Battery Power Bank Design

Stas Kogan

Other Parts Discussed in Thread: BQ28Z610, BQ40Z50, BQ40Z50-R1, BQ40Z50-R2

Hi, I am starting my first project and I want to design a BMS for battery power bank of 10000mAh.

I want the output to be 5V and 3A , 15W .

I would like to get help to choose the AFE + GUGE and for this project.

much regards.

over 2 years ago

0 Shirish over 2 years ago

TI__Guru 57697 points

Hello Stas,

Which kind of cells do you plan to use?

0 Stas Kogan over 2 years ago in reply to Shirish

Prodigy 165 points

HI, I tought to use litium-ion cell
model name: INR18650-35E
but if you have another suggestions I'll be happt to know.

0 Shirish over 2 years ago in reply to Stas Kogan

TI__Guru 57697 points

Hello Stas,

You will probably use 2 series cells. I recommend bq28z610 or bq40z50 for 2S packs.

0 Stas Kogan over 2 years ago in reply to Shirish

Prodigy 165 points

Thank you very much

0 Stas Kogan over 2 years ago in reply to Shirish

Prodigy 165 points

HI following your comment i would like to know if you recommend using bq40z50-R1 or bq40z50-R2?

0 Stas Kogan over 2 years ago in reply to Shirish

Prodigy 165 points

HI following your comment i would like to know if you recommend using bq40z50-R1 or bq40z50-R2?

0 Shirish over 2 years ago in reply to Stas Kogan

TI__Guru 57697 points

Hello Stas,

We recommend using the latest. The bq40z50-R1 or bq40z50-R2 differ only in firmware.

You can find the latest firmware here www.ti.com/.../BQ40Z50-DEVICE-FW

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Battery Power Bank Design