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GlobalSpec Special Edition
Power Supplies & Devices
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Digital Control for the Analog Designer

Hybrid power controllers, integrating PWM controllers, digital programming, monitoring and communications, offer benefits beyond saving PCB real estate. They can simplify system design and provide digitally programmable sequencing, active voltage adjustment, dynamic programmable protection features, and system- level reporting and monitoring of power supply status. All this and more is explained in this technical article from Texas Instruments.

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Electronic Components &
Product Design

Medical Equipment Design
Embedded Systems

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High Power Connector for Submarines
Multi-Contact USA

Multi-Contact is specialized in the design of individual connectors and customized solutions for nearly all industries and environments. For example, high power connectors for submarines, interfacing battery to charging device and converter. The MC Multilam Technology ensures low contact resistance, reliable performance, and a long product life.

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Growing Family of MOSFET Drivers

{sec1_editem1_img1_alt} Intended for consumer applications that incorporate power supplies, such as PCs and notebook computers, the two newest additions to Microchip Technologies’ line of low-side MOSFET drivers are rated at 2 A and 3 A. The devices, available in SOIC or DFN packages, have an operating voltage range of 4.5V to 18V and feature enable input pins that provide shutdown capability to conserve power.


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Green Rectifier™ Controller
Texas Instruments High-Performance Analog

TI introduced its Green Rectifier™ flyback controller and driver for N-channel MOSFETs used for low-voltage, secondary-side synchronous rectification. The UCC24610 improves power supply efficiency as much as 5%, and reduces primary-side power loss in 5-V AC/DC adapters and bias supplies. Samples, technical documentation, and evaluation modules available.

Learn more at TI.com...

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Low-power Industrial and Medical Power Supplies

Unipower Corporation

Three new Series from UNIPOWER for industrial and medical applications are now available.

Starting with the BA, 40-65 W in 2 x 4 footprint, the BB with 120 W in a 3 x 5 footprint, and the 200 W BD Series. Most models available from stock and competitively priced. See more details on our Web site.

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Ultra-Small POL Regulator

{sec1_editem1_img1_alt} Offered as a more efficient and space-saving alternative to LDO voltage regulators, new dual-output point-of-load regulators from Semtech are aimed at power management applications in portable equipment and in lower voltage, multi-rail power supply designs. Occupying a very small 2 mm x 3 mm x 0.6 mm package themselves, the 500 mA regulators function with small chip inductors for a total board space footprint of 80mm².


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SMM 3812 Size SMD Fuses

Bel Fuse Inc.

Bel's new SMM fuses provide high amp ratings up to 30 A in a compact, 3812 size, surface mount package. These products can be used for any high current devices or power supplies requiring 20 to 30 A fuses at up to 250 VAC or 65 VDC.

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Hook-up Wire
Consolidated Electronic Wire & Cable

Consolidated Electronic Wire & Cable is a full-line source for standard and custom electronic wire, cable, power supply cord, molded cable assemblies, and wiring harnesses. We have been serving the needs of our industry for over 90 years. We offer both electronic hook-up wire and automotive hook-up wire.

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In Case You Missed APEC 2011

{sec1_editem1_img1_alt} For those who couldn’t make it to the 2011 iteration of the Applied Power Electronics Conference and Exposition in Fort Worth this past March, this writer – who traveled all the way from India – has a roundup of the significant power and power management devices introduced at the event. Free downloads of the presentations given at APEC are available at the event Web site, as is a complete list of exhibitors.

LDOs Extend Battery Life for Portable Devices

{sec1_editem1_img1_alt} A family of LDO regulators from Analog Devices addresses the size, power dissipation and power-supply-rejection requirements of wireless mobile devices. The LDOs extend the battery life of portable devices by drawing only 560 nA (typical) at no load and 42 µA of quiescent current (typical) at full load. The devices are designed for applications such as power meter reader/data terminals, portable industrial and medical measurement devices, and remotely located equipment operating from batteries or solar power.

Digital Power Without the Hype

{sec1_editem1_img1_alt} What is “digital power” anyway? The term has been applied to so many different approaches that it has become nearly meaningless. However, when done right, digital power not only carries meaning, it can result in significant energy savings, even in large installations such as data centers. Learn how well-designed Digital Power System Management (DPSM) can save money, both from better energy efficiency and from prevention of early component failure.

Dealing With DC-DC Converter EMI

{sec1_editem1_img1_alt} Pulse-width modulation (PWM) is very widespread as a switching power conversion topology, but, as with any high-frequency circuitry, there is noise generated. For on-board DC-DC converters in EMI-sensitive applications, this can be a challenge. Quasi-resonant zero-current switching (ZCS) is an alternative switching topology that may be less problematic regarding EMI. Electronic Products and Technology reports, you decide.

Power to the Port

{sec1_editem1_img1_alt} USB ports are used for charging Bluetooth earpieces, MP3 players, and to power many of the peripherals that users connect via the ports. Intersil has introduced a new family of power controllers designed to implement the power supply requirements of USB devices based on the USB 2.0 and 3.0 interface standards. The new family, rated for nominal 2.5V to 5V over the full commercial and industrial temperature ranges, comprises eight functional product versions and three package options.

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April 1, 2011 - Volume 6 Issue 5
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