pfc

Active PFC design concept focuses on power loss and inrush current control

PFC). Why power factor correction? Generally, mains AC voltage is transformed into DC voltage via Rectifier Bridge and capacitor. This configuration is used for most power electronics applications. In this configuration, the DC-link circuit... EDN Asia
Power Sources / Controllers

Air conditioner motor control with dual sensorless FOC and active PFC

PFC) help to fulfill these demands. To demonstrate the capabilities of these powerful concepts, Infineon has built a reference design for the motor control of air conditioners using dual sensorless FOC and active PFC based on the 16-bit microcontroller... EDN Asia
Analog ICs / Discretes - Power Sources / Controllers

AC powering semiconductor growth

PFC), hotswappability, and pulse width modulation (PWM). Semiconductor companies are providing products for this side of the house that range from digital PWM (DPWM) to One Cycle Control (OCC) for PFC. Power factor correction is gaining attention as new... EDN Asia
Power Sources / Controllers

Politically correct power

PFC (power-factorcorrection) method has been the addition of capacitors and corresponding fusing and switching gear ( Figure 2 ). If that were all there is to power-factor management, you’d be done. Unfortunately, virtually the entire electronics industry... EDN Asia
Power Sources / Controllers

A highly integrated solution for AC adapters

PFC and quasi-resonant (QR) PWM combo controller to address these challenges. The increasing effort towards high power density and high efficiency QR converter lead us to develop converters capable of operating at higher switching frequency with high... EDN Asia
Analog ICs / Discretes - Power Sources / Controllers

Microchip's Reference Design for Digital Interleaved Power Factor Correction (PFC) Increases Power Efficiency

PFC) Reference Design, which demonstrates how to realize the benefits of fully digital PFC for green power-supply designs. Specifically, this free reference design provides an easy method to evaluate the power efficiency and features of Microchip's dsPIC33... ECN Asia
Power Sources & Conditioning Devices

IR Introduces Universal Design kit and online PFC Design Tool

PFC) Control Design Kit and added a PFC design tool to the myPOWER online design centre. The Design Kit features the IR1150 µPFC for AC-DC PFC and is a small, 1.1-inch-square, fully-assembled PFC control circuit that engineers can drop in to an existing... EDN Asia
Power Sources / Controllers

Fairchild receives EDAW’s 2006 Best Product Award in power device category

PFC-SPM products received a “Power Device Product Award 2006” from Electronic Design & Application World-Nikkei Electronics China (EDAW-NEC). Fairchild’s PFC-SPM devices are designed for full-switching power factor correction (PFC) in motor drive applications... EDN Asia
Power Sources / Controllers

Increasing power efficiency with power factor correction solutions

PFC) requirement. As will be shown in this article, there are innovative PFC solutions for all power ranges which yield >95% efficiency at the required line and load conditions that enable compliance with the regulatory standards. Power Factor Correction... EDN Asia
Power Sources / Controllers

Free ac/dc digital-power reference design has universal input and PFC

Microchip Technology has announced an ac/dc reference design that it based on the new dsPIC33F GS series of digital-power DSCs (digital-signal controllers). External Source

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