Hello,
I'm designing a resistive load bank. Currently, I am designing the switch that will be controlled by a control signal via Arduino uno rev 3. The bidirectional switch is composed of two back-to-back igbts connected by their emitters with anti-parallel diodes. (Due to cost, there are two igbts instead of a single igbt module).
My question is:
How do I select the appropriate gate driver for a back-to-back igbt switch?
As shown, The gates are connected together.
Based on my research, the following parameters are needed: gate charge, Iout, Iout pk., Vce, and number of channels? But to calculate Iout, we need switching frequency.
This load bank does not require PWM. Therefore, what is an appropriate switching frequency to calc. current requirements?
Additionally, since the gate is shared between two IGBTs, will I have to account for current division?
Total Gate Charge: 100nC at 15V per device
Any help will be greatly appreciated!
IGBT datasheet: https://www.microsemi.com/document-portal/doc_download/6730-apt20gt60brdq1g-datasheet
I'm designing a resistive load bank. Currently, I am designing the switch that will be controlled by a control signal via Arduino uno rev 3. The bidirectional switch is composed of two back-to-back igbts connected by their emitters with anti-parallel diodes. (Due to cost, there are two igbts instead of a single igbt module).
My question is:
How do I select the appropriate gate driver for a back-to-back igbt switch?
As shown, The gates are connected together.
Based on my research, the following parameters are needed: gate charge, Iout, Iout pk., Vce, and number of channels? But to calculate Iout, we need switching frequency.
This load bank does not require PWM. Therefore, what is an appropriate switching frequency to calc. current requirements?
Additionally, since the gate is shared between two IGBTs, will I have to account for current division?
Total Gate Charge: 100nC at 15V per device
Any help will be greatly appreciated!
IGBT datasheet: https://www.microsemi.com/document-portal/doc_download/6730-apt20gt60brdq1g-datasheet