BQ40Z80EVM-020: what is the effect of diode in bq40z80 sch？

user5141498

Intellectual 380 points

Part Number: BQ40Z80EVM-020
Other Parts Discussed in Thread: BQ40Z50

hi ti engineer:

what is the effect of D2 , D1 and D3,,, the bq40z50 not have this, thank you!

over 6 years ago

0 Kang Kang over 6 years ago

TI__Mastermind 24870 points

I'm not sure what the diodes are used for. We are checking with design team. I would imagine they are there to keep the voltage steady between Pack and the gate, however, I see that you can also do this with a resistor.

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BQ40Z80EVM-020: what is the effect of diode in bq40z80 sch？