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CSD19537Q3: Trying the solid-state relay design

Part Number: CSD19537Q3
Other Parts Discussed in Thread: TIDA-00377

Hi, guys. I saw this article and I wanted to use this application.

- AC signal generating ± 75V

- load 1k ~ 10k Ohm

- Using Arduino DUE to control the gate

Q0. This application is using two NFET CSD19537Q3, right?

Q1. The Arduino DUE provides 2.9V from the GPIO pin. Whereas the Threshold Voltage of CSD19537Q3 is 3V.

Can I use a different TI NFET?

Q2. Is there a single TRIAC solid-state relay (SSR) IC from TI? I need a switch using an AC signal.

Q3. Should the Arduino GND connected to between Source and Drain (Battery - side)?