SNOAA72A May   2021  – January 2022 LMP7704-SP , TL1431-SP

 

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Transient Simulation Results

The following simulation shows the system response as a function of time. The control input voltage varies from 5.25V to 0.25V and back to 5.25V. The TEC voltage and current vary from –4.5V to 4.5V and –2.5A to 2.5A, respectively. This meets the TEC design specifications. The gate signals can be seen as inversions of one another (as designed) and ranging from 1.36V to 7.63V to achieve –2.5A to 2.5A through the TEC. This implies that VmaxGate based on the MOSFETs selected is 7.63V.