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Method and apparatus for integrated cable drop compensation of a power converter

一种功率变换器、压降补偿的技术，应用在电压调节。领域，能够解决不适合、增加功率变换器尺寸、增加功率变换器成本和尺寸等问题

Inactive Publication Date: 2013-05-01
POWER INTEGRATIONS INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, said known discrete circuits for compensating the voltage drop across the cable introduce additional components which increase the cost and size of the power converter
For example, known discrete cable drop compensation circuits may include relatively large capacitors, which increase the size of the power converter
Furthermore, known discrete circuits for compensating voltage drops across cables may not be suitable for a particular power converter using a controller implementing a particular advanced control method

Method used

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  • Method and apparatus for integrated cable drop compensation of a power converter
  • Method and apparatus for integrated cable drop compensation of a power converter
  • Method and apparatus for integrated cable drop compensation of a power converter

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Embodiment Construction

[0025] Examples are disclosed that relate to integrated cable drop compensation circuits and methods for use in power converters. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that these specific details need not be used to practice the invention. In order not to obscure the invention, well-known methods related to the implementation have not been described in detail.

[0026] Reference throughout this specification to "one embodiment," "an embodiment," "an example," or "instance" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. or instance. Thus, appearances of the phrases "in one embodiment," "in an embodiment," "in an instance," or "in an instance" in various places throughout this specification are not ...

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Abstract

The invention relates to a method and an apparatus for integrated cable drop compensation of a power converter. An integrated circuit controller for a power converter to be coupled to a distribution network is disclosed. An example integrated circuit controller according to aspects of the present invention includes a switching control circuit that outputs a drive signal to control switching of a switch to regulate an output of the power converter. The integrated circuit controller also includes a cable drop compensator that outputs a compensated reference voltage signal to the switching control circuit in response to a switching signal. The switching signal is responsive to the drive signal. The compensated reference voltage signal is representative of a voltage value that is responsive to a distribution voltage across the distribution network and a load voltage across a load to be coupled to the distribution network. The switching of the switch is responsive to the compensated reference voltage signal and a feedback signal.

Description

[0001] This application is a divisional application of the application dated April 7, 2008, application number 200810100391.9, and titled "Method and Device for Integrated Cable Voltage Drop Compensation for Power Converters". [0002] related application [0003] This application requires U.S. Provisional Application No. No. 1, filed April 6, 2007, entitled "Method And Apparatus For Integrated Cable Drop Compensation Of A Power Converter." .60 / 922,193 in equity. technical field [0004] The present invention relates generally to power converters, and more particularly, the present invention relates to voltage regulation for power converters. Background technique [0005] Many electronic devices, such as cellular telephones, personal digital assistants (PDAs), laptop computers, etc., are powered by relatively low voltage DC power supplies. Since power is typically delivered through a wall outlet as high voltage AC power, a device commonly referred to as a power converter i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M3/28H02M1/00
CPCH02M3/33523H02M2001/0025H02M1/0025H02M3/33515
Inventor A·B·德詹古里安E·伯坎
Owner POWER INTEGRATIONS INC
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