INRUSH CONTROL WITH MULTIPLE SWITCHES

摘要

A novel system is offered for supplying power from an input node to a load coupled to an output node. The system may have multiple switches coupled between the input node and the output node. One or more limiting circuits may be configured for controlling the switches so as to limit outputs of the switches. For example, the limiting circuits may limit current through the respective switches. One or more timers may set a delay period for indicating a fault condition after the limiting is initiated.

主权项

1. A system for supplying power from an input node to a load coupled to an output node, comprising:
first and second switches coupled between the input node and the output node, a first limiting circuit configured for controlling the first switch so as to limit an output of the first switch, a second limiting circuit configured for controlling the second switch so as to limit an output of the second switch, the second limiting circuit being configured to operate independently of the first limiting circuit, and a logic circuit responsive to a first status signal indicating that the first limiting circuit is limiting the output of the first switch, and responsive to a second status signal indicating that the second current limit circuit is limiting the output of the second switch, the logic circuit being configured to produce an output signal after receiving both the first status signal and the second status signal.