Patent ID: 8861237
Filing Date: 2014-10-14
Classification: H02M,Y02B

Abstract:
1. A power supply apparatus applied to an alternating current power supply apparatus and a load apparatus, the power supply apparatus including a first connection point electrically connected to the alternating current power supply apparatus; a second connection point electrically connected to the alternating current power supply apparatus; a third connection point; a fourth connection point electrically connected to the load apparatus; a current sensing unit; a fifth connection point electrically connected to the load apparatus; a secondary side controller electrically connected to the current sensing unit; a digital isolator electrically connected to the secondary side controller; a first isolation sensing unit electrically connected to the digital isolator, the secondary side controller, and the first connection point; a second isolation sensing unit electrically connected to the digital isolator, the secondary side controller, and the second connection point; a third isolation sensing unit electrically connected to the digital isolator, the secondary side controller, and the third connection point; a fourth isolation sensing unit electrically connected to the digital isolator, the secondary side controller, and the fourth connection point; a driving unit electrically connected to the digital isolator; a first capacitor electrically connected to the first connection point and the second connection point; a bridge rectifier electrically connected to the first connection point, the second connection point, the third connection point, and the fifth connection point; a second capacitor electrically connected to the third connection point and the fifth connection point; an inductor electrically connected to the third connection point and the current sensing unit; and a switch unit electrically connected to the current sensing unit, the fifth connection point, and the driving unit.