BQ25756 evaluation module for 1- to 14-cell bidirectional buck-boost battery charge controller

BQ25756EVM

BQ25756 evaluation module for 1- to 14-cell bidirectional buck-boost battery charge controller

The BQ25756EVM evaluation module (EVM) is a complete evaluation system for the BQ25756 IC, buck-boost battery charge controller with a wide input range of 4.2V - 70V, a wide output voltage range of up to 70V, and bi-directional capabilities.The BQ25756EVM has a max input and output of 55V and a max charge current of 10A.

• Wide input voltage operating range: 4.2 V–55 V
• Wide output operating range: up to 55V with CC/CV support for:

       – 2– to 13–Cell Li-Ion

       – 2– to 14–Cell LiFePO4

• Synchronous buck-boost DC/DC charge controller with NFET drivers

      – Adjustable switching frequency from 200kHz to 600kHz

      – Optional synchronization to external clock

      – Optional gate driver supply input for optimized efficiency

• Resistor-programmable standalone with added I2C Mode
• Built in MPPT to maximize power from solar panel arrays
• Power up from battery (reverse mode) output 4V to 55V
• High safety integration

      – Adjustable input overvoltage and undervoltage protection

      – Output Overvoltage and overcurrent protection