3 Replies Latest reply on Jul 24, 2018 3:45 AM by rajivv_36

Is it possible to use CapSense_ADC to measure the DieTemp?

PeSw_2288441 Jul 23, 2018 8:31 PM

Using PSoC Creator 4.2 schematic designer, there doesn't seem to be a way to connect the DieTemp output connection to a CapSense_ADC input connection, as the CapSense_ADC component doesn't expose any connections in the schematic designer.

It looks as if the CapSense_ADC inputs can only be connected to external pins and not to internal connections.

Therefore, should I connect the DieTemp output to an external pin and then to the CapSense_ADC input pin (possibly the same pin) or is there a better solution?

Thanks

Pete

1. Re: Is it possible to use CapSense_ADC to measure the DieTemp?

rajivv_36 Jul 23, 2018 10:51 PM (in response to PeSw_2288441)

Hello Pete,

DieTemp is designed to be used with the SAR ADC. Is there any specific reason for using CapSense_ADC?

-Rajiv
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2. Re: Is it possible to use CapSense_ADC to measure the DieTemp?

PeSw_2288441 Jul 24, 2018 3:43 AM (in response to rajivv_36)

Hi Rajiv

The aim was to find the smallest packaged PSoC available with both CapSense and DieTemp components.
So removing the dependency on using a dedicated ADC component was hopefully going to help achieve this goal.

After look at a range of devices however, it seems that if the device doesn't have a dedicated ADC component it also doesn't have a DieTemp component.

Thanks for your response

Pete
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3. Re: Is it possible to use CapSense_ADC to measure the DieTemp?

rajivv_36 Jul 24, 2018 3:45 AM (in response to PeSw_2288441)

That is correct, Pete. DieTemp comes with the SAR ADC.

-Rajiv
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