Power Electronics / Power Management


Latest Articles

Free capacitor software
24 March 2004, Design Automation
Extensive design and selection software for ceramic chip capacitors (MLCCs) is available for free download from the Murata website ( www.murata.com). Information includes an MLCC S-parameter and impedance ...

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Split-core current transformers
24 March 2004, Denver Technical Products
OSI of the USA has introduced the CTY Series of split-core current transformers (CTs) that are available in current ranges of 50 A to 2500 A, with output possibilities of 0,1 A, 5 A, 0,333 V, 1 V and ...

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Single IC dual output, 2-phase DC-DC
24 March 2004
International Rectifier has introduced dual output, two-phase DC-DC power blocks in single BGA packages for synchronous buck applications. The devices help simplify design, reduce size and streamline ...

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White LED driver offers 32 brightness levels
10 March 2004, Hi-Q Electronics
Advanced Analogic Technologies has developed two advanced Power Management ICs designed specifically for driving and controlling the brightness of up to six white LEDs used to backlight colour LCDs used ...

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White LED driver with single-wire dimming control for main and sub-displays
10 March 2004, CST Electronics
The MAX1575, a high-efficiency 1x/1,5x charge pump from Maxim, can drive up to four white LEDs in the main display and up to two white LEDs in the sub-display. By using the adaptive 1x/1.5x modes and ...

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P-channel power MOSFET enables simplified DC/DC converters
10 March 2004, Altron Arrow, News & Events, Security Services & Risk Management
Siliconix, a subsidiary of Vishay Intertechnology has introduced the industry's first p-channel power MOSFET optimised for use in synchronous buck converters. Used on the synchronous buck high-side, ...

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Battery selection and life expectancy
10 March 2004, Altron Arrow
A key issue in battery design is the service life, which may be a critical parameter when specifying a battery. Determining the right power management solution for any battery-driven application is a ...

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Battery management products move into smaller mobile devices
10 March 2004, Tempe Technologies
Microchip's PS700 battery monitor provides precise predictions of battery capacity and condition resulting in longer run time and improved system-power management. The device predicts runtime, charge ...

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Small footprint 130 W power supply is approved for medical use
10 March 2004, Vepac Electronics
Designed for medical applications where space is limited, the ECM130, 130 W open frame power supply from XP has a footprint of 76 x 127 mm and is 32,5 mm high. It can deliver 100 W continuous output at ...

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5 V point of load converters
10 March 2004
Power-One's second series of products in its Nex Family of POL converters, the 5 A YNM, 10 A YNL, and 16 A YNS non-isolated DC/DC converters are optimised for operation from a 3,0 to 5,5 V d.c. IBA bus. ...

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Quarter-brick intermediate bus converter family can deliver 600 W
10 March 2004
The first members of Vicor's family of 48 Vin intermediate bus converter modules (IBCs), are offered in standard ¼-brick format and operate from a 38-55 V d.c. input. The IBC family consists of nine fixed-ratio ...

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Regulator has very low quiescent current
10 March 2004, Tempe Technologies, Products & Solutions
Microchip's new MCP1700 low-dropout regulator offers very low operating current, delivering up to 250 mA of output current, while consuming only 1,6 µA of quiescent current. The dropout voltage for this ...

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Power modules simplify design of variable-speed motor drives
25 February 2004
International Rectifier has introduced three new advanced integrated power modules (IPMs), expanding its iMOTION family of integrated power modules. IPMs simplify variable-speed electronic motor control ...

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Low profile power supplies
25 February 2004, Vepac Electronics, Infrastructure
Suited to any industrial application requiring a low cost, low profile AC/DC power supply with between one and four outputs, ACL series switchers from XP come in a choice of 36 models with power ratings ...

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New generation of power supply units
25 February 2004, Phoenix Contact, Infrastructure
The Quint Power generation of power supply units from Phoenix Contact provides a universal 24 V supply from 60-960 W. Consistent implementation of a wide input range ensures safe operation on all common ...

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Small PCB-mount current transducers
25 February 2004, Denver Technical Products, Surveillance
LEM's HTS 10-P is the smallest current transducer in its range occupying only 17 x 19 x 10,5 mm (L x W x H) on a printed circuit board. Using a unipolar power supply of 0 to +5 V, it allows bipolar current ...

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Power conversion IC targets wasteful supplies
25 February 2004, Integrated Solutions, Security Services & Risk Management
Power Integrations expanded its family of high-voltage power conversion ICs that cost-effectively replace energy wasting, non-isolated power supplies found in home appliances and industrial controls. ...

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PCI Express hot-swap controller
25 February 2004, MB Silicon Systems
Micrel Semiconductor offers what it claims is the first hot-swap power controller IC to support the current PCI Express power control requirement. In 48-pin TQFP package, the MIC2592A is a three-rail-by-dual-slot ...

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'Smart' power MOSFETs have unique mix of protection circuitry
11 February 2004
A family of self-protected MOSFETS that deliver superior performance in demanding automotive and industrial applications feature an advanced level of integration made possible using On Semiconductor's ...

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400 mA step-down converters help increase battery life in portable devices
11 February 2004
Extending efforts to improve system run-times in application processor-powered and digital signal processing-based portable devices, Texas Instruments designed and has released a family of 400 mA, synchronous ...

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