公开(公告)号：US10660176B2

公开(公告)日：2020-05-19

申请号：US15414003

申请日：2017-01-24

申请人： O2Micro, Inc.

发明人： Jen-Chun Chen ,  Sheng-Tai Lee ,  Yung-Lin Lin

IPC分类号： H05B45/37 ,  H05B45/10 ,  H05B45/46 ,  H05B45/48 ,  H02M3/335 ,  H02M1/00

摘要： A system for driving a light source includes a power converter and control circuitry coupled to the power converter. The power converter converts input power to an output voltage to power the light source. The control circuitry senses the output voltage and senses current of the light source. The control circuitry generates a control signal based on a voltage feedback signal indicative of a combination of said output voltage and said current of said light source, and controls the power converter by the control signal to adjust the output voltage.

公开(公告)号：US20190254130A1

公开(公告)日：2019-08-15

申请号：US15414003

申请日：2017-01-24

申请人： O2Micro, Inc.

发明人： Jen-Chun Chen ,  Sheng-Tai LEE ,  Yung-Lin LIN

IPC分类号： H05B33/08 ,  H02M3/335

CPC分类号： H05B33/0815 ,  H02M3/33576 ,  H02M2001/0009 ,  H05B33/0827 ,  H05B33/083 ,  H05B33/0851

摘要： A system for driving a light source includes a power converter and control circuitry coupled to the power converter. The power converter converts input power to an output voltage to power the light source. The control circuitry senses the output voltage and senses current of the light source. The control circuitry generates a control signal based on a voltage feedback signal indicative of a combination of said output voltage and said current of said light source, and controls the power converter by the control signal to adjust the output voltage.