Products include operational amplifier, comparator, audio / video amplifier, AD/DA converter, analog switch, level conversion and interface circuit, LDO, microprocessor power supply voltage monitoring, DC / DC converter, backlight and flash LED drive, overvoltage protection and load switch, motor drive and MOSFET drive, battery protection and charge / discharge management chip, etc. The products are widely used in communication equipment, consumer electronics, industrial control, medical instruments, Internet of things, new energy and automotive electronics.