BQ35100: When applied to a 4S battery board, how should the regin pin be connected?

ERIC CHEN

Part Number: BQ35100

Dear All,

When I want to use BQ35100 in a 4S1P circuit
How do I connect the regin pin?
Because I see that the REGIN PIN can only withstand 5.5V.
Is there any reference connection method? Is it necessary to add LDO?

Thanks!

4 天前

0 FRANK1 2 天前

TI__Intellectual 2890 points

The REGIN pin accepts any voltage level between 2.7 V and 4.5 V, which is optimum for single-cell Li-primary applications.

0 ERIC CHEN 2 天前

Prodigy 10 points

Thanks for your reply.
I know how to connect in case of single-cell
But how to connect regin pin it with 4s battery?

0 FRANK1 10 小时前回复 ERIC CHEN

TI__Intellectual 2890 points

The gauge can take an input voltage range defined in the section 6.3 Recommended Operating Conditions in the datasheet.

Input range for REGIN is 2.7V-4.5V for normal operation.

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BQ35100: When applied to a 4S battery board, how should the regin pin be connected?