A hot-swap protection circuit based on JW7221 is designed,which integrates hot-swap function,AC/DC input switching,input anti-reverse protection,input over/under voltage protection,input over current protection,MOSFET power protection and automatic restart function.The correctness and validity of the hot-swap protection circuit are verified by the sample test,which can effectively improve the reliability and fast maintainability of communication equipment.
关键词
JW7221/热插拔/SOA/可靠性/通信电源
Key words
JW7221/hot swap/SOA/reliability/communication power supply