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通過采用無橋PFC和半橋LLC諧振變換器作為數字開關電源的主變換拓撲,基于STM32系列微控制器的全數字控制PFC和DC-DC變換器,首先對數字化開關電源方案進行對比,然后闡述了200W數字開關電源整體方案,并對數字開關電源的無橋PFC和半橋LLC變換器進行系統研究。By using a bridgeless PFC and a half-bridge LLC resonant converter as the main conversion topology of the digital switching power supply,the all-digital control PFC and DC-DC converter based on the STM32 series of microcontrollers,firstly the digital switching power supply scheme is compared,and then the overall scheme of 200 W digital switching power supply is expounded, and the bridgeless PFC and half-bridge LLC converter of digital switching power supply are systematically studied.
NXP 推出 TEA2016 系列 PFC + LLC 架構 ,針對效率要求日益增加的 Adapter 提升輕載及空載的效率 , 以達到高效率的要求 . 恩智浦半導體提供TEA2016 ( PFC+ LLC )可數位控制電源 IC ( digital power ic ) . 使用 digital power ic 架構能將電路簡單化 ,元件最少 ,有效降低成本及效率最佳化 。
