High-side driving switch circuit

The utility model discloses a high-side driving switch circuit, which comprises a pulse generating circuit module, an automatic booster circuit module and an NMOS (N-channel Metal Oxide Semiconductor) driving circuit module, the output end of the pulse generation circuit module is connected with the input end of the automatic booster circuit module; the output end of the automatic booster circuit module is connected with the control end of the NMOS drive circuit module; the input end of the NMOS driving circuit module is connected with a power supply, and the output end of the NMOS driving circuit module is externally connected with a load. The high-side driving switch circuit disclosed by the utility model is low in implementation cost and can be suitable for occasions with high-power loads. 本实用新型公开一种高边驱动开关电路，包括：脉冲产生电路模块、自动升压电路模块及NMOS驱动电路模块；所述脉冲产生电路模块的输出端与所述自动升压电路模块的输入端连接；所述自动升压电路模块的输出端与所述NMOS驱动电路模块的控制端连接；所述NMOS驱动电路模块的输入端接供电电源，所述NMOS驱动电路模块的输出端外接负载。本实用新型公开的高边驱动开关电路，实现成本低，且能适用于大功率负载的场合。