Power Electronics / Power Management


Latest Articles

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, 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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Low-profile bridge rectifiers enable significant height reductions
11 February 2004, EBV Electrolink
Vishay Intertechnology offers a series of low-profile bridge rectifiers that have a low forward voltage drop and low leakage current in a compact package that enables height and space savings in end products. ...

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Handheld power quality analysis tool has long-term recording ability
11 February 2004
The ANALYST Q70 handheld power quality analyser from LEM, offers a comprehensive range of measurements to help to track down the increasing number of power quality problems on single-phase electrical ...

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High power TO-220 heatsink
11 February 2004, Actum
With faster microprocessors requiring higher power than previous chips, Aavid has teamed its heatsink capabilities with existing voltage regulators so one does not have to redesign one's motherboard. ...

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Power quality analysis solutions
11 February 2004
The Fluke Model 43B Power Quality Analyzer comes in three configurations to make it easier and more cost-effective to track down power-related problems in a wide range of industrial and related applications. In ...

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120 W power supply is convection cooled
11 February 2004, Vepac Electronics
The latest switch-mode power supply from XP, the SDS120, is a compact 120 W unit that delivers full power at up to 50°C ambient without the need for forced air cooling. Most other power supplies of this ...

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Rugged H-bridge for 'smart' motor control
11 February 2004, Electrocomp
The TLE 7209R is an intelligent full H-bridge from Infineon Technologies that is designed for the control of DC and stepper motors in safety-critical applications and in extreme environmental conditions. ...

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Driver ICs for motor, power supply and lighting
11 February 2004
International Rectifier's multifunction 600 V high- and low-side driver ICs feature integrated protection. The IR2304 and IR2308 ICs are ideal for half-bridge MOSFET or IGBT circuits used in lighting ...

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Voltage translators
11 February 2004, Tempe Technologies
Pericom Semiconductor's new PI74LVC logic family for bi-directional 3 V to 5 V voltage translation, offer 10 µA Icc (max standby current) compared to 50 to 80 µA, and 50 µA delta Icc (3,3 V port max) ...

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More accurate readings of total energy with metering ICs
28 January 2004, Products & Solutions
Analog Devices' next-generation metering chips now measure 'reactive' energy for more precise readings of energy use. These new energy metering ICs - the ADE7753 and ADE7758 - are based on ADI's high-resolution ...

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Secondary side drivers protect power MOSFETs
28 January 2004, Access Control & Identity Management
Linear Technology's two secondary side synchronous N-channel MOSFET drivers, the LTC3900 and LTC3901 have timer and current sense comparators to protect their external MOSFETs during normal and light ...

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