一种实现输出电压时序控制的控制电路
申请公布号:CN103809649A
申请号:CN201210441108.5
申请日期:2012.11.07
申请公布日期:2014.05.21
发明人:桂鸿;颜春霞
分类号:G05F1/569(2006.01)I
主分类号:G05F1/569(2006.01)I
代理人:张大威
地址:518118 广东省深圳市坪山新区比亚迪路3009号
摘要:本发明提出了一种实现输出电压时序控制的控制电路,包括一个MOS管及用于驱动所述MOS管的三极管,所述三极管的基极与控制信号输入端相连,所述控制信号的时序与用电设备的用电电压时序相同,所述三极管的驱动端与所述MOS管的栅极相连,所述MOS管的源极和漏极的一端与外部电源输入端相连,另一端与用电设备输出端相连。本发明的控制电路能够控制电源电压向用电设备的输出,在用电设备不用电时不向用电设备输出电压,从而减少电路耗电,提高了用电设备和外部电源的安全性。
主权项:一种实现输出电压时序控制的控制电路,其特征在于,包括一个MOS管及用于驱动所述MOS管的三极管,所述三极管的基极与控制信号输入端相连,所述控制信号的时序与用电设备的用电电压时序相同,所述三极管的驱动端与所述MOS管的栅极相连,所述MOS管的源极和漏极的一端与外部电源输入端相连,另一端与用电设备输出端相连。
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