摘要
利用高压集成功率集成器件,设计了一种用于电源管理IC的电流采样电路.此采样电路具有结构简单、精度高、耐高压(>800V)、低损耗等特点;同时实现了功率芯片的自供电功能,无需外加芯片供电电源.
A current sensing circuit for power management IC is proposed, using high voltage power devices. The presented current sensing circuit has the advantage of simple topology, high precision, high breakdown voltage （〉800 V） and low power consumption. It also realizes the function of self-power supply of the monolithic Power IC without additional electrical source.
出处
《电子器件》
CAS
2007年第3期826-828,共3页
Chinese Journal of Electron Devices
关键词
电源管理IC
电流采样
高精度
耐高压
power management IC
current sensing, high precision
high breakdown voltage
