Low power load switch with protection circuitry

Details Low power load switch with protection circuitry Low power load switch with protection circuitry

2011-05-10

2011-05-10

Patel, Dharti H (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

C361S078000, C361S079000, C361S087000, C361S093100, C361S093900, C361S103000

Reexamination Certificate

active

07940505

ABSTRACT:
Load switches are relatively common and in use with a variety of applications, and conventional load switches have been designed to have continually operating protection circuitry, which can consume a great deal of power. Here, a load switch integrated circuit (IC) is provided where a controller within the IC activates and deactivates various protection circuits in a sequence, allowing the protection circuit to protect the IC while also reducing power consumption.

REFERENCES:
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patent: 6865063 (2005-03-01), Ball
patent: 7099135 (2006-08-01), Ball et al.
patent: 7532448 (2009-05-01), So
“FPF2024/5/6/7 Full Functional Load Switch With 100mA Current Limit,” Sep. 2008, pp. 1-17.
“Low-Input-Voltage Current-Limited Load Switches With Shut Off and Auto-Restart Feature,” Nov. 2009, pp. 1-19.

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