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Digital Isolators are a more modern alternative to optocouplers, offering improved performance with lower power dissipation. They’re also much easier to implement in a design since the inputs and outputs use standard digital logic. Standard digital isolators have different numbers of input and...
Digital Isolators use a coupling element such as a transformer to pass signals across a high-impedance barrier. An input signal (digital or analog) is typically encoded and passed across the coupling element, then decoded to recreate the original signal. An in-depth description of the design...
An alternate approach to using an optocoupler would be a digital isolator. Digital Isolators are a more modern alternative to optocouplers, offering improved performance with lower power dissipation. They’re also much easier to implement in a design since the inputs and outputs use standard...
An alternate approach to the optocouplers in this design would be a digital isolator. Digital Isolators are a more modern alternative to optocouplers, offering improved performance with lower power dissipation. They’re also much easier to implement in a design since the inputs and outputs use...
A fair point - as we know, the engineering discipline is defined by trade-offs!
There are fairly straightforward techniques to mitigate EMC issues documented in this application note:
https://www.analog.com/static/imported-files/application_notes/AN-1109.pdf
Analog Devices offers isolated gate drivers that would replace the two optocouplers and the gate driver IC in a much smaller package. Propagation delays for iCoupler products are up to 5x lower than for optocouplers and matching is much better. They’re also much easier to implement in a design...
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