Power Electronics / Power Management


Latest Articles

Stepper driver IC with built-in translator
27 March 2002, Altron Arrow
The A3977 from Allegro MicroSystems is a stepper-motor driver IC with a built-in translator circuit for easy operation of microstepping functions. With this device, it is only necessary to input one pulse ...

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Fixed off-time flyback switching regulator
27 March 2002, Altron Arrow
The STR-G6551 from Allegro MicroSystems is a fixed off-time switching regulator integrated circuit capable of handling up to 60 W. The 5-pin overmoulded TO-220 packaged device uses a hybrid construction ...

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0,05% accurate RMS to DC converter chip
27 March 2002
Linear Technology's LTC1966, is claimed to be the world's first monolithic Delta-Sigma RMS solution. In addition to being extremely accurate (0,25% untrimmed total error from 50 Hz to 1 kHz), it also ...

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Power solution for mobile Pentium 4 processor
27 March 2002, Altron Arrow, EBV Electrolink
Intersil's power solution for the mobile Pentium 4 processor comprises an ISL6215 multiphase PWM controller plus two or three ISL6205 MOSFET drivers for modular power partitioning. This architecture simplifies ...

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Power management IC for DDR
27 March 2002
International Rectifier's IRU3038 is a synchronous PWM controller IC for the termination voltage requirements of double data rate (DDR) memory arrays. The IRU3038 simplifies design and cuts component ...

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Voltage transducers with high isolation
13 March 2002, Denver Technical Products
LEM offers AC, DC voltage transducers for the accurate measurement of AC, DC voltages, with galvanic isolation from 50 V up to 6400 V. The unit illustrated is optimised for traction applications and can ...

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Record efficiency for 400 A Schottky rectifier
13 March 2002
IXYS has introduced what it claims is an industry first - a high-current, highest efficiency, 8 V Schottky rectifier. The device is the DSS 2X200-0008D which is a dual 200 A rectifier device in common ...

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Dual-side cooling package doubles current density
13 March 2002
International Rectifier has introduced what it says is the industry's first dual-side cooling power package that doubles current density in high current DC-DC converters. This surface-mount power MOSFET ...

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Intelligent high-side power switch
13 March 2002, Electrocomp
The highly integrated miniPROFET (for fully PROtected FET) switch from Infineon Technologies incorporates a broad range of smart functions that makes it suitable for the widest variety of automotive and ...

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LDO voltage regulator targets small form-factor applications
13 March 2002, MB Silicon Systems
California Micro Devices has launched its Power Wise Regulator (PWR) family of CMOS Low Dropout (LDO) voltage regulators with the introduction of its first chip solution, the CMPWR163-33. Specifying a ...

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Triple isolated low leak diodes SOT-26
13 March 2002, MB Silicon Systems
Central Semiconductor has added the CMXD6001 Ultra Low Leakage Switching Diode to the family of SUPERmini Triple Isolated Diodes in the SOT-26 package. This device offers three individual devices packaged ...

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ThinSOT synchronous step-down converter
13 March 2002
Linear Technology's LTC3405 is claimed to be the industry's smallest synchronous 300 mA step-down switching regulator. Delivers up to 300 mA of output current from a 2,5 to 5,5 V input voltage range - ...

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Power heatsink for TO-220 regulators
27 February 2002, Actum Electronics
With faster microprocessors requiring higher powers, Aavid has teamed its heatsink capabilities with existing voltage regulators so one does not have to redesign one's motherboard. The 5820 Series works ...

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New FETKY devices save 60% space
27 February 2002
International Rectifier has introduced two new P-channel FETKY devices that co-package a MOSFET and Schottky diode in a single SO-8 to reduce packaging cost and offer substantial space savings. The IRF5803D2 ...

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Ultra-mini zener diodes in SOD-523
27 February 2002, MB Silicon Systems
Central Semiconductor's new CMOZ2V4 and CMOZ2L4 series of Zener Diodes in SOD-523 package are ideal for voltage regulator applications requiring low leakage. Both series offer voltages from 2,4 to 43 ...

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Small system supervisor circuits
27 February 2002, Tempe Technologies
Microchip has expanded its power management product family with four low-cost system supervisors. The TCM809/810 devices are available in 3-pin SOT-23 and Tiny SC-70 package (a third less space than SOT-23). ...

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Modular power supplies
13 February 2002, Sivan Electronic Supplies
Cosel's modular power supplies find typical applications in: measuring and testing equipment; burn-in chambers for batteries, hard disk drives, etc.; LED displays that require multiple output in large ...

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High-efficiency 50 W DC-DC converters 10 mm high
13 February 2002, Vepac Electronics
Artesyn Technologies has further extended its range of quarter-brick DC-DC converters with low-profile 50 W modules. The new EXQ50 series are high-efficiency, open-frame units with very low internal power ...

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Open-loop high current transducers
13 February 2002, Denver Technical Products
Denver Technical Products offers the LEM HAT series of open-loop current transducers with nominal currents of from 500 to 1500 A. This panel-mounted transducer has a large aperture for cables or busbars, ...

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1200 V IGBT modules improve
13 February 2002
IXYS has improved the electrical performance of its present range of 1200 V IGBT six-packs and converter-brake-inverter (CBI) modules by introducing its third generation of non-punch-through (NPT) IGBT ...

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