Broken Wire Detection Using An Optical Switch Reference Design(TIDA-01509)

This reference design shows a compact implentation of 16 isolated digital input channels using TI's ISO121x devices. The design is split into two groups of eight channels each. A broken wire detection can be excecuted using only one additional optical switch for each channel or two optical switches and one additional capacitor for each group. For this functionality no secondary side supply is needed, which gives a unique benefit to digital input modules using the ISO121x family.


16 digital input channels with up to ±60-V input voltage tolerance Broken wire detection for with only one additional component Works with primary supply only, no isolated power supply needed LaunchPad™ header for quick and easy evaluation


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Broken Wire Detection Using An Optical Switch Reference Design TIDA-01509

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