Omni Design Technologies, Inc.

Jagdish Kumar Agrawal

Vaibhav Tripathi

A latchup detector includes a level shifter and a comparator. The level shifter is electrically coupled to a voltage supply rail to receive as inputs a regulator output voltage and a target supply voltage. The level shifter includes a first level-shifter circuit that lowers the regulator output voltage to a first voltage and a second level-shifter circuit that lowers the target supply voltage to a second voltage. The comparator receives as inputs the first and second voltages. The comparator produces a first output voltage when the difference between the first and second voltages is greater than or equal to a predetermined voltage difference and a second output voltage when the difference between the first and second voltages is less than the predetermined voltage difference. The first output voltage can correspond to a latchup event.

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Banagalore, India

Jagdish Kumar Agrawal