BUY TDA4605-15 https://www.utsource.net/itm/p/440717.html
CONTROL CIRCUIT FOR SWITCH MODE POWER SUPPLIES USING MOS TRANSISTORSMOS
Description: The TDA4605-15 is a monolithic integrated circuit designed for use in automotive applications. It is a high-efficiency, low-noise, low-distortion, low-cost, low-power amplifier. Features: Low noise and distortion Low power consumption High efficiency Low cost Wide operating temperature range High output power Short-circuit protection Over-temperature protection Over-voltage protection Over-current protection Applications: The TDA4605-15 is suitable for use in automotive audio systems, such as car radios, car amplifiers, and car speakers. It can also be used in other audio applications, such as home audio systems and portable audio devices. (For reference only)