Power Electronics / Power Management


Latest Articles

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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Schottky rectifier in new flat lead package
20 October 2004
Royal Philips Electronics' portfolio of MEGA Schottky rectifier diodes now includes the compact flat lead SOD323F package. These rectifiers are more than 75% smaller than rectifiers in the industry standard ...

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Power moves back up the priority list
20 October 2004, ASIC Design Services
As system designs begin to use components at the 130 and 90 nm process nodes, power consumption has once again hit the headlines. At 130 nm geometries, static power (caused by current leakage) has become ...

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Reference design for halogen transformer IC
20 October 2004
International Rectifier offers a complete reference design circuit for its IR2161 halogen transformer IC. The reference design is a pre-fabricated and proven circuit for halogen lighting applications, ...

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165 W AC/DC switchers in ultra-compact footprint
20 October 2004, Vepac Electronics
XP has introduced an ultra-compact open-frame AC/DC switching power supply intended for space-constrained applications in telecommunications, industrial automation, networking and datacoms. The IFC165, ...

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Optocoupler driver IC for isolated power supplies improves transient response
20 October 2004
Linear Technology has introduced an optocoupler driver for isolated power supplies that need tight regulation, fast transient response and overshoot protection.    The LT4430, housed in a small 6-pin SOT-23 ...

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Flexible power supply controllers
20 October 2004, CST Electronics, Electrocomp
Maxim's new EEPROM-programmable, hex/quad power-supply sequencers/supervisors with an integrated 10-bit ADC are system-management devices that combine voltage monitoring, supervisory functions, margining ...

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Tips for successful power-up of today's high-performance FPGAs
20 October 2004, Programmable Logic
A major issue facing designers of FPGA-based systems is achieving a clean power-up. In this article we explain FPGA power requirements and the causes of their power-up problems. We then provide a strategy ...

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Single switch forward controller helps simplify power supply designs
20 October 2004
Linear Technology's LT1952 is a current mode PWM controller in a 16-lead SSOP package that is optimised for forward converter topology power supply design. The device requires only one primary side MOSFET ...

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Distribution rack simplifies IT power management
20 October 2004, Rittal
Rittal's PDR power distribution rack is a new solution for the installation of central power supply for IT systems with cascaded and flexibly expandable modules. The connection to the mains is made in ...

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UPS performance verification: getting value from your investment
20 October 2004
Uninterruptible power supply (UPS) systems are critical components of a cohesive power reliability program. But just because a UPS is running does not mean that it is fully operational or that it can ...

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40 V boost converter includes a 2 A switch in SMT
20 October 2004, Information Security
Linear Technology's LT1935, is claimed to be the industry's highest power switching regulator in SOT-23 package. The device is a 2 A, 40 V, 1,2 MHz step-up DC/DC converter in a ThinSOT package. Its wide ...

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Kool Mµ 'E' cores offer advantages
20 October 2004, Transport (Industry)
Kool Mμ powder cores from Magnetics are made of a ferrous alloy powder (Al, Si, Fe composition), which has low losses at elevated temperatures. Kool Mμ E-cores have a distributed air gap that makes them ...

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Permanent power monitoring helps maximise availability
20 October 2004, Rittal
Active PSM power system module is the name of Rittal 's new series of active power-socket modules that incorporate a permanent display of the total current per plug-in module in a rack. User-defined limit ...

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3 and 5 W DC-DC converters with high isolation
20 October 2004, Brabek
The 3 W and 5 W DC-DC converter devices (REC3- and REC5-Series) from Recom International offer 5 kV d.c. isolation in SMD or DIP package. The REC3/5 converters are aimed at applications that demand high ...

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Industrial power tubes
20 October 2004, Denver Technical Products
Denver Technical Products, which has been active in the power tube business for the last 15 years, has now been appointed South African distributors for e2v Technologies industrial power tubes (valves). ...

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