WITHOUT THE HYPE - DIGITAL POWER IS A DECISION FOR THE CHIP COMPANY, NOT THE SYSTEM ENGINEER

摘要

Well-meaning but overzealous marketing departments have recently been hyping digital power, which has lingered in academia for decades (Figure 1). Now that some of that hype is dying down, it is time to examine where digital power fits, how it works, its drawbacks, and its tradeoffs (Reference 1). Despite the drawbacks, however, companies have developed and deployed parts that take advantage of the benefits of digital-control loops in situations in which these trade-offs don't matter.