What's difference between Reverse-voltage Detection and Reverse-current Blocking?
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Hi there.. thanks for coming to the forums. Exciting news! we’re now in the process of moving to our new forum platform that will offer better functionality and is contained within the main Dialog website. All posts and accounts have been migrated. We’re now accepting traffic on the new forum only - please POST any new threads at//www.wsdof.com/support. We’ll be fixing bugs / optimising the searching and tagging over the coming days.
HiConnie Wang,in case of Reverse voltage detection if VOUT>VIN by 50mV (typically for most of our IPSs), IPS will automatically shutdown and protect the device from current flowing from VOUT to VIN. In case of reverse current blocking, so if IPS is in ON state, current may flow in both directions but if IPS is OFF, so current will not flow from VOUT to VIN. Also if VOUT>VIN and ON signal goes from low to HIGH, so IPS will not power up. Conclusion: Reverse voltage detection protect device even if IPS is in ON state and Reverse current blocking protect device only when IPS is in OFF state.