BQ27750: Chemistry ID selection

Tommy Tzeng

Genius 5690 points

Part Number: BQ27750

Hi Team,

question for BQ27750 chemistry ID selection.

1. Battery Pack: Charge Voltage: 4.35V，Discharge Cut-off Voltage:

Cut-off 3.0V

2.how to choose many suitable chemical ID of GPCCHEM?(same capacity? material and voltage?)

3.please kindly help to select the applicable chemistry ID,thsnk.

4.Attachment is Config-report: GPCCHEM return data and Polymer 955255: Cell Spec.

0 Rushi_Dalal over 5 years ago

Hi Tommy,

Typically recommend to use a ChemID that have <3% error match.

Thanks,

Rushi

0 Andy Liu (BMS) over 5 years ago

Hi Tommy,

You can use the best matching id 1216 that is already recommended in the GPC report.

Andy

0 Rushi_Dalal over 5 years ago

Tommy,

ChemID 3162 appears to be a closer match in regards to charging voltage and capacity.

Thanks,

Rushi

0 Tommy Tzeng over 5 years ago in reply to Rushi_Dalal

Genius 5690 points

Hi Rushi & Andy,

thanks for your suggestion and grest support, if we still have question, we will provide again,thanks.

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