Adaptive power switch circuit

摘要

An adaptive power-switch circuit suitable for an electronic device includes a multi-gate power switch module, a monitoring module and a driving controller circuit. The multi-gate power switch module includes to plurality of power switch units connected in parallel. The power switch units include a gate control terminal respectively. The monitoring module is used to monitor an operating load of the electronic device. The driving control circuit is coupled to the monitoring module to selectively disable the gate controlling terminals to form a plurality of configurations. The driving control circuit selects one of the configurations to operate the multi-gate power switch module according to the operating load.

主权项

1. An adaptive power switch circuit for an electronic device, comprising:
a multi-gate power switch module, wherein the multi-gate power switch module includes an high side switch and a low side switch, the high side switch and the low side switch include K power switch units and K gate control terminals, respectively, the driving control circuit selectively disables D gate control terminals of the K gate control terminals according to the operating load, 0≦D≦(K−1) and K is a positive integer more than 2; a monitoring module used to monitor an operating load of the electronic device; a driving control circuit coupled to the monitoring module and the multi-gate power switch module to selectively disable the gate control terminals to form a plurality of configurations, wherein the driving control circuit selects one of the configurations according to the operating load to operate the multi-gate power switch module.