BQ76940: Cascading of two BQ76940 AFE's

Gururaja K

Part Number: BQ76940
Other Parts Discussed in Thread: MSP430G2955

Hi,

We are able to implement BQ76940 based 15 series smart BMS. Now we need to implement for 20 series BMS using cascading of two BQ76940 AFE's. If reference schematic is available, please share the same

Regards

Gururaja K

over 5 years ago

0 David Hien over 5 years ago

TI__Genius 10830 points

hi Gururaja,
Thank you for your interest in BQ76940.
Please have a look at this E2E post on how to stack 2 BQ769x0.

0 Gururaja K over 5 years ago in reply to David Hien

Prodigy 150 points

Hi David,

Thanks for quick reply.

Do you have reference BMS source code for MSP430G2955 controller which includes SOC & SOH .

Regards

Gururaja K

0 David Hien over 5 years ago in reply to Gururaja K

TI__Genius 10830 points

Guruja,
We have this sample code for the communication between bq76940 and a MSP430 but it does not include gauging (no SOC, no SOH).

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BQ76940: Cascading of two BQ76940 AFE's