1. What is a digital power supply? What is the most essential difference between it and an analog power supply? I believe that the essence of a so-called digital power supply is that the PWM regulation of the output current/voltage is generated by a digital chip according to a certain digital control method and algorithm. This is the most essential feature of a digital power supply. Power supplies that have expanded 8-bit or 16-bit microcontrollers to provide digital input and output operation interfaces and remote communication interfaces, but whose PWM regulation still relies on analog power modulation chips, can only be said to have the face of a digital power supply, but not the \"core\" of a digital power supply. 2. What are the technical bottlenecks in the implementation of digital power supplies?
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