component
MP3398EGF-Z
Public Made by Adomby adom
Monolithic Power Systems LED Drivers, TSSOP-16-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownMP3398EGF-Z
Monolithic Power Systems · LED Drivers · TSSOP-16-EP
MP3398EGF-Z from Monolithic Power Systems, in a TSSOP-16-EP. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | LED1 | input | 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). |
| 2 | LED2 | input | 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). |
| 3 | GND | power_in | Ground. |
| 4 | LED3 | input | 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). |
| 5 | LED4 | input | 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). |
| 6 | ISET | passive | 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. |
| 7 | OVP | input | Output over-voltage protection input; connect a resistor divider from the output to OVP to program the OVP threshold (2.0V typical). |
| 8 | OSC | passive | Switching frequency set; connect a resistor between OSC and GND to set the step-up converter switching frequency (ROSC = 100kΩ gives 382kHz). |
| 9 | EN | input | Enable control input; above 1.5V turns the part on, below 0.6V turns it off, and it must not be floated. |
| 10 | ISENSE | input | 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. |
| 11 | GATE | output | Step-up converter power switch driver output that drives the external N-channel MOSFET. |
| 12 | VCC | power_out | Internal 5.9V linear regulator output powering the MOSFET gate driver and internal control circuitry; bypass to GND with a ceramic capacitor. |
| 13 | VIN | power_in | Supply input, 4.5V to 33V operating range; must be bypassed locally. |
| 14 | ADIM | input | 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. |
| 15 | COMP | passive | Step-up converter compensation; connect a ceramic capacitor or a resistor and capacitor from COMP to GND. |
| 16 | PWM | input | 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. |
| 17 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Monolithic Power Systems |
| Package | TSSOP-16-EP |
| Category | LED Drivers |
| Pins | 17 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Operating input voltage | VIN | 4.5 | 33 | V | 5 | ||
| Supply current (quiescent) | IQ | 3.85 | 4.5 | mA | VIN = 12V, no switching | 5 | |
| Supply current (shutdown) | IST | 1 | μA | VEN = 0V, VIN = 12V | 5 | ||
| LDO output voltage | VCC | 5.5 | 5.9 | 6.3 | V | 7V < VIN < 28V, 0 < IVCC < 10mA | 5 |
| VCC UVLO threshold | VIN_UVLO | 3.7 | 4 | 4.3 | V | Rising edge | 5 |
| Switching frequency | fSW | 305 | 382 | 460 | kHz | ROSC = 100kΩ | 5 |
| OSC voltage | VOSC | 0.77 | 0.8 | 0.83 | V | ROSC =100kΩ, fSW = 382kHz | 5 |
| Cycle-by-cycle ISENSE current limit | 180 | 202 | 224 | mV | 5 | ||
| ISET voltage | VISET | 1.95 | 2 | 2.05 | V | 5 | |
| LEDX average current | ILED | 192 | 202 | 212 | mA | RISET = 100.8kΩ | 5 |
| OVP threshold | VOVP_OV | 1.9 | 2 | 2.1 | V | 6 | |
| LEDX over-voltage threshold | VLEDX_OV | 7.2 | 8 | 8.8 | V | 6 | |
| Current matching | 2.3 | % | ILED = 200mA | 5 | |||
| Maximum duty cycle | DMAX | 90 | % | ROSC = 100kΩ | 5 | ||
| VCC UVLO hysteresis | 350 | mV | 5 | ||||
| EN high voltage | VEN_HIGH | 1.5 | V | VEN rising | 5 | ||
| EN low voltage | VEN_LOW | 0.6 | V | VEN falling | 5 | ||
| Gate driver sourcing impedance | 4 | Ω | VCC = 5.9V,VGATE = 5.9V | 5 | |||
| Gate driver sinking impedance | 2.5 | Ω | VCC = 5.9V, IGATE = 10mA | 5 | |||
| COMP source current limit | ICOMP SOLI | 30 | μA | 1V < COMP < 2.9V | 5 | ||
| COMP sink current limit | ICOMP SILI | 18 | μA | 1V < COMP < 2.9V | 5 | ||
| COMP transconductance | GCOMP | 120 | μA/V | ∆ICOMP = ±10µA | 5 | ||
| PWM input low threshold | VPWM_LO | 0.4 | V | VPWM falling | 5 | ||
| PWM input high threshold | VPWM_HI | 1.5 | V | VPWM rising | 5 | ||
| ADIM input low threshold | VADIM_LO | 0.4 | V | VADIM falling | 5 | ||
| ADIM input high threshold | VADIM_HI | 1.5 | V | VADIM rising | 5 | ||
| LEDX regulation voltage | 430 | mV | ILED = 200mA | 5 | |||
| LEDX regulation voltage | 285 | mV | ILED = 60mA | 5 | |||
| OVP UVLO threshold | VOVP_UV | 55 | mV | Step-up converter fails | 6 | ||
| LEDX UVLO threshold | VLEDX_UV | 200 | mV | 6 | |||
| Thermal protection threshold | TST | 130 | °C | 6 | |||
| Supply voltage (recommended) | VIN | 4.5 | 33 | V | 4 | ||
| Max LED current | 400 | mA | 4 | ||||
| Operating junction temperature | TJ | -40 | 125 | °C | 4 | ||
| VIN absolute maximum | VIN | -0.3 | 40 | V | 4 | ||
| VLED1 to VLED4 absolute maximum | VLED1-VLED4 | -0.3 | 80 | V | 4 | ||
| All other pins absolute maximum | -0.3 | 6.5 | V | 4 | |||
| Junction temperature | TJ | 150 | °C | 4 | |||
| Lead temperature | 260 | °C | 4 | ||||
| Storage temperature | TSTG | -60 | 150 | °C | 4 | ||
| Thermal resistance junction-ambient TSSOP-16 EP | θJA | 45 | °C/W | Measured on JESD51-7, 4-layer PCB | 4 | ||
| Thermal resistance junction-case TSSOP-16 EP | θJC | 10 | °C/W | Measured on JESD51-7, 4-layer PCB | 4 |
CAD (KiCad official)
- Symbol:
MP3398EGF-Z - Footprint:
Package_SO:TSSOP-16-1EP_4.4x5mm_P0.65mm - 3D model: TSSOP-16-EP (KiCad packages3D, STEP)
- 3D model files:
mp3398egf-z-etched.step/mp3398egf-z-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mp3398egf-z.step/mp3398egf-z.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Monolithic Power Systems datasheet (19 pp, sha256
5f589f214cfaf704, retrieved 2026-10-23, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).