Unterschiede

Hier werden die Unterschiede zwischen zwei Versionen angezeigt.

--- professoren_webseiten:rebholz:course_a_power_electronics [2025/05/05 19:07] – [Experiment] hrebholz
+++ professoren_webseiten:rebholz:course_a_power_electronics [2025/06/27 07:17] (aktuell) – [PWM-Signals] hrebholz
@@ Zeile 84: / Zeile 84: @@
 {{ :professoren_webseiten:rebholz:irs2890.png?200 |}}
 Gate drivers are often equipped with additional features. Our driver can detect overcurrents and if necessary, will turn off all MOSFETs for safety. Since overcurrents in a simulation tool will not damage your PC or notebook, you can ignore this feature in the simulation. Pull up the RFE output and connect ITRIP to ground. \\
-Datasheet: {{ :professoren_webseiten:rebholz:infineon-irs2890ds-ds-v01_00-en.pdf |}}
+Datasheet: {{ :professoren_webseiten:rebholz:infineon-irs2890ds-ds-v01_00-en.pdf |}} \\
+Download {{ :professoren_webseiten:rebholz:irs2890ds.zip |}}  the model file for LTSpice.
 <WRAP center round todo 80%>
@@ Zeile 248: / Zeile 249: @@
 <WRAP center round todo 80%>
 **Task 9a**
-Use two oscilloscope probes to visualize the output signals for the high-side and low-side MOSFET. \\
+Use two oscilloscope probes to visualize the output signals of the µC for the high-side and low-side MOSFET. \\
 **Task 9b**
 Measure the minimum and maximum of the adjustable deadtime.\\
@@ Zeile 275: / Zeile 276: @@
 **Task 10a**
 Measure how long it takes for the driver to start doing anything when it receives a high signal and turns on the high-side MOSFET\\
+Attention: To measure the gate source voltage of the high-side MOSFET at differential voltage probe is needed. Do you now why? \\
 **Task 10b**
 How long does it take to bring the gate-source voltage to the desired value?\\
 **Task 10c**
-Determine the same values for turning the MOSFET off and for the low-side MOSFET.\\
+Determine the same values for turning the MOSFET off and for the low-side MOSFET. Do you also need a diffential probe? \\
 **Task 10d**
 Now set the frequency to 30 kHz. Does this make sense? What is your conclusion for the minimal duty cycle?
@@ Zeile 378: / Zeile 380: @@
 Please use the following parameters: \\
 Switching Frequency: 20kHz\\
-Inductor: 100µF \\
+Inductor: 100µH \\
 Capacitor: 4700µF \\
 Load: 25W, 5V, 5A \\