Circuit removes relay-contact bounce

Posted on Nov 9, 2012

Contact bounce in those relays, however, can prove troublesome to downstream circuitry. One approach to contact bounce combines a relay with a hot-swap controller. Such controllers are increasingly popular as the means for switching system components without shutting down the system power.

In Figure 1, a relay contact replaces the pin of a mechanical connector. The drive circuit drives the relay closed, and that relay closure connects the input of the hot-swap circuitry to the power supply: 28V, in this case. The hot-swap controller, IC1, k

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