I'm designing an ESP-based WLED controller board for WS2815 12V LED strips, with a primary focus on energy efficiency.
To minimize power consumption, my goal is to completely shut down the system when the LED strip is turned off.
However, the current buck converter powering the ESP module draws about 8 watts even when the LEDs are idle, making it unsuitable for low-power operation.
I am using below components:
- Buck Converter: TPS562201 (12V → 5V regulated)
- Microcontroller: XIAO ESP32-C3 (with built-in USB-C)
- LED Strip: WS2815 (12V digital LED strip)
- Switching
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