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The MOSFET outputs control DC loads only. River buttercup. To control AC loads, use the AC Relay Wildcard. The simplified schematic 1) of Figure 1 shows how the board's opto-isolated low side driver, an open-drain MOSFET 2), connects to your external circuitry, including the field supply and electrical load. As far as the MOSFET is concerned, an optocoupler is just a transistor. As far as the microcontroller is concerned, an optocoupler is just an LED. So, all you need is a normal transistor-driven MOSFET circuit, and a normal microcontroller-driven LED circuit. Here's an example of driving a MOSFET with a transistor.
CHICAGO, January 13, 2021 - Littelfuse, Inc. (NASDAQ: LFUS), a global manufacturer of leading technologies in circuit protection, power control and sensing, today announced the CPC1561B Solid State Relay (SSR). The CPC1561B is the highest current (1 A, 60 V) normally open SSR currently available on the market to integrate both current-limiting and thermal shutdown circuits. The small, surface-mount CPC1561B SSR’s dual fault protection benefit provides a rugged solution for demanding applications that is not possible when using electro-mechanical relays and standard SSRs. Typical markets and applications for the CPC1561B include:
• Smart homes
• Building Automation
Optocoupler Mosfet Relay
• Gaming
• Instrumentation
• Battery powered systems
How Do I Choose My Optocoupler To Drive A Solenoid With A MOSFET?
'The CPC1561B is ideal for markets and applications that cannot be down for long periods of time due to over current, over temperature and electrical stress,' said Steve Andrezyk, Director of Marketing for Littelfuse-IXYS Integrated Circuits. 'The CPC1561B output relay can survive harsh conditions and resume normal operation once the fault is removed, thus reducing product down-time and potentially eliminating service call time as the SSR both protects itself and resets to resume normal operation.'