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LTC4100 Current jump during Charge

Category: Software
Product Number: LTC4100

Hello Team,

I am using LTC4100 Evaluation Board DC512B.

Max Current Set to 3A and Cells number is 4.

Using SMbus ,I am setting changing Current Value. Max current i am setting is 1.4Amps during whole charge cycle.

Now , when Set to current less than 1.4A like 800mA , 1.2A  then successfully set. but during charging we some time gets jumps of 1.4A while Charging current Set is 800mA / 1.2A. It remains 1.4A till we write 800mA on next Cycle.

Also , Same behavior on startup , I set Voltage and current to Zero but after 30-40 Sec it automatically becomes 1.4A. Strange ? 

Charging Voltage = 16.8V. Current and voltage set Every 20Sec Interval.

Can you suggest what could be the issue ?

 -Regards



Also , Same behavior on startup , I set Voltage and current to Zero but after 30-40 Sec it automatically becomes 1.4A. Strange ?
[edited by: Bsuthar at 10:56 AM (GMT -4) on 29 Jul 2022]
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