Mini-LED TV Backlight Unit - Large Matrix

The RZ/T1 Group of real-time Arm^® Cortex^®-R4 based microprocessors (MPUs) enables control of a large matrix LED backlighting system for state-of-the-art TVs, in combination with our high-precision 32-channel LED backlight driver. The integrated driver feedback channel allows control of the LED supply voltage level to dynamically minimize overall power consumption. The digital system and interface power are provided by a processor power management IC (PMIC) and high-efficiency buck converter. The AT25QLxx family of QSPI flash memory is used for software and brightness mapping storage. The temperature sensors help optimize system performance under varying conditions.

System Benefits​:

• Flexible MPU-based, software-controlled, large matrix luminance and chrominance control
• RZ/T1 MPU minimizes propagation delay between LED adjustment and video content, reducing the video buffer size
• Dynamic LED supply voltage adjustment minimizes power loss
• Highly integrated and efficient system PMIC
• Single variable voltage rail from LLC to power LEDs and system power
• Temperature sensor to optimize system performance