Patent
Switching Power Controller and System
Yu Mei Huang
- 25 Oct 2010
59
TL;DR: A switching power controller circuit comprises a first terminal for a high potential of a power supply for the controller circuit, a second terminal pin for providing output of switch drive signals and for receiving feedback signals, and a third terminal for receiving external current signals and a low potential of the power supply as discussed by the authors.
read more
Abstract: A switching power controller circuit comprises a first terminal pin for a high potential of a power supply for the controller circuit, a second terminal pin for providing output of switch drive signals and for receiving feedback signals, and a third terminal pin for receiving external current signals and for a low potential of the power supply. The switching power controller further comprises a clock generator, a pulse width modulation (PWM) generator, a reference generator, a power switch driver, a feedback signal sampler, a PWM comparator and a floating sampler.
read more
Chat with Paper
AI Agents for this Paper
Find similar papers on Google Scholar, PubMed and Arxiv
Write a critical review of this paper
Analyze citations of this paper to find unaddressed research gaps
Citations
Patent
Systems and methods for constant voltage mode and constant current mode in flyback power converters with primary-side sensing and regulation
Yunchao Zhang,Yaming Cao,Huang Xiaomin,Xiuhong Zhang,Fang Lieyi +4 more
- 11 Jun 2013
TL;DR: In this article, the authors propose a system for regulating a power converter that includes a first signal generator configured to receive a first sensed signal and generate an output signal associated with demagnetization.
129
Patent
System and method providing over current protection based on duty cycle information for power converter
Yao Chao,Zhang Yunchao,Lin Yuan,Zhiqiang Sun,Fang Lie-Yi +4 more
- 24 Jan 2013
TL;DR: In this paper, a system controller for protecting a power converter includes a signal generator, a comparator, and a modulation and drive component, which is coupled to the signal generator.
62
Patent
Light emitting diode driving apparatus
Deuk Hee Park,Sang Hyun Cha,Yun Joong Lee +2 more
- 20 Dec 2012
TL;DR: In this paper, a plurality of LED groups each comprising one or more diodes, a switch group comprising a pluralityof switch units connected respectively to the LED groups to drive the connected LED groups when a control signal is activated, and a switch controlling unit configured to compare an input voltage of the LEDs with an output voltage of LEDs, calculate a comparison value, and generate the control signal according to the comparison value.
60
Patent
Method and apparatus for programming a power converter controller with an external programming terminal having multiple functions
Stefan Bäurle,Guangchao Darson Zhang,Mao Mingming +2 more
- 15 Jun 2011
TL;DR: In this paper, a power converter controller includes a control circuit coupled to receive a feedback signal representative of an output of the power converter, and an external programming terminal is selectively coupled to the internal programming interface circuit through the coupling switcher.
52
Patent
Systems and methods for voltage control and current control of power conversion systems with multiple operation modes
Lin Yuan,Huang Xiaomin,Qiang Luo,Fang Lieyi +3 more
- 05 Oct 2012
TL;DR: In this article, a system controller for regulating a power conversion system includes an operation-mode-selection component and a driving component, which is configured to receive a first signal related to an output load of the power converting system and a second signal corresponding to an input signal received by the power converted system and output a mode-selection signal based on at least information associated with the first signal and the second signal.
48
References
Patent
Switching-mode power converter and pulse-width-modulation control circuit with primary-side feedback control
Da-Chun Wei,Yuan-Wen Chang +1 more
- 19 Apr 2007
TL;DR: In this article, a pulsewidth-modulation control circuit of a switching-mode power converter with a primary-side feedback control is described, including a sample and hold circuit, a transconductor circuit, an error amplifier and a pulse-width modulation generator.
128
Patent
Systems and methods for load compensation with primary-side sensing and regulation for flyback power converters
Yunchao Zhang,Lieyi Fang +1 more
- 18 Aug 2010
TL;DR: In this article, the authors present a sampling component located on a chip configured to receive an input voltage through a terminal, which is configured to sample the input voltage and generate a sampled voltage.
40
Patent
Power supply controller with input voltage compensation for efficiency and maximum power output
Balakrishnan Balu,Alex B. Djenguerian,Leif Lund +2 more
- 30 Jan 2009
TL;DR: In this article, a controller for a power supply includes a logic block and a time-to-frequency converter, which is coupled to the logic block to generate a drive signal in response to a clock signal.
30
Patent
Systems and methods for flyback power converters with switching frequency and peak current adjustments
Lieyi Fang,Guo Wei Lin +1 more
- 20 Jun 2011
TL;DR: In this paper, a comparator is configured to receive a first signal and a second signal and generate a comparison signal based on at least information associated with the first and second signals.
28
Patent
Power converter with control circuit and related control method
Chang Yuan-Wen,Chun-Teh Chen,Chen Ren-Yi,Chu Yi-Shan +3 more
- 18 Nov 2008
TL;DR: A control circuit for use in a power converter has a multi-function terminal, a current comparator circuit, and an under-voltage detection circuit as mentioned in this paper, which determines whether an input voltage of the power converter is less than a predetermined value through the multifunction terminal when the power switch is turned off.
21