Power Electronics / Power Management


Latest Articles

High power switching regulator
25 August 2004
Linear Technology claims its LT1935 is the industry's highest power switching regulator in ThinSOT-23 package. The 2 A, 40 V, 1,2 MHz step-up DC/DC converter has a wide 2,3 V to 16 V input voltage range ...

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Small DC/DC boost regulators
25 August 2004, MB Silicon Systems
Micrel's MIC2288/90 series, two new small-sized PWM DC/DC boost converters capable of generating up to 34 V, are suited for powering organic EL and LCD displays, and photo-flash LEDs. With its internal ...

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Converter integrates FETs to simplify 3,3 V supply
25 August 2004, Altron Arrow, EBV Electrolink
Texas Instruments has released a high-efficiency step-down, continuous-output 14 A DC/DC converter with peak 18 A FETs integrated onto a single chip. It comes in 28-pin HTSSOP (6,4 x 9,7 mm). ...

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Reference design for flyback AC-DC power supplies
11 August 2004
A reference design for flyback topology AC-DC power supply circuits, commonly found in DVD/CD players, set-top boxes and an array of consumer electronics, is offered by International Rectifier. Using ...

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Universal-input, single-output SMPS has passive power factor correction
11 August 2004
Taiyo Yuden's PAS250 is the second model in its new PAS Series of passive PFC-based, switch-mode power supplies for 1U-height single-output applications. Like the company's 150 W companion model (PAS150), ...

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Key specifications of passive microwave devices
11 August 2004, Telecoms, Datacoms, Wireless, IoT
Most microwave devices provide a number of specifications of varying importance. The significance of return loss, insertion loss, passive intermodulation product levels, and isolation will be considered ...

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Surface mount power MOSFETs offer 150% increase in power dissipation
11 August 2004, Tempe Technologies
Rohm has expanded its family of surface mount power MOSFETs with a range of ultra-miniature devices that have on-resistance ratings as low as 35 mΩ and that handle currents up to 3,5 A. Intended for ...

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Robust motor drive control ICs
11 August 2004, Infrastructure, Products & Solutions
International Rectifier says that its 1200 V-rated HVICs (high voltage integrated circuits) can be safely used as a single-part solution in high voltage industrial systems for protection circuits as well ...

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Triple LDO with high ripple rejection
11 August 2004, MB Silicon Systems, Products & Solutions
The MIC2215, a triple, low dropout regulator (LDO) for electronic device applications including cellular phones, PDAs, PCs and peripherals such as wireless LAN cards, sets a new industry standard for ...

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AS-I gateway interface with graphical display and 'built-in AS-I scope'
August 2004, Innomatic, Operator Interfaces, Switches & Relays
Innomatic is offering the Bihl + Wiedemann AS-I gateway with graphical display. The device is a high-end solution to link AS-Interfaces with a superior fieldbus system. The AS-I Gateway features one or ...

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Two new families of linear regulators optimised for specific uses
28 July 2004, Altron Arrow
National Semiconductor has introduced a new generation of seven low dropout (LDO) regulators designed to meet the unique power management needs of digital processor, analog and RF subsystems. The new ...

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AC to DC converter module
28 July 2004, Tempe Technologies
The latest AC-DC converter module from Rohm Electronics is a highly integrated and compact device that can simplify the design and reduce the component count, size, weight and cost of AC to DC power supplies. ...

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Spectrometer measures Pb contamination
28 July 2004, Manufacturing / Production Technology, Hardware & Services
A novel instrument is being offered that promises accurate assessment of lead contamination as a quality-assurance measure in compliance with the RoHS and WEEE Directives. According to the maker, Fischer ...

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Ultra low resistance PowerMOSFET
28 July 2004, Altron Arrow
NEC Electronics (Europe) has introduced a new series of PowerMOSFET in advanced UMOS-4 technology, extending its NP-series with 15 new products. These MOSFETs feature ultra-low resistance, high current ...

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Smallest 1,8 V output step-up converter
28 July 2004, CST Electronics, Electrocomp
The MAX1947 is said to be the smallest 1-cell/2-cell input step-up DC-DC converter on the market. It comes in 3 x 3 mm 8-pin thin DFN package. With 2 MHz switching, current-mode control, component size ...

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Robust 1200 V control ICs
14 July 2004
International Rectifier's new IR2214 and IR22141 devices are 1200 V-rated high voltage integrated circuits (HVICs) for industrial motor drive control. They can be used as a single-part solution in high ...

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New hysteretic mode controllers and their possible future
14 July 2004, Altron Arrow
There is a new family of DC/DC converters that do not work in the traditional PWM (pulse width modulation) or PFM (pulse frequency modulation) mode but in the 'hysteretic' mode. This article introduces ...

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Power supply for application in Zone 2
14 July 2004, Phoenix Contact
For use in areas with explosion risk - Zone 2, Phoenix Contact offers two compact Quint Power power supplies and a Quint Diode redundancy model with type 'n' explosion protection in accordance with EN ...

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External medical power supply delivers 80 W in a compact package
14 July 2004, Vepac Electronics
Housed in a small package measuring 168 x 78 x 43 mm and weighing 800 g, the PCM80 from XP is a compact, 80 W external power supply designed for medical applications. The power supply operates at 83% ...

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Uninterruptible power supplies for 24 V systems
14 July 2004, Phoenix Contact
The new Quint Buffer and Quint DC-UPS uninterruptible power supplies (UPS) from Phoenix Contact ensure continuous operation of all 24 V devices in electrical installations during power interruptions. ...

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