High-Performance & Low-Cost Digital Power Supply

This design introduces the first interleaved CrM PFC + LLC power supply that utilizes an inverter micro MCU (RL78/G24) by Renesas. It can output three channels: main power, audio power, and backlight unit power. The RL78/G24 digitally controls all operations, achieving power efficiency that far exceeds that of conventional analog TVs with ultra-low power consumption.

System Benefits:

• Achieves high efficiency of over 94%
• Reduces standby and light-load operation current
• Supports various circuit topologies with an MCU
• Reduces total cost by reducing the number of components
• Reduces development time and cost by supporting a solution board and software