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BQ28Z610-R1: Initial setup/configuration without EV2400 and bqstudio?

Michael Newton
Prodigy 10 points
Part Number: BQ28Z610-R1
Other Parts Discussed in Thread: BQ25883, , BQSTUDIO, EV2400, BQ28Z610

I have a pair of boards setup with a BQ25883 and BQ28z610-R1, as well as an ESP32-S3.

I've got the BQ28Z610-R1 board connected, and the ESP32-S3 can see the chip on I2C, but I'm trying to figure out how to setup the BQ28Z610-R1 in order to allow it to charge or discharge.

From what I've read on these forums, it seems to suggest that I need an EV2400 and BQstudio to set the battery chemistry up, but does that mean that if I design a product with the BQ28Z610-R1 into, I need to plug it into the EV2400 and manually configure the chemistry for *every* unit we build? Is there any way to just set up like normal over i2c from the microcontroller, or in some kind of setup jig?

Thanks,

-Michael

  • 0
    TI__Mastermind 28430 points

    Hi Michael,

    The usage of the EV2400 and bqStudio is to make the necessary configurations and learning cycle to a gauge for the application you are using it for. You only need to do this once, since you can export the .srec file and apply it to other gauges in manufacturing without the need to do it manually with the EV2400 and bqStudio. 

    Regards,

    Anthony Baldino

  • 0
    Prodigy 10 points
    Anthony said:
    you can export the .srec file and apply it to other gauges in manufacturing without the need to do it manually with the EV2400 and bqStudio

    HI Anthony,

    But there's no way to do the setup just over simple I2C registers? I'd still need some kind of external programming tool just for the BQ28Z610? Or figure out how to write to it directly from the ESP32.

  • 0 in reply to Michael Newton
    TI__Mastermind 28430 points

    Hi Michael,

    The main benefit of the usage of the EV2400 and bqStudio is the ability to pull the .srec file of the gauge, also known as the Golden Image file of the gauge. This file contains a compressed version of the configuration and firmware settings that can be implemented to other gauges quickly in production. If you do the setup over I2C registers, you will not have access the Golden Image file and will have to manually set the configuration and firmware settings for each gauge in production.

    Regards,

    Anthony Baldino