The NCP81239MNTXG is a switching controller from ON Semiconductor that provides configurable four switch power control solutions. The NCP81239MNTXG is specially designed for microcontroller (MCU) interfaces. It features an I2C interface for programmable switching, over-current and reverse blocking protection. The device is capable of controlling up to four dies and the switching speed can range from 0.5MHz to 4MHz. Additionally, the low power operation feature enables optimal performance and power savings, making it perfect for a wide range of applications, including LED lighting, portable devices, cellphones, and industrial applications. The NCP81239MNTXG is available in a 16-pin TSSOP package.