BUY HX5104NL https://www.utsource.net/itm/p/8946276.html

Description: HX5104NL is a pulse width modulation (PWM) controller IC with a built-in voltage regulator. Features: - Low power consumption - Built-in voltage regulator - High accuracy PWM control - Over temperature protection - Over voltage protection - Short circuit protection Applications: - Motor control - LED lighting - Battery charging - Power supply (For reference only)