专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20130148388A1 AC-DC flyback converter and loop compensation method thereof 有权
标题翻译： AC-DC反激式转换器及其环路补偿方法
公开(公告)号：US20130148388A1
公开(公告)日：2013-06-13
申请号：US13525288
申请日：2012-06-16
申请人： Zhe YANG , Xianhui DONG , Zhao WANG
发明人： Zhe YANG , Xianhui DONG , Zhao WANG
IPC分类号： H02M3/335
CPC分类号： H02M3/33507
摘要： The prevent invention provides an AC-DC flyback converter and a loop compensation method thereof. The AD-DC flyback converter comprises an isolating transformer, a power switch, and a feed control module. The feed control module includes a compensating circuit, a voltage buffer, and an error amplifier having a first resistor and a second resistor, and a pulse width modulation controller. With the AC-DC flyback converter and the loop compensating method, the system stability can be improved and the loop bandwidth can be reduced.
摘要翻译：本发明提供一种AC-DC反激式转换器及其环路补偿方法。 AD-DC反激式转换器包括隔离变压器，电源开关和馈电控制模块。馈送控制模块包括补偿电路，电压缓冲器和具有第一电阻器和第二电阻器的误差放大器以及脉宽调制控制器。利用AC-DC反激转换器和环路补偿方法，可以提高系统的稳定性，并可以减小环路带宽。

2. 发明授权

US08760144B2 Multiple-input comparator and power converter 失效
标题翻译：多输入比较器和电源转换器
公开(公告)号：US08760144B2
公开(公告)日：2014-06-24
申请号：US12825084
申请日：2010-06-28
申请人： Zhao Wang , Xianhui Dong , Dave Xiaodong Yang
发明人： Zhao Wang , Xianhui Dong , Dave Xiaodong Yang
IPC分类号： H02M1/08 , H03K5/24 , H02M3/156
CPC分类号： H03K5/2481 , H03F2200/351 , H03F2200/78 , H03F2203/45374 , H03F2203/45392
摘要： A multiple-input comparator is disclosed. The multiple-input comparator includes a pair of differential transistors connected by a resister. The gate terminals of the transistor pair serve as the input terminals of the comparator for receiving external voltage for comparison. The terminal of the resistor serves as the current input terminal and is either connected to a current source or a current sink. A power inverter utilizing the multiple-input comparator is also disclosed.
摘要翻译：公开了一种多输入比较器。多输入比较器包括通过电阻器连接的一对差分晶体管。晶体管对的栅极端子用作比较器的输入端子，用于接收外部电压进行比较。电阻器的端子用作电流输入端子，或者连接到电流源或电流吸收器。还公开了一种利用多输入比较器的电力逆变器。

3. 发明申请

US20110316507A1 Multiple-input comparator and power converter 失效
标题翻译：多输入比较器和电源转换器
公开(公告)号：US20110316507A1
公开(公告)日：2011-12-29
申请号：US12825084
申请日：2010-06-28
申请人： Zhao WANG , Xianhui Dong , Dave Xiaodong Yang
发明人： Zhao WANG , Xianhui Dong , Dave Xiaodong Yang
IPC分类号： G05F1/10 , H03F3/45
CPC分类号： H03K5/2481 , H03F2200/351 , H03F2200/78 , H03F2203/45374 , H03F2203/45392
摘要： Techniques pertaining to multiple-input comparator and power converter designs are disclosed. According to one aspect, the present invention discloses a multiple-input comparator comprising a pair of differential transistors connected by a resister. The gate terminals of the transistor pair serve as the input terminals of the comparator for receiving external voltage for comparison. The terminal of the resistor serves as the current input terminal and is either connected to a current source or a current sink. A power inverter utilizing the multiple-input comparator is also disclosed. The power inverter comprises a power switch driven by a PMW signal, a voltage sampling circuit, an error amplifier and a multiple-input PWM comparator.
摘要翻译：公开了涉及多输入比较器和功率转换器设计的技术。根据一个方面，本发明公开了一种多输入比较器，包括由电阻器连接的一对差分晶体管。晶体管对的栅极端子用作比较器的输入端子，用于接收外部电压进行比较。电阻器的端子用作电流输入端子，或者连接到电流源或电流吸收器。还公开了一种利用多输入比较器的电力逆变器。电力逆变器包括由PMW信号驱动的电源开关，电压采样电路，误差放大器和多输入PWM比较器。

4. 发明授权

US09236803B2 AC-DC flyback converter and loop compensation method thereof 有权
公开(公告)号：US09236803B2
公开(公告)日：2016-01-12
申请号：US13525288
申请日：2012-06-16
申请人： Zhe Yang , Xianhui Dong , Zhao Wang
发明人： Zhe Yang , Xianhui Dong , Zhao Wang
IPC分类号： H02M3/335
CPC分类号： H02M3/33507
摘要： The prevent invention provides an AC-DC flyback converter and a loop compensation method thereof. The AD-DC flyback converter comprises an isolating transformer, a power switch, and a feed control module. The feed control module includes a compensating circuit, a voltage buffer, and an error amplifier having a first resistor and a second resistor, and a pulse width modulation controller. With the AC-DC flyback converter and the loop compensating method, the system stability can be improved and the loop bandwidth can be reduced.

5. 发明申请

US20100302822A1 Flyback Power converters 审中-公开
标题翻译：反激式电源转换器
公开(公告)号：US20100302822A1
公开(公告)日：2010-12-02
申请号：US12788959
申请日：2010-05-27
申请人： Zhao WANG , Xianhui Dong , Zhe Yang , Xiaodong Yang
发明人： Zhao WANG , Xianhui Dong , Zhe Yang , Xiaodong Yang
IPC分类号： H02M7/06
CPC分类号： H02M3/33523
摘要： Designs of flyback power converters are described. According to one aspect of the designs, a power converter includes a primary side including a primary winding of a transformer coupled to an input voltage and a primary switch for switching on or off the primary winding, a secondary side including a secondary winding of the transformer for generating an output voltage, and a loop controller configured to sample a feedback voltage representative of the output voltage, generate a gate signal with a fixed falling edge and an adjustable rising edge to drive the primary switch, and adjust a duty cycle of the gate signal by adjusting the rising edge of the gate signal until the feedback voltage converges to a reference voltage.
摘要翻译：描述反激式功率转换器的设计。根据设计的一个方面，功率转换器包括初级侧，其包括耦合到输入电压的变压器的初级绕组和用于接通或断开初级绕组的初级绕组，次级侧包括变压器的次级绕组用于产生输出电压，以及环路控制器，被配置为对表示输出电压的反馈电压进行采样，产生具有固定下降沿和可调上升沿的栅极信号以驱动初级开关，并调节栅极的占空比通过调整栅极信号的上升沿直到反馈电压收敛到参考电压为止。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式