Power Electronics / Power Management


Latest Articles

The switching power supply: a primer
31 May 2006, Current Automation
The switching power supply has replaced the linear power supply gradually. It is widely used in all kinds of electronic equipment, including module type sources, driver type sources, UPS and battery chargers. ...

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Range of bench power supplies for various applications
31 May 2006, Test & Measurement Instruments (TMI)
Test & Measurement Instruments, which has specialised in test instruments for over 20 years, carries a large variety of reliable laboratory bench type power supplies. These include: single, dual or triple ...

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Tiny step-down converter with I²C enables dynamic voltage scaling
31 May 2006, Altron Arrow
Texas Instruments has developed a tiny, high-performance power conversion IC to work in tandem with processing platforms that use the company's SmartReflex power and performance management technologies. ...

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Dual-output boost converters for OLED and white LED displays
31 May 2006, Altron Arrow
Texas Instruments has introduced two new high-efficiency, dual-output DC-DC boost converters that can manage two sets of six white light-emitting diodes (LEDs) - all from a single IC with an inductor. ...

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Hybrid emitter-switched transistor reduces power dissipation
31 May 2006
STMicroelectronics hybrid emitter-switched bipolar transistor (ESBT) is designed for use in welding equipment, induction heating systems and power factor correction for audio amplifiers. The STE50DE100 ...

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96% efficient DC-DC chip operates over a wide input down to 1,8 V
31 May 2006, Altron Arrow
Texas Instruments has released a buck-boost power management integrated circuit that helps extend battery life in smart phones, digital still cameras and other single-cell, Li-Ion powered multimedia devices. ...

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Driving IGBTs with unipolar gate voltage
31 May 2006
Infineon recommends the use of negative gate voltage to safely turn-off and block IGBT modules. In areas with nominal currents less than 100 A, the negative gate voltage is often omitted for cost reasons. ...

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DC-DC converter has wide input voltage range
31 May 2006
Adequate Energy, a Cape Town-based electronics power development company, has released a compact 15 A DC-DC converter that has what it claims, one of the widest input voltage ranges and an efficiency ...

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Secured input and output voltages - redundancy without compromise
31 May 2006, Actum
The subject of 'redundancy' is on everyone's lips, as high availability is a must for more and more applications. However, with the redundant power supply it was mostly the output that was of interest, ...

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Solar power pack for the home and professional user
31 May 2006
Sinetech has launched a pre-wired power pack - called 'The Sun Box' - that is available in a variety of configurations to suit the needs for a remote-powered application. It is intended for the more sophisticated ...

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Power pack for the home/small business user promises long backup time
31 May 2006
Sinetech has launched a 'Home UPS' standby system. Available in a variety of configurations to suit the needs of the home user, retail or small business application, it provides an AC power back-up capability ...

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Power system for low voltage military, avionics, and space applications said to be most efficient
31 May 2006, Eagle Africa Technology
A new power system, claimed to be the most efficient DC-DC distributed standard power solution available to satisfy the unique requirements of military, avionics, and space applications, is available ...

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Data centre power supply guaranteed with modular UPS system
31 May 2006, Rittal
The availability of systems and the reliability of data centres are a deciding factor for the efficiency and productivity of business processes. Rittal claims its UPS system power modular concept (PMC) ...

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Control IC for automotive DC motors
31 May 2006, EBV Electrolink, Altron Arrow
The highly integrated ATA6026 motor driver IC is the first member of a new family of devices from Atmel. It is used to drive continuous-current motors in full H-bridge configurations, and supports PWM ...

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Step-down DC-DC converter has low quiescent current
31 May 2006
Linear Technology's LT3481 is a 2 A, 36 V step-down switching regulator with Burst Mode operation to keep quiescent current under 50 μA. The LT3481, available in 10-Pin MSOP and DFN-10 packages, operates ...

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Miniaturised discrete package portfolio broadened
31 May 2006
Responding to the portable product industry's need for further miniaturisation of discrete component packaging, ON Semiconductor has introduced three new Schottky and three new ESD diodes in a 1,4 x 0,6 ...

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PWM controller IC enables high density point-of-load regulators
3 May 2006
International Rectifier has introduced the IR3624, a 600 kHz single-phase synchronous buck PWM controller IC designed for high density, 10 A non-isolated point-of-load (POL) regulators used in networking ...

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Current sensor has wide input voltage range
3 May 2006, Communica
Supertex has released a new high side, current sensing IC. The HV7800 IC features a very wide operating range of 8 V-450 V d.c, which allows it to work with DC power systems of 12 V, 24 V, and 48 V, as ...

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'Green' controller ICs enable energy-efficient PC power supplies
3 May 2006
Royal Philips Electronics has added two new devices to its GreenChip family of energy-efficient ICs. The Philips GreenChip PC is a chipset featuring an innovative, all-in-one design that it says increases ...

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330 W isolated DC-DC converter reference design for 48 V bricks
3 May 2006
International Rectifier's new reference design, featuring the IR2086S DC Bus Converter control IC and DirectFET power Mosfet chipset, the IRDC2086-330W, can simplify the development of 48 V input brick ...

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