This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

90V-246V输入,输出低压大电流恒流方案



现有个案子,输入全电压,输出4V-8V可调,输出0-70A可调,20A-70A可精确控制(1%的精度)。控制我会用单片机去控制。

现在问题是这输出用什么电源的IC可以实现。PFC我打算用infineon的ICE2PCS02,但主电路做单级可以实现还是必须要做双级?用全桥还是半桥还是正激?还是全桥(或半桥)+BUCK恒流?TI有什么IC可以做的吗?