BD9400BFP Overview
The BD9400BFP can be bined with the BD9401FM/BD9403FV to create application-specific system power supplies. It can be controlled using an I2C BUS. The BD9400BFP is a main control chip featuring an I2C BUS bidirectional munications function, a VDD LDO (for microcontroller use), a VDD reset, and BD9401FM/BD9403FV control circuits.