Actions
Forum Thread Details
  • Replies 15 replies
  • Subscribers 2654 subscribers
  • Views 794 views
  • Users 0 members are here
Related

Can you safely review this Digital Isolator?

OwainM

Hey everyone,

I'm trying to work out how suitable the Toshiba DCM340L01  is for a RoadTest and would appreciate your input.

Reading through the datasheet it seems quite interesting, but due to the voltage it claims to be able to insulate from (5000Vrms), I'm not sure what equipment is required to put it through its paces.

What additional equipment might you need for a RoadTest?



Rather than just the IC alone, the chip is provided on a break-out board, as shown below.
image

The following documentation for the chip is provided from the manufacturer:

Parents

  • In my opinion, it can be reviewed safely as long as the scope of the testing is clearly defined.

    In a RoadTest environment, I would not attempt to validate the full isolation rating (kV-level testing),
    since that requires specialised high-voltage equipment and controlled safety procedures. I would
    treat the isolation rating as a specification to trust from the manufacturer rather than something to
    validate in a home lab environment. Instead, I would focus on signal integrity, propagation delay,
    channel skew, power consumption, noise immunity and overall behaviour under realistic operating
    conditions.

    That would still provide meaningful engineering insight without introducing unnecessary risk.

Reply

  • In my opinion, it can be reviewed safely as long as the scope of the testing is clearly defined.

    In a RoadTest environment, I would not attempt to validate the full isolation rating (kV-level testing),
    since that requires specialised high-voltage equipment and controlled safety procedures. I would
    treat the isolation rating as a specification to trust from the manufacturer rather than something to
    validate in a home lab environment. Instead, I would focus on signal integrity, propagation delay,
    channel skew, power consumption, noise immunity and overall behaviour under realistic operating
    conditions.

    That would still provide meaningful engineering insight without introducing unnecessary risk.

Children
No Data