Power Electronics / Power Management


Latest Articles

DC-DC converters optimised for intermediate bus architecture
27 August 2003
Power-One offers three DC-DC converters specifically designed to convert a 36-75 V d.c. input into a fully-regulated 12 V d.c. Intermediate bus architecture (IBA) output for DPA applications. In industry-standard ...

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Comprehensive line of AC/DC front ends
27 August 2003
Power-One offers models that provide new features, more mounting options, and increase the upper power range of its AC/DC front-ends to 7000 W and power shelves to 21 000 W. The total power available ...

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Compact 120 W DIN-rail power supply
27 August 2003
Tracopower has added two new models to its recently introduced TCL series of industrial power supplies which offer an outstanding price/performance ratio. These models offer outputs of 12-15 V d.c./8,0 ...

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Tiny integrated converter delivers 15 A
27 August 2003
The X3015P is a new member of Power-One's maXyz family of DC-DC converters. This is an exceptionally small device that uses a semiconductor LGA package and is ideal for powering intermediate bus architecture ...

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PWM controller has loss-less current sensing
27 August 2003
International Rectifier offers a pulse-width modulated (PWM) control IC with built-in, loss-less current sensing and over-current protection that simplifies circuits and maximises efficiency since external ...

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Selecting power management components for portable appliances: LDOs vs switching regulator
13 August 2003, Hi-Q Electronics
While PDAs, mobile phones and other portable appliances are small and compact, they utilise several voltage levels in a single system. Unfortunately, the majority of appliances only contain one battery, ...

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500 W CompactPCI power supply more powerful
13 August 2003
Power-One claims that its 500 W CPA500-4530 has achieved a 25% leap in power, when compared to AC/DC products providing 350-400 W in 6U x 8HP packages, by using its patented efficient dual geometric edge ...

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Totally integrated servo and motor drive module
13 August 2003
International Rectifier's servo and motor drive module, the PIIPM15P12D007, is rated at 1200 V 15 A, and includes the bridge, brake and inverter (BBI) functions in a single unit. Servo and motor controls ...

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Offline switcher cuts power-supply component count
13 August 2003, Altron Arrow
STMicroelectronics has introduced an offline primary power switch for use in applications such as switch-mode power supplies for DVDs, LCD monitors, set-top boxes, games consoles, adaptors and general ...

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100 W external power supply claimed world's smallest
13 August 2003, Vepac Electronics
Measuring only 150 x 70 x 35 mm, the convection-cooled and sealed AED100 external AC/DC power supply is claimed to be the world's smallest 100 W unit. This product is important in a market where designers ...

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Step-down regulator delivers 4 A in less than 3 cm2
13 August 2003
A high efficiency, 4 MHz synchronous buck regulator using a constant frequency, current mode architecture, the LTC3414, is claimed to be able to deliver up to 4 A of continuous output current at voltages ...

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Ultracompact 12 W PCB-mount power supply
13 August 2003
The Tracopower TOM series is a new generation of open frame switching power supplies for direct mounting on PCBs. A cost optimised, compact design and an outstanding price/performance ratio make this ...

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Isolated 40 W DC-DC converters in 8,5 mm high SMD packages
13 August 2003
Power-One's SFS Series is a member of the company's One-SMarT line of surface-mountable DC-DC converters. Its high power density provides up to 43 W of output power from a low profile of just 8,5 mm. ...

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Ground fault sensors
13 August 2003, Denver Technical Products, Circuit & System Protection
LEM's AKS series of ground fault sensors are designed to operate on AC systems in the frequency range from 50 to 400 Hz. Ground fault sensors operate from the line and are also available to operate on ...

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5,0 V reference sets new benchmarks
13 August 2003
The X60008CIS8-50 and X60008DIS8-50 from Xicor are claimed to have a performance that eclipses many of the most accurate voltage references currently available with guaranteed absolute initial accuracy ...

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PWM controller minimises size of transformer needed
27 August 2003
Linear Technology's pulse width modulator controller integrates a sophisticated control mechanism to protect, simplify and reduce the size of isolated/non-isolated 15 to 500 W power supplies with 24 and ...

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Organic gel batteries safer and last longer
30 July 2003
What do space shuttles, satellites, nuclear submarines and ADT's alarm systems have in common? They all use the unique 100% pure organic gel back-up batteries. ADT Security (SA) national procurement ...

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Advanced power solution developed for multiGHz CPUs
30 July 2003, Altron Arrow, EBV Electrolink
Intersil is offering what it claims is the industry's most advanced digital multiphase power (DMP) control ICs and development platform. These ISL6590 and ISL6580 digital multiphase power ICs are designed ...

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Industrial rated switching power supply
30 July 2003, Sivan Electronic Supplies, Infrastructure
Sunpower's industrial 500 W 1U rackmount SPX-6500P1 series power supply has active power factor correction and six outputs. With universal full range AC input it has main output remote sensing, remote ...

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320 + 320 W redundant power supplies for RAID and ATX systems
30 July 2003, Sivan Electronic Supplies
Sunpower's SPR-2321P2 (for Raid) and SPR-2321P6 (for ATX System) are hot swap, easy to install switch mode power supplies. With universal full range AC input these 150 x 175 x 83 mm units are overload, ...

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