LOFTH",
          "kind": "electrical",
          "unit": "%",
          "min": 10,
          "typ": 25,
          "max": 40,
          "conditions": "VIOUTV is lower than the threshold when DIM is high",
          "source_page": 4,
          "source": "datasheet"
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      ]
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  "author": {
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