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Question about ADP5091

Question asked by Kazu on Jul 4, 2018
Latest reply on Jul 4, 2018 by Kevin.Yao

Hi

 

I have two questions about ADP5091. Please take care of this case.

 

1. Question about MPPT value.

Please take a look at the attachment. I set the MPPT to 0.5 (10Mohm + 10Mohm resistor divider) but could not get 0.5 actually.

- How come I could not get MPPT=0.5? Is it because too low internal resistance of TEG?

- How can I get as close to 0.5 as possible?

 

2. I'd like to measure ADP5091 efficiency without BAT.

I want to know Effi = REG OUT Output power/Input power from TEG. However ADP5091 seems to be disabled without a rechargeable battery at BAT pin. How can I measure the efficiency without BAT?

 

Regards,

Kazu

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