Effects of single tone RF interferences on chopped operational amplifiers

Lavarda, Andrea; Deutschmann, Bernd

doi:10.1109/isemc.2015.7256139

Cited by 2 publications

(1 citation statement)

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“…which are often used in such temperature monitoring systems often suffer from a high electromagnetic susceptibility [28,29]. In order to analyze the behavior of the over temperature monitoring under EMI of smart power high side switches, several commercially available automotive devices from different IC manufacturers were investigated.…”

Section: Fig 3 Temperature Sensor Circuit To Monitor the Temperaturmentioning

confidence: 99%

Impact of electromagnetic interference on the functional safety of smart power devices for automotive applications

Deutschmann

Winkler

Kastner

2018

Elektrotech. Inftech.

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Integrated smart power devices gain more and more importance in the field of automotive systems. In addition to power transistors such devices usually contain several integrated diagnostic and protection functions. In the event of a fault these functions enable the connected control unit to react appropriately and to protect the application and thus the people. Smart power devices are often responsible for important tasks within a vehicle and are nowadays more and more used to substitute conventional elements like fuses, relays and switches. During the operation they are often exposed to harsh environmental conditions such as high operating temperatures, mechanical stress, etc. At the same time different electromagnetic interferences (EMI) may occur, which can affect their normal functionality. Especially in safety-critical applications such as the airbag control module or the Anti-lock Braking System their correct function is very important to avoid dangerous operating conditions and to ensure functional safety. Based on EMI investigations on a representative smart power high side switch it is shown in this paper to what degree of electromagnetic interference smart power devices are still able to correctly detect critical fault conditions and remain in their fail-save state.

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Section: Fig 3 Temperature Sensor Circuit To Monitor the Temperaturmentioning

confidence: 99%