Patents

摘要

Provided is a USB charger for electronic cigarettes, comprising a USB interface configured for connecting with a power supply and a load end configured for connecting with a load, wherein the USB charger for electronic cigarettes further comprises a voltage-comparison unit, a benchmark circuit, a sampling circuit, a current-detecting element, a state-indicating unit, and a low voltage difference linear regulator connected between the USB interface and the load end. The benchmark circuit is connected between an output end of the low voltage difference linear regulator and an input end of the voltage-comparison unit, and the state-indicating unit is connected with an output end of the voltage-comparison unit. The USB charger for electronic cigarettes of the present invention achieves advantages effects of being safer and improving users' experiences. U.S. Patent 9,167,853. Developed by Zhiyong Xiang, Guangdong, China.