CC2652RB: power consumption is high

junde deng

Part Number: CC2652RB
Other Parts Discussed in Thread: SYSCONFIG

Hi TI,

I am working with CC2652RB, after I flash the firmware to CC2652RB, it's CCFG area as below:

the yellow areas is mean the value is differ with default, which is the reason of high power consumption.(I modify those byte to default, the power consumption is low).

But actually I don't know which one is the most important and where it be config?

Thank you very much!

over 3 years ago

0 YiKai Chen over 3 years ago

Guru 735685 points

Can you elaborate what example you run on your CC2652RB? I would suggest you to refer to application note: Measuring CC13xx and CC26xx current consumption to do the test first.

0 junde deng over 3 years ago in reply to YiKai Chen

Intellectual 280 points

I start from spimaster example in SDK4.30 and I can already measure the low power in empty example.

Actually, in my project, I just neet change those bytes to default value, the power is low enough.

0 YiKai Chen over 3 years ago in reply to junde deng

Guru 735685 points

Maybe try to compare ccfg settings in your project and empty example to see what makes differences.

0 Clément over 3 years ago in reply to YiKai Chen

TI__Guru** 101460 points

Hi,

To complete the previous answer, you can leverage SysConfig to modify the CCFG content. Generally speaking, I would recommend this approach to modify the CCFG content, otherwise faulty configuration may be used and put the device in unexpected states.

I hope this will help,

Best regards,

0 junde deng over 3 years ago in reply to Clément

Intellectual 280 points

Hi,

I already check all the bytes, I found just one byte is wrong:

I can't find the information about the 2 functions.

could you tell me how to use it?

0 Clément over 3 years ago in reply to junde deng

TI__Guru** 101460 points

Hi,

I have noticed you have opened a separate thread to discuss this question (CC2652RB: About VDDR_CAP in CCFG) - thank you for that. Support will be provided on the new thread.

Best regards,

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CC2652RB: power consumption is high