BQ40Z60EVM-578: BQ40Z60

Umit Torun

Part Number: BQ40Z60EVM-578

In EVM schematic, it seems like ACFet (Q5) connection is wrong.It allows the current is always flown by the fets internal diode. Will you please confirm ...

Best Regards,

Umit Torun.

over 7 years ago

0 Bryan Kahler over 7 years ago

TI__Mastermind 25955 points

Hi Umit,

The body diode of ACFet (Q5) does double duty as a cost saving measure - it is being used for reverse voltage protection for the VCC pin. Please see section 9.2.2.5 Input Filter Design in the Datasheet for more details www.ti.com/.../bq40z60.pdf

Sincerely,
Bryan Kahler

Power management

Power management forum

BQ40Z60EVM-578: BQ40Z60