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[Solved] Unable to update charging current of Dell XCMRD with BQ8055-D1 chip

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Habib Ullah
 Habib Ullah
(@sajid)
Reputable Member Customer
Posted by: @djibattworkshop

tester could measure it correctly

Its my fault the meter could not measure diod value correctly no I have change the meter...

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Topic starter Posted : 22/09/2023 1:00 pm
DjiBattWorkshop
 DjiBattWorkshop
(@djibattworkshop)
Member Moderator

Values not looks like they should be on working battery. Probably there is an issue on the pcb. 

 

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Posted : 22/09/2023 2:23 pm
Habib Ullah
 Habib Ullah
(@sajid)
Reputable Member Customer

@djibattworkshop What shouls be the normal values?

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Topic starter Posted : 22/09/2023 2:30 pm
DjiBattWorkshop
 DjiBattWorkshop
(@djibattworkshop)
Member Moderator

Direct diode check - OL

Reverse diode check - 0.5 - 0.9v 

you could take any working battery and check correct values 

 

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Posted : 22/09/2023 5:09 pm
Habib Ullah liked
Habib Ullah
 Habib Ullah
(@sajid)
Reputable Member Customer

@djibattworkshop PCB is faulty and it is replaced with healthy one LoL  

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Topic starter Posted : 24/09/2023 6:44 am
DjiBattWorkshop
 DjiBattWorkshop
(@djibattworkshop)
Member Moderator

 Check if new pcb programmed to 4.20 or to 4.35v type of cells. 

 

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Posted : 24/09/2023 8:42 am
Habib Ullah
 Habib Ullah
(@sajid)
Reputable Member Customer

@djibattworkshop That was BQ30z55 chip and programmed as per your guidelines about cell specifications also handed over to customer. BQEVSW did this....

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Topic starter Posted : 24/09/2023 10:47 am
DjiBattWorkshop
 DjiBattWorkshop
(@djibattworkshop)
Member Moderator

Does bq30z55 pcb fit XCMRD battery ?.. 

 

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Posted : 24/09/2023 11:35 am
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