TIDA-010247: Question about TIDA-010247 for 20s cell pack wire connections

Tom Tsao

Expert 1420 points

Part Number: TIDA-010247
Other Parts Discussed in Thread: BQ76942

Tool/software:

Hi E2E,

The diagram below is my 20-cell battery pack wiring diagram.

Can I choose to connect only VC10B or UPGND to the board, and then connect VC10B and UPGND together on the board?

+1 Kian Lin 9 months ago

Hi Tom,

Yes you can. You should notice the current flow from BAT+ to UPGND which may cause IR drop affect measurement accuracy.

But if you only have AFE on high side. it is okay to connect them together.

BRs

Kian

+1 Tom Tsao 9 months ago in reply to Kian Lin

Expert 1420 points

I want to connect my pack to TIDA-010247.

VC0 ~ VC10 connect to bottom BQ76942 and VC10B ~ VC20 connect to top BQ76942.

Is it okay to connect VC10B and UPGND together?

+1 Kian Lin 9 months ago in reply to Tom Tsao

Hi Tom,

It is okay. Cell10b is connected to UPGND in TIDA-010247.

BRs

Kian

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