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Li-ion/Li-poly battery subsystem in a TM4C129 MCU based system

Hemant Kamat1
Intellectual 535 points
Other Parts Discussed in Thread: BQ27531-G1, BQ24316, TPS5450, BQ24195

Hello,

I am designing a TM4C123/129 based system that draws a maximum of 3A of intermittent current and about 250mA of constant current. I am using TPS5450 voltage regulator and combination of BQ24316, BQ24195 and BQ27531-G1 devices to realise the battery protection/charge/fuel gauge functions.

I would like to know if this is a good combination to realise the battery management system.

Thanks for your time.

Regards,

Hemant

  • 0
    Guru 47900 points

    Your post is quite good - yet would benefit from inclusion of the relative importance of the following:

    a) overall cost

    b) circuit size

    c) circuit performance

    d) expected production volume

    e) availability of basic eval board so that you may test/verify quickly w/out: board design, manufacture & build

    These aid your helpers (and you) in analysis...

    That "TPS5450" switching regulator includes a power FET - is claimed to source up to 5A continuous - and is a simple, 8 pin device.  (eases placement & layout)  Pricey in my book - but reviewers report good operational success.  BQ parts/issues are beyond my interest/pay grade...