BQ20Z655: bq20z655

JEDDA HAMDI

Part Number: BQ20Z655

Hello,

i have a problèm too starte communication with the BQ20z655. the BQ evaluation softwear did not detect it . see m'y schema in attache case.

can someone helpe me.

Jedda Hamdibq20z655 (1).pdf

over 8 years ago

0 dMax over 8 years ago

TI__Genius 14985 points

Hi Jedda,

What are you using the attempt communication? Are you using an EV2300 or EV2400? What is the message you get when you launch bqStudio?

Also, just to make sure the device is powering up correctly, can you please measure the voltages on the REG33, REG25, /MRST, SMBD, and SMBC pins?

0 JEDDA HAMDI over 8 years ago in reply to dMax

Prodigy 30 points

Hi dMAX,

I use EV2300, the message is that he did not dectect the device.

i did not have reg33 and reg25. I saw in the datasheet that it was necessary to put a capacitor on reg33 and reg25. I miss the one of reg33 I will put it tomorrow to try.

thanks

0 JEDDA HAMDI over 8 years ago in reply to dMax

Prodigy 30 points

THAT IS OK

I miss the THE CAPACITOR ON REG33

THANKS dMax

Power management

Power management forum

BQ20Z655: bq20z655