Power Electronics / Power Management


Latest Articles

New Schottkys said to outperform traditional Ultrafast rectifiers
9 February 2005
ON Semiconductor has pushed the Schottky voltage barrier above 200 V with the introduction at the recent Power Electronics Technology Conference, of the first 250 V silicon Schottky for plasma/LCD television, ...

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High-current MOSFETs in D2Pak
9 February 2005
International Rectifier has introduced a pair of 55 V rated Q101-qualified automotive HEXFET power MOSFETs rated for continuous duty in the D2Pak outline. The 55V devices are designed to increase safety ...

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Highly integrated buck regulator
26 January 2005, Altron Arrow, Residential Estate (Industry)
The LM5010 is a 75 V buck regulator IC with all the functions needed to implement an efficient power management solution capable of supplying in excess of 1 A load current says manufacturer National Semiconductor...

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100 A in a standard quarter-brick package
26 January 2005, Surveillance
New high performance DC-DC converters that conform to the industry-standard quarter-brick footprint and pin outs, have been announced by Vicor. Said to leapfrog existing ¼-brick offerings in the areas ...

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Fin-type cooling solution
26 January 2005, Retron
The complexity of electronic components increases every day. This results in ever higher cooling requirements. Seifert Electronic now offers an optimum solution that enables the design engineer to realise ...

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Rad-hard MOSFETs improve efficiency
26 January 2005
Two new radiation-hardened logic-level gate drive MOSFETs designed to boost efficiency and performance in circuits that traditionally relied on bipolar transistors, the IRHLUB7970Z4 and IRHLUB770Z4 have ...

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Power meter system-on-chip
26 January 2005, Electrocomp
TDK Semiconductor's power meter IC, the TDK 71M6511, integrates a 21 bit delta-sigma converter with three sensor channels, 32-bit compute engine, MCU, RTC, LCD driver, and precision voltage reference ...

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1,1 A charge pumps for LEDs
26 January 2005, CST Electronics, Electrocomp
The MAX1577Z/MAX1577Y ICs are high-efficiency 1x/2x charge pumps from Maxim, which can drive white LEDs with regulated current up to 1,1 A (800 mA guaranteed). By using a proprietary adaptive-mode switching ...

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How to drive white LEDs in portable devices
17 November 2004, Hi-Q Electronics
Saving power, many portable devices use white LEDs as a means of display illumination. This article explains how a high-efficiency driver IC simplifies design of the LED driver circuitry. The explosive ...

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PCB mount current transducers operate from +5 V
17 November 2004, Denver Technical Products
LEM has introduced the HAIS series of PCB-mounted current transducers, designed to operate from a single +5 V power supply. The transducers are available with rms ratings of 50 A/100 A/150 A/ 200 A/400 ...

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In-line packaged rectifier bridge
17 November 2004
IXYS' new single-phase rectifier bridge, the GBO25-12/16NO1, is packaged in a standard, thin single in-line package. Current bridges offer from 50 V up to 1000 V whereas this device features a VRRM of ...

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Power management IC for Xilinx FPGAs
17 November 2004
Texas Instruments has released a highly efficient, power management IC for Xilinx's Spartan-II/IIE/3 series of FPGAs. The company says the triple-channel device significantly reduces the number of external ...

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SuperFREDMesh technology enhances MOSFET portfolio
3 November 2004, Altron Arrow
STMicroelectronics recently introduced an n-channel MOSFET for use in HID lamps, high-end ballasts and switch-mode power supplies that use zero-voltage and zero-current transitions. According to the ...

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500 mA ultra-low dropout regulator has very high PSRR
3 November 2004, MB Silicon Systems
The MIC5319 is a high-performance, 500 mA LDO regulator, offering extremely high PSRR (up to 70 dB @1 kHz) and very low noise while consuming low ground current, says the manufacturer, Micrel. Ideal ...

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Battery manager for rechargeable battery packs
3 November 2004, Altron Arrow, Tempe Technologies
Microchip has expanded its battery management product line with an integrated, reprogrammable, fuel-gauge for two, three, and four series cell lithium-ion and lithium-polymer, or six to 12-cell nickel ...

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Multiple outputs join ultra-compact industrial and medical power supply family
3 November 2004, Vepac Electronics
Complementing the single-output models XP introduced earlier this year, the company has now released multi-output versions of the ECM40 and ECM60 families of 40 W and 60 W a.c./d.c. switching power supplies. ...

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Single-chip power over Ethernet solution
3 November 2004, Altron Arrow
The LM5070 is the first single-chip power device (PD) solution to feature the high performance and tiny package footprint needed to dramatically simplify the design of systems that use power over Ethernet ...

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Capacitive level sensors
November 2004, Gail Norton Instrumentation, Sensors & Transducers
The smart level sensors of the SK1-FSA series have been adjusted in the factory for standard applications. In this configuration, these level sensors are suitable for detecting aqueous media through glass ...

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Satellite communications set to soar
November 2004 (es), Communications, Messaging
Satellite technology as a fast, high-quality component of South Africa's corporate communication mix, is set for takeoff now that telecommunications regulations are being eased, says Roy Ingle, regional ...

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Power management IC for portable equipment
20 October 2004, Altron Arrow
The TPS65013 is an integrated power and battery management IC from Texas Instruments for applications powered by one Li-ion or Li-polymer cell and which require multiple power rails. The device provides ...

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