ADJUSTING CURRENT LIMIT THRESHOLDS BASED ON OUTPUT VOLTAGE OF POWER SUPPLY DEVICE IN SYSTEM FOR PROVIDING POWER OVER COMMUNICATION LINK
A power supply system for providing power over a communication link has current limit circuitry for restricting an output current of the system based on a current limit threshold, and threshold circuitry for setting the current limit threshold in accordance with an output parameter of the system. In particular, the threshold circuitry may control the current limit threshold in accordance with an output voltage of the system so as to achieve a substantially constant output power of the system.