摘要
介绍了一种大电流高精度集成汽车电压调节器的设计原理及电路结构。该集成汽车电压调节器由基准电压源、比较放大器、保护电路和调整管等单元组成。该电路采用硅双极型对通隔离功率IC工艺研制,具有过流/过压、过热保护功能,以及电压调节精度高、调整电流大等特点。
A large current and high-precision integrated automotive voltage regulator was presented, which consisted of startup circuit, reference voltage source, comparator amplifier, protection circuits and pass transistors. Fabricated in Si bipolar power IC process with punch-through isolation, the voltage regulator features high-precision and large current, as well as over-current / over-voltage / over-heat protection functions.
出处
《微电子学》
CAS
CSCD
北大核心
2009年第4期491-495,共5页
Microelectronics
基金
贵州省工业科技攻关项目<单片型汽车电子调节器芯片研制>(黔科合GY字[2006]3016)
贵州省工业科技攻关项目<高精度低漂移集成电压基准源研究与试制>(黔科合GY字[2008]3033)
关键词
汽车电压调节器
基准电压源
过热保护
双极集成电路
Automotive voltage regulator
Reference voltage source
Over-heat protection
Bipolar IC