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1. 发明授权

US11108226B1 Method and apparatus for reverse over current protection 有权
公开(公告)号：US11108226B1
公开(公告)日：2021-08-31
申请号：US16600172
申请日：2019-10-11
申请人： Intersil Americas LLC
发明人： Chun Cheung , Mir Mahin , Paul Dackow
IPC分类号： H02M3/157 , H02H7/12 , H02M3/156 , G05F1/10
摘要： The present embodiments relate to methods and apparatuses for providing fault protection in a power controller such as a voltage regulator, and particularly protection against reverse over current fault conditions. Some embodiments are capable of distinguishing between different types of reverse over current conditions, such as a high-side short or a normal over voltage condition. In these and other embodiments, fault protection is performed in favor of a load connected to the voltage regulator, rather than components of the voltage regulator itself.

2. 发明授权

US10447027B1 Method and apparatus for reverse over current protection 有权
公开(公告)号：US10447027B1
公开(公告)日：2019-10-15
申请号：US15828348
申请日：2017-11-30
申请人： Intersil Americas LLC
发明人： Chun Cheung , Mir Mahin , Paul Dackow
IPC分类号： H02M3/157 , H02H7/12 , G05F1/10 , H02M3/156
摘要： The present embodiments relate to methods and apparatuses for providing fault protection in a power controller such as a voltage regulator, and particularly protection against reverse over current fault conditions. Some embodiments are capable of distinguishing between different types of reverse over current conditions, such as a high-side short or a normal over voltage condition. In these and other embodiments, fault protection is performed in favor of a load connected to the voltage regulator, rather than components of the voltage regulator itself.

3. 发明申请

US20140197811A1 CURRENT LIMITING SCHEME FOR A CONVERTER 有权
标题翻译：转换器的当前限制方案
公开(公告)号：US20140197811A1
公开(公告)日：2014-07-17
申请号：US13850402
申请日：2013-03-26
申请人： INTERSIL AMERICAS LLC
发明人： Weihong Qiu , Ruchi J. Parikh , Chun Cheung , Zhixiang Liang
IPC分类号： H02M3/158
CPC分类号： H02M3/1582 , H02M1/32 , H02M3/156
摘要： A modulator configured to control switching of current through an inductor of a converter according to a current limiting scheme while converting an input voltage to an output voltage, which includes a current limit generator and a comparator network. The current limit generator is configured to provide a periodic ramping current limit value based on either the input voltage or the output voltage, an inductance of the inductor, a timing signal, and a predetermined maximum output current of the boost converter. The comparator network is configured to provide a switch control signal to control switching of current through the inductor by comparing a current sense value indicative of a current through the inductor with a lesser of a compensation error value and the periodic ramping current limit value. The converter may be configured as a peak current mode control converter in either boost or buck mode.
摘要翻译：调制器，被配置为在将输入电压转换为包括限流发生器和比较器网络的输出电压的同时，根据电流限制方案来控制通过转换器的电感器的电流的切换。电流限制发生器被配置为基于升压转换器的输入电压或输出电压，电感的电感，定时信号和预定的最大输出电流来提供周期性的斜坡电流限制值。比较器网络被配置为提供开关控制信号以通过将指示通过电感器的电流的电流感测值与补偿误差值和周期性斜坡电流限制值之间的较小来比较来控制通过电感器的电流的切换。转换器可以配置为升压或降压模式下的峰值电流模式控制转换器。

4. 发明授权

US09312772B2 Current limiting scheme for a converter 有权
标题翻译：转换器的限流方案
公开(公告)号：US09312772B2
公开(公告)日：2016-04-12
申请号：US13850402
申请日：2013-03-26
申请人： Intersil Americas LLC
发明人： Weihong Qiu , Ruchi J. Parikh , Chun Cheung , Zhixiang Liang
IPC分类号： G05F1/00 , H02M3/158 , H02M3/156 , H02M1/32
CPC分类号： H02M3/1582 , H02M1/32 , H02M3/156
摘要： A modulator configured to control switching of current through an inductor of a converter according to a current limiting scheme while converting an input voltage to an output voltage, which includes a current limit generator and a comparator network. The current limit generator is configured to provide a periodic ramping current limit value based on either the input voltage or the output voltage, an inductance of the inductor, a timing signal, and a predetermined maximum output current of the boost converter. The comparator network is configured to provide a switch control signal to control switching of current through the inductor by comparing a current sense value indicative of a current through the inductor with a lesser of a compensation error value and the periodic ramping current limit value. The converter may be configured as a peak current mode control converter in either boost or buck mode.
摘要翻译：调制器，被配置为在将输入电压转换为包括限流发生器和比较器网络的输出电压的同时，根据电流限制方案来控制通过转换器的电感器的电流的切换。电流限制发生器被配置为基于升压转换器的输入电压或输出电压，电感的电感，定时信号和预定的最大输出电流来提供周期性的斜坡电流限制值。比较器网络被配置为提供开关控制信号以通过将指示通过电感器的电流的电流感测值与补偿误差值和周期性斜坡电流限制值之间的较小来比较来控制通过电感器的电流的切换。转换器可以配置为升压或降压模式下的峰值电流模式控制转换器。

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