TI TPS61094静态电流60nA双向降压/升压转换器解决方案  

出　　处：《世界电子元器件》2022年第2期59-64,共6页Global Electronics China

摘　　要：TI公司的TPS61094是带旁路开关的同步双向降压/升压转换器,具有宽输入电压范围和输出电压,高达5.5V.当TPS61094工作在降压模式和给超级电容充电,充电电流和终点电压可用两个外接电阻可编程,当TPS61094工作在升压模式,输出电压可用外接一个电阻编程.在自动降压或升压模式(EN=1,MODE=1),当输入电源加电时,器件旁路输入电压到输出,同时能对备份超级电容进行充电.当输入电源未连接或低于输出目标电压,TPS61094进入升压模式,从备份超级电容调整输出电压.在这种模式,TPS61094消耗60n A静态电流.The TPS61094 is a synchronous bi-directional buck/boost converter with bypass switch.The device provides a power supply solution for smart meter and super capacitor backup power applications.The TPS61094 has a wide input voltage range and output voltage up to 5.5 V.When the TPS61094 works in Buck mode and charges the supercap,the charging current and the termination voltage are programmable with two external resistors.When the TPS61094 works in Boost mode,the output voltage is programmable with an external resistor.

关 键 词：输出电压 静态电流 旁路开关 充电电流 降压/升压 超级电容 自动降压 外接电阻 

分 类 号：TM46[电气工程—电器]