摘要:介绍了锂离子电池保护电路UCC3957的特点及工作原理,并给出了3节或4节锂离子电池组的应用电路。关键词:锂离子电池;保护电路;过压;欠压;过充电;过放电;过流LithiumIonBatteryProtectorCircuitUCC3957 YUMing-hao Abstract:Thefeaturesandfunctionsoflithium-ionbatteryprotectorcircuitUCC3957areintroduced.Theapplicationcircuitsofthelithium-ionbatterystackconsistedofthreeorfourcel