The Texas Instruments TIDA-070001 is a reference design demonstrating how to implement redundancy at the input of a Point-of-Load (POL) supply with two TPS7H2201-SP radiation hardened eFuse load switches featuring an adjustable over-voltage protection (OVP).
A primary and redundant voltage is supplied to the rad harderend POL step-down converter TPS50601A-SP using two load switches. The load switch not only provides protection through an adjustable over-current protection (OCP) limit but also allows to monitor with a current sense output pin. The additional protection shorts are provided using the current limit of POL converter.
- Adjustable over-current protection (OCP) limit
- Adjustable over-voltage (OVP) limit
- Redundant inputs
- Configurable soft start
- Enable/disable functionality
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Last updated: 2021-12-21