The BD86852MUF-CE2 is an electronic part manufactured by ROHM, and it's a Switching Voltage Regulators AECQ. This part is a fully-integrated switching regulator that includes integrated power MOSFETs, gate drivers, compensation circuitry, an on-chip oscillator, and voltage regulation functions. The device accepts both AC and DC input sources, and its 10-pin package makes it ideal for applications with limited space. It offers high efficiency and stable output voltage, and can be used in a variety of applications, such as computer systems, consumer electronics, and automotive electronics.