MP3398EGF-Z

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  "slug": "mp3398egf-z",
  "title": "MP3398EGF-Z",
  "brief": "Monolithic Power Systems LED Drivers, TSSOP-16-EP. 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",
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  "component": {
    "mpn": "MP3398EGF-Z",
    "manufacturer": "Monolithic Power Systems",
    "package": "TSSOP-16-EP",
    "pin_count": 17,
    "category": "LED Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/629c7c21985daf40fad3a2c1e0579ab9.pdf",
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    "distributor_links": {
      "lcsc": "C357772",
      "digikey": "MP3398EGF-Z-ND",
      "mouser": "946-MP3398EGF-Z"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T09:06:18Z",
      "source": "Component Ocean /api/assign-pns",
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        "pn": "MP3398EGF-Z-ND",
        "status": "found",
        "lifecycle": "Active"
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        "pn": "946-MP3398EGF-Z",
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    },
    "pins": [
      {
        "number": "1",
        "name": "LED1",
        "type": "input",
        "description": "LED string 1 current input, the open-drain output of an internal dimming control switch; connect the LED string 1 cathode here (80V abs max)."
      },
      {
        "number": "2",
        "name": "LED2",
        "type": "input",
        "description": "LED string 2 current input, the open-drain output of an internal dimming control switch; connect the LED string 2 cathode here (80V abs max)."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "4",
        "name": "LED3",
        "type": "input",
        "description": "LED string 3 current input, the open-drain output of an internal dimming control switch; connect the LED string 3 cathode here (80V abs max)."
      },
      {
        "number": "5",
        "name": "LED4",
        "type": "input",
        "description": "LED string 4 current input, the open-drain output of an internal dimming control switch; connect the LED string 4 cathode here (80V abs max)."
      },
      {
        "number": "6",
        "name": "ISET",
        "type": "passive",
        "description": "LED current set; tie a current-setting resistor from ISET to ground to program the current in each LED string, and do not leave it open."
      },
      {
        "number": "7",
        "name": "OVP",
        "type": "input",
        "description": "Output over-voltage protection input; connect a resistor divider from the output to OVP to program the OVP threshold (2.0V typical)."
      },
      {
        "number": "8",
        "name": "OSC",
        "type": "passive",
        "description": "Switching frequency set; connect a resistor between OSC and GND to set the step-up converter switching frequency (ROSC = 100kΩ gives 382kHz)."
      },
      {
        "number": "9",
        "name": "EN",
        "type": "input",
        "description": "Enable control input; above 1.5V turns the part on, below 0.6V turns it off, and it must not be floated."
      },
      {
        "number": "10",
        "name": "ISENSE",
        "type": "input",
        "description": "Current sense input for peak-current-mode control and cycle-by-cycle inductor current limit (202mV typical); tie to GND on a slave IC in cascading and do not float."
      },
      {
        "number": "11",
        "name": "GATE",
        "type": "output",
        "description": "Step-up converter power switch driver output that drives the external N-channel MOSFET."
      },
      {
        "number": "12",
        "name": "VCC",
        "type": "power_out",
        "description": "Internal 5.9V linear regulator output powering the MOSFET gate driver and internal control circuitry; bypass to GND with a ceramic capacitor."
      },
      {
        "number": "13",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input, 4.5V to 33V operating range; must be bypassed locally."
      },
      {
        "number": "14",
        "name": "ADIM",
        "type": "input",
        "description": "Analog brightness control input where the PWM duty cycle sets LED current amplitude via an internal 10MΩ/100pF R-C filter; use >20kHz with high level above 1.5V and low level below 0.4V, or pull high (1.5V to 5V) if unused."
      },
      {
        "number": "15",
        "name": "COMP",
        "type": "passive",
        "description": "Step-up converter compensation; connect a ceramic capacitor or a resistor and capacitor from COMP to GND."
      },
      {
        "number": "16",
        "name": "PWM",
        "type": "input",
        "description": "PWM brightness control input chopping the LED current (high above 1.5V, low below 0.4V); weakly pulled to GND internally if floating, or pull high (1.5V to 5V) if PWM dimming is unused."
      },
      {
        "number": "17",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
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        "at": "2026-10-23T09:06:00"
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        "pages": 19,
        "sha256": "5f589f214cfaf704",
        "source_tier": "lcsc"
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  "metadata": {
    "specs": {
      "Manufacturer": "Monolithic Power Systems",
      "Package": "TSSOP-16-EP",
      "Category": "LED Drivers",
      "Pins": "17"
    },
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          "name": "Supply current (quiescent)",
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          "name": "Cycle-by-cycle ISENSE current limit",
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          "min": 1.95,
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        {
          "name": "LEDX average current",
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          "kind": "electrical",
          "unit": "mA",
          "min": 192,
          "typ": 202,
          "max": 212,
          "conditions": "RISET = 100.8kΩ",
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          "name": "OVP threshold",
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          "kind": "electrical",
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          "min": 1.9,
          "typ": 2,
          "max": 2.1,
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        {
          "name": "LEDX over-voltage threshold",
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          "kind": "electrical",
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          "min": 7.2,
          "typ": 8,
          "max": 8.8,
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        {
          "name": "Current matching",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 2.3,
          "max": null,
          "conditions": "ILED = 200mA",
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        {
          "name": "Maximum duty cycle",
          "symbol": "DMAX",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 90,
          "max": null,
          "conditions": "ROSC = 100kΩ",
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        {
          "name": "VCC UVLO hysteresis",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 350,
          "max": null,
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        {
          "name": "EN high voltage",
          "symbol": "VEN_HIGH",
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          "name": "EN low voltage",
          "symbol": "VEN_LOW",
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          "min": null,
          "typ": 0.6,
          "max": null,
          "conditions": "VEN falling",
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        {
          "name": "Gate driver sourcing impedance",
          "symbol": "",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 4,
          "max": null,
          "conditions": "VCC = 5.9V,VGATE = 5.9V",
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        {
          "name": "Gate driver sinking impedance",
          "symbol": "",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 2.5,
          "max": null,
          "conditions": "VCC = 5.9V, IGATE = 10mA",
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        {
          "name": "COMP source current limit",
          "symbol": "ICOMP SOLI",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "1V < COMP < 2.9V",
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          "name": "COMP sink current limit",
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          "max": null,
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        {
          "name": "COMP transconductance",
          "symbol": "GCOMP",
          "kind": "electrical",
          "unit": "μA/V",
          "min": null,
          "typ": 120,
          "max": null,
          "conditions": "∆ICOMP = ±10µA",
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          "name": "PWM input low threshold",
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          "kind": "electrical",
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          "min": null,
          "typ": 0.4,
          "max": null,
          "conditions": "VPWM falling",
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          "name": "PWM input high threshold",
          "symbol": "VPWM_HI",
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          "min": null,
          "typ": 1.5,
          "max": null,
          "conditions": "VPWM rising",
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        {
          "name": "ADIM input low threshold",
          "symbol": "VADIM_LO",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.4,
          "max": null,
          "conditions": "VADIM falling",
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          "name": "ADIM input high threshold",
          "symbol": "VADIM_HI",
          "kind": "electrical",
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          "max": null,
          "conditions": "VADIM rising",
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        {
          "name": "LEDX regulation voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 430,
          "max": null,
          "conditions": "ILED = 200mA",
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        {
          "name": "LEDX regulation voltage",
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          "max": null,
          "conditions": "ILED = 60mA",
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        {
          "name": "OVP UVLO threshold",
          "symbol": "VOVP_UV",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 55,
          "max": null,
          "conditions": "Step-up converter fails",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "LEDX UVLO threshold",
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          "kind": "electrical",
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          "typ": 200,
          "max": null,
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        {
          "name": "Thermal protection threshold",
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          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 130,
          "max": null,
          "conditions": "",
          "source_page": 6,
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        {
          "name": "Supply voltage (recommended)",
          "symbol": "VIN",
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          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 33,
          "conditions": "",
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          "name": "Max LED current",
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        {
          "name": "Operating junction temperature",
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          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
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          "name": "VIN absolute maximum",
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          "unit": "V",
          "min": -0.3,
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          "name": "VLED1 to VLED4 absolute maximum",
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          "name": "Lead temperature",
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          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "",
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          "name": "Storage temperature",
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          "unit": "°C",
          "min": -60,
          "typ": null,
          "max": 150,
          "conditions": "",
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          "name": "Thermal resistance junction-ambient TSSOP-16 EP",
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          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 45,
          "max": null,
          "conditions": "Measured on JESD51-7, 4-layer PCB",
          "source_page": 4,
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          "name": "Thermal resistance junction-case TSSOP-16 EP",
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          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "Measured on JESD51-7, 4-layer PCB",
          "source_page": 4,
          "source": "datasheet"
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