Quectel Smart EVB G5 - Backlight Driver for Secondary LCM Interface

Smart Module Series
Smart_EVB_G5_User_Guide 37 / 66
The following figure shows the pin assignments of LCM interfaces.
J0803 J0801
Figure 16: Pin Assignments of LCM Interfaces
4.3.3. Backlight Driver for Secondary LCM Interface
The Smart EVB G5 uses a PWM dimming step-up LED driver for the WLED backlighting of secondary
LCM interface.
The following figure shows a reference circuit design for the backlight driver.
Module
Backlight
Driver
VBAT_EVB
C1
PWM
U0802
LCM_LED-
LCM_LED+
Figure 17: Reference Design for Backlight Driver