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ULC1001-DRV290XEVM: Temperature Detection

Part Number: ULC1001-DRV290XEVM
Other Parts Discussed in Thread: ULC1001

Hi

When we read the evm user guide, we saw that it stated that the Tranducer's temperature can be known through the temperature versus impedance slope at an ambient temperature of 23°C.

However, in order to apply this to a car, we need to apply it to a higher temperature state or changing temperature rather than room temperature (fixed temperature).

For example, if the external temperature is -20 °C or +60 °C instead of 23 °C, a much lower or higher external temperature can send a different temperature signal according to the temperature versus impedance graph.

In that case, I think it will be meaningless temperature sensing by non-fixed temperature.

Is there any function or solution that detects the external temperature inside the ULC1001 system?

Best regards

Junoh Lee