【摘要】 提出了一种新型BiCMOS过热关断电路。该电路结构简单、功耗较低、迟滞温度范围基本保持不变,可集成在电源管理芯片中作为过热保护模块使用。采用0.6μm BiCMOS工艺,对电路进行HSPICE仿真,结果表明:该电路对电源电压有很强的抑制比,可用于2~12 V电源电压。更多还原

【Abstract】 A new type of BiCMOS thermal-shutdown circuit was presented,which could be used as a thermal protection module in power management ICs.This thermal-shutdown circuit features simple structure and low power dissipation.HSpice simulation based on 0.6 μm BiCMOS process showed that the circuit could operate at 2-12 V power supply with excellent capability of power supply rejection,更多还原