Crosstalk, electromagnetic interference (EMI), and electrostatic discharge (ESD) can cause voltage spikes that destroy input circuitry. Signal line protection circuits significantly increase survivability by clamping over-voltage events, including those from ESD.
Power Protection and Control
|System Board||5984||MAXREFDES62#: RS-485 Communications Micro PLC Card|
|System Board||5983||MAXREFDES64#: 8-Channel, Digital-Input Micro PLC Card|
|System Board||5976||MAXREFDES63#: 8-Channel Digital Output Micro PLC Card|
|Reference Circuit||4365||Reference Design Using the MAX15026 for an Auxiliary Power Supply for LCD TVs or Set-Top Boxes|