POWER TRANSFER SYSTEMS

摘要

In a power transfer system, a first main switch can transfer power from a first connector to an output terminal. A first path can deliver a current from the first connector to the output terminal and control the current to be within a predefined ranger. A second main switch can transfer power from a second connector to the output terminal. A second path can deliver a current from the second connector to the output terminal and control the current to be within a predefined range. Control circuitry can turn off the second main switch and the second path and turn on the first path if the first power source is available at the first connector when the second power source is providing power to the output terminal. The control circuitry can turn on the first main switch when a time interval from turning on the first path has elapsed.

主权项

1. A system comprising:
a first main switch operable for transferring power from a first connector to an output terminal if a first power source is available at said first connector; a first path operable for delivering a first current from said first connector to said output terminal and controlling said first current to be within a first predefined range if said first power source is available at said first connector; a second main switch operable for transferring power from a second connector to said output terminal if a second power source is available at said second connector; a second path operable for delivering a second current from said second connector to said output terminal and controlling said second current to be within a second predefined range if said second power source is available at said second connector; and control circuitry, coupled to said first and second main switches and said first and second paths, operable for turning off said second main switch and said second path and turning on said first path if said control circuitry detects that said first power source is available at said first connector when said second power source is providing power to said output terminal through said second connector, and operable for turning on said first main switch when a first predetermined time interval from said turning on said first path has elapsed.