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NTC Temperature Sensors for Battery Management

To customize the function of an automotive intake air temperature (IAT) sensor, you can modify the sensor’s signal output to the Engine Control Unit (ECU). This is typically achieved by adding resistance in series or parallel with the sensor, effectively altering the voltage signal the ECU receives. This can be done using a potentiometer (variable resistor) or a fixed resistor. Changing the IAT signal can influence the ECU’s decisions regarding fuel delivery and ignition timing, potentially affecting engine performance.

PT1000 and PT100 Temperature Sensors for Lithium Batteries

Are you currently designing a BMS circuit or conducting battery testing? If this is a new project, I highly recommend opting directly for the PT1000 to simplify noise immunity design; however, if compatibility with legacy equipment is a requirement, selecting the PT100 would be the more prudent choice. Would you like me to provide further details regarding the specific design of the signal acquisition circuitry?