EV3385-R-00A: 4 STRING WHITE LED CONTROLLER WITH I

NOTICE:

The information in this document is subject to change without notice. Please contact MPS for current specifications.

Users should warrant and guarantee that third party Intellectual Property rights are not infringed upon when integrating MPS

products into any application. MPS will not assume any legal responsibility for any said applications.

EV3385-R-00A Rev.1.1

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5/21/2015

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Figure 2 — MP3385 GUI

For part 7, only when it’s displayed that “Hardware: connected. Demo Mode-connection with the EV

kit. ” in blue at bottom left of GUI, click button operation is effective. Otherwise check the software and

hardware driver again until it’s connected.

For part 1, switching frequency and protection threshold can be changed through the drop-down boxes.

Maximum current amplitude can be changed through the slide. Write all the above data by clicking

button “WRITE BASIC SETTING”

For part 2, dimming mode can be changed by radio button.

For part 3, disable the unused LED string by radio button”LED1, LED2, LED3 and LED4”, Write data by

clicking button “MP3385 SOFTWARE SWITCH”

For part 4, dimming duty in internal dimming mode can be changed by dragging the slide. Another way,

sweep the dimming duty from low to high by 1% step. Sweep ceases when click “stop” button.

For part 5, reading current fault when click the button “READ BUTTON”.

For part 6, reading all register of MP3385 when click button” READ ALL REGISTER AND RESET GUI”.

Part 6 shows current value of register and the whole GUI will conform to current register.

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