BQ25750: Using this charger with smart battery of 7s1p

karan mittal

Part Number: BQ25750

we have Smart battery of 7S we are thinking to use BQ25750 charger with microntroller as smbus 7S battery chargers are not available. just want to know can controller work and talk with smart battery smbus and act like level 2 charger

So the Controller will talk to smart battery and charger directly

charger and smart will not talk to each, always through controller, and controller will act as level 3 charger

so can we do it like this ?

Thanks in advance

over 1 year ago

0 Utsav Gupta over 1 year ago

TI__Expert 3070 points

Hi Karan,

It depends on your controller. The charger can communicate fine using I2C. From charger point of view, I see no issue here.

0 karan mittal over 1 year ago in reply to Utsav Gupta

Prodigy 70 points

Thanks for quick reply, so charger to controller no issue, now smart battery smbus to controller is this work normally, i know its not related to TI , but still if you can through some light on it

and one more thing does TI has any 7S lithium ion smart battery charger level 3.

0 Utsav Gupta over 1 year ago in reply to karan mittal

TI__Expert 3070 points

Hi Karan,

TI has multiple battery chargers qwhich can support 7S and beyond, even upto 14S or 16S. Please elaborate what you mean by Level 3 charger or Level 2 charger ? Furthermore, what do you mean by smart battery ? Please provide some details so that I can provide my opinion.

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BQ25750: Using this charger with smart battery of 7s1p