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User-configurable, efficiency-optimizing, power/energy conversion switch-mode power supply with a serial communications interface

A power supply, switching mode technology, applied in the direction of output power conversion device, conversion equipment without intermediate conversion to AC, adjustment of electric variables, etc., can solve the problem of accurate measurement of inductor current and other problems

Active Publication Date: 2013-09-11
MICROCHIP TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Furthermore, accurate measurement of inductor current from one SMPS to another and at different load currents becomes problematic

Method used

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  • User-configurable, efficiency-optimizing, power/energy conversion switch-mode power supply with a serial communications interface
  • User-configurable, efficiency-optimizing, power/energy conversion switch-mode power supply with a serial communications interface
  • User-configurable, efficiency-optimizing, power/energy conversion switch-mode power supply with a serial communications interface

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Embodiment Construction

[0026] Reference is now made to the drawings, which schematically illustrate such details of certain example embodiments. In the drawings the same elements will be represented by the same numerals, and similar elements will be represented by the same numerals with different lowercase letter suffixes.

[0027] In a general sense, a power converter can be defined as a device that converts one form of energy into another on a continuous basis. Any storage or loss of energy within this power system is generally the same as the process of energy conversion as it performs its conversion function. There are many types of devices that can provide this functionality with varying degrees of cost, reliability, complexity, and efficiency.

[0028] Mechanisms for power conversion can take many basic forms, such as those described that are mechanical, electrical or chemical in nature. The focus of this article will be on power converters that perform energy conversion both electrically an...

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PUM

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Abstract

An intelligent pulse width modulation (PWM) controller adapts a switch mode power supply (SMPS) system's operating parameters to optimize efficiency, remove hot spots and isolate faults by integrating a microcontroller, PWM digital circuits and analog circuits into a single integrated circuit, thereby reducing the number of external connections, silicon die area and integrated circuit packages. A communications interface is used to communicate with a host system for monitoring operating parameters of the SMPS, e.g., current, voltage, efficiency, operating temperature, diagnostics, etc. In addition, the communications interface may be used to alter the operating parameters (objectives) of the SMPS during operation thereof.

Description

[0001] Related patent applications [0002] This application claims a titled "User-Configurable, Efficiency-Optimizing, Power / Energy Conversion Switch-Mode Power Supply with a Serial Communications Interface," Terry Cleveland, Clifford Ellison III, Scott Dearborn, and Priority to U.S. Provisional Patent Application No. 61 / 420,090, commonly owned by Keith Pazul; Lossless Inductor Current Sensing in a Switch-Mode Power Supply," co-owned U.S. Patent Application No. 12 / 959,837 by Scott Dearborn; filed in 2011 on ____ The application is titled "User-Configurable, Efficiency-Optimizing, Calibrated Sensorless Power / Energy Conversion in a Switch-Mode Power Supply )” by Terry Cleveland, Clifford Ellison III, Scott Dearborn and Keith Pazul U.S. Patent Application No. _____; filed _____ in 2011 and entitled "User-Configurable, Efficiency-Optimized Power / Energy Conversion in a Switch-Mode Power Supply with a Serial Communication Interface (User-Configurable, Efficiency-Optimizing, Powe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M3/157
CPCH02M3/1584H02M3/157H02M1/0009H02M3/155H02M3/145H02M3/10
Inventor 泰瑞·克莱维兰克利福·埃里森斯考特·迪尔伯恩基斯·保祖尔
Owner MICROCHIP TECH INC