129 patents
Utility
Power System and Method for Adjusting a Release Voltage of a Bi-directional Converter
28 Dec 23
A power system having a power input terminal adapted to receive a bus voltage and a sense terminal adapted to receive a sense voltage indicative of the bus voltage.
Yong Zhou
Filed: 13 Sep 23
Utility
Power Supply Circuit
28 Dec 23
A power supply circuit that may be operated in a pre-charge mode or a switch-charge mode to provide a charging current.
Kai Huang, Lei Li
Filed: 20 Jun 23
Utility
Driving Circuit for Driving a Rectifier Device In a High Frequency Resonant Converter
21 Dec 23
A driving circuit of a rectifier device.
Bin Xiao
Filed: 16 May 23
Utility
Low Dropout Regulator Circuit with Reduced Overshoot and Undershoot and the Method Thereof
14 Dec 23
A low dropout regulator circuit with reduced overshoot and undershoot during transient state is discussed.
Yong Zhou
Filed: 31 May 23
Utility
Non-audible Switching Converter and Control Method Thereof
14 Dec 23
A control circuit used in a switching converter.
Kangle Wang
Filed: 15 Aug 23
Utility
Two-phase Paralleled Switching Converter, and Switching Circuit and Control Method Thereof
14 Dec 23
A switching converter has an input terminal and an output terminal.
Yuxin Zhang
Filed: 16 Aug 23
Utility
Control Circuit with Hysteresis Control for Switching Converters and Control Method Thereof
30 Nov 23
A controller for a switching converter has a hysteresis generating circuit to provide an upper hysteresis limit and a lower hysteresis limit based on an output voltage, a switching control circuit for providing a switching control signal, and a frequency locking circuit for adjusting one of the upper hysteresis limit and the lower hysteresis limit based on the switching control signal and a clock signal.
Lei Li
Filed: 14 Aug 23
Utility
Usb Power Supply Circuit with Idle Power Distribution and the Method Thereof
26 Oct 23
A USB power supply circuit is discussed.
Peijian Ding, Junyong Gong, Huan Liu, Shuai Yuan
Filed: 7 Apr 23
Utility
Integrated Circuit Control Device for Multi-phase Switching Converters and Control Method Thereof
19 Oct 23
An integrated circuit (IC) control device for a multi-phase switching converter having a master phase and at least one slave phase, has a first ON-time control circuit to provide a first ON-time control signal and at least one slave ON-time control circuit.
Huichun Dai, Wangmiao Hu, Fangyu Zhang, Keke Zhao, Lijie Jiang, Jinghai Zhou
Filed: 10 Apr 23
Utility
Control Circuit with Peak Current Limit for Switching Converters and Control Method Thereof
5 Oct 23
A control circuit for a switching converter has a valley current limiting circuit, a peak current limiting circuit, an ON time control circuit, and a switching control circuit.
Wangmiao Hu, Lijie Jiang, Chiahsin Chang, Jinghai Zhou
Filed: 30 May 23
Utility
BLDC Motor System with Reduced Power Loss and the Initial Rotation Direction Judging Method Thereof
5 Oct 23
A BLDC motor system having a power stage, a hall sensor and a logical control circuit is discussed.
Hongqiang Qin, Yishan Ma, Qiming Zhao, Licheng Sheng
Filed: 3 Apr 23
Utility
Switching Converter with Overshoot Suppression and Control Method Thereof
21 Sep 23
A controller used in a switching converter having a switch and converting an input voltage into an output voltage having a transient profile.
Keke Zhao, Wangmiao Hu, Ting Ma, Gang Yan, Lijie Jiang, Fangyu Zhang, Huichun Dai
Filed: 22 May 23
Utility
Voltage Converter with Over-current Protection and Over-current Protection Method Thereof
31 Aug 23
An over-current protection circuit has a current sensing circuit, an over-current comparing circuit, an isolation circuit and a control circuit.
Guangzhuo Li, Pengfei Liu, Siran Wang
Filed: 17 Jan 23
Utility
Semiconductor Device with Low Pinch-off Voltage and Methods for Manufacturing the Same
17 Aug 23
A semiconductor device includes a junction field effect transistor (JFET) device.
Daping Fu, Yanjie Lian
Filed: 16 Feb 23
Utility
Charge Pump with Improved Light-load Efficiency and Control Method Thereof
17 Aug 23
A charge pump comprises two bridge arms coupled in parallel, two capacitors, and a control circuit.
Zhenya Zhang, Lei Du, Rui Wang, Shanglin Xu, Yueying Du
Filed: 28 Apr 23
Utility
Driving Circuit for Motor Systems and Control Method Thereof
17 Aug 23
A driving circuit for a motor has a multiplexer, a current polarity detection circuit, a first comparison circuit, a reverse current control circuit, a first bridge circuit, and a second bridge circuit.
Hongqiang Qin, Qiming Zhao
Filed: 19 Dec 22
Utility
Voltage Converter and a Power Supply Control Circuit Thereof
27 Jul 23
A power supply control circuit for controlling a charging process of a power supply capacitor to produce a power supply voltage to power a power control chip is disclosed.
Hui Li, Siran Wang
Filed: 7 Dec 22
Utility
Switch Control Circuit and Power Converter Comprising the Same
20 Jul 23
A power converter includes a switch control circuit for driving a high side switch of the power converter comprising the high side switch and a low side switch connected in series.
Yuedong Chen, Junlin Qian
Filed: 20 Dec 22
Utility
Control Circuit for a Resonant Circuit and the Method Thereof
13 Jul 23
A control circuit for a resonant circuit includes a resonant current detecting circuit, a current adjustment circuit and an on-time control circuit.
Siran Wang, Pengfei Liu, Yuzhou Zhang
Filed: 15 Mar 23
Utility
Preprocessing Circuit for Comparators and Preprocessing Method Thereof
6 Jul 23
A preprocessing circuit for a comparator has a high voltage selection circuit, a first constant voltage circuit, a second constant voltage circuit, a first transistor, and a second transistor.
Changxian Zhong
Filed: 24 Feb 23