As a product of this era, IC card prepaid power meter meet the electric power industry's ever-increasing demands which about energy's measurement, control and management from the technical.

IC卡预支费电能表作为这一时代的产物，从技术上满足了电力产业对电能的计量，控制与治理提出的越来越高的要求。

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A novel control circuit of power supply management Integrated Circuit (IC) with PSM and current limit state machine is designed in this paper;

设计了一种采用跨周期调制与电流极限状态机相结合工作模式的新型电源管理IC；

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