Texas Instruments BQ25756 | Demoboard BQ25756EVM

Description

The BQ25756EVM evaluation module (EVM) is a complete evaluation system for the BQ25756 IC, a 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.

Features

• 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

Typical applications

• USB-PD EPR (Extended Power Range)
• Robotic lawn mower, Cordless power tool, Garden tool, Cordless vacuum cleaner, Vacuum robot
• Solar charger
• Kick eScooter, eBike
• Portable power station

More information

• Datasheet
• IC product information