Power

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Power engineers struggle to overcome the same old problems

Power engineers struggle to overcome the same old problems
Power management is an increasingly important element of electronics design. Engineers face a variety of power management challenges as portable systems require increased battery life, whilst mains-powered systems need to address power consumption to reduce thermal issues, cut operating costs and to meet the environmental need for lower CO2 emissions. In a recent research project, Napier surveyed the readers of Electronic Specifier to understand their needs and the challenges they had to overcome.
8th October 2014

Quietly operate home & office automation equipment

Quietly operate home & office automation equipment
Enabling compact design and quiet operation in applications such as home appliances and office automation equipment, Toshiba Electronics Europe has introduced four motor driver ICs. The TB67S269FTG bipolar stepping motor driver provides 50V and 2A for printers, office automation equipment, ATMs, amusement machines and home appliances.
8th October 2014

Vishay's New 12 V Chipscale MOSFET Cuts Power Consumption for Ultraportable Applications

Vishay's New 12 V Chipscale MOSFET Cuts Power Consumption for Ultraportable Applications
A new power MOSFET that will help decrease power consumption and extend battery usage in smartphones, tablets, wearable devices, and high-end notebook computers was released today by Vishay Intertechnology, Inc. The new chipscale MICRO FOOT p-channel Si8457DB provides the industry's lowest on-resistance at a 1.8 V gate drive for any MOSFET with a 1.6 mm by 1.6 mm footprint and is the only such device with a VGS = ± 8 V rating, which provides an extra margin of safety in lithium ion battery-powered applications.
7th October 2014


Victron Energy launches Battery Balancer

Victron Energy launches Battery Balancer
Victron Energy launches its new battery balancer. Not all batteries are created equal, and when multiple batteries are combined to create one large battery bank, the small differences between the batteries can cause problems that substantially shorten the life time. The battery balancer prevents this by actively correcting the imbalance. Besides correcting, it is also equipped with an alarm function to give a warning in case of a large deviation. Its stunning simplicity and effectiveness is the result of Victron Energy’s extensive experience and knowledge, gained whilst working with both conventional and lithium batteries.
7th October 2014

Micrel Launches New Family of Miniature, Efficient, Low-Profile, DC-DC Power Modules

Micrel Launches New Family of Miniature, Efficient, Low-Profile, DC-DC Power Modules
Micrel introduced the MIC33163/MIC33164 (1A) and MIC33263/MIC33264(2A) a family of low-profile step down power modules capable of 100 percent duty cycle and operating with an input voltage range from 2.7V to 5.5V. These compact modules integrate a synchronous buck converter with an inductor into a 2.5mm x 3mm x 1.1mm (MIC33163/4) and 2.5mm x 3mm x 1.9mm (MIC33263/4) QFN package. These complete power solutions are ideal for use in numerous applications including wireless modules, solid state drives, wearable devices, and camera modules. Incorporating Micrel's proprietary FleaFET technology and the Company's HyperLight Load® control architecture, these devices can operate up to 4MHz with excellent light and full load efficiency (up to 88 percent at 10mA and over 93 percent peak efficiency). This architecture provides an ultra-fast load transient response that minimizes output capacitance thereby reducing total board space to just 4.6mm x 7mm. With such a small footprint and 100 percent duty cycle capability, these power modules offer an efficient alternative to linear regulators. The MIC33163/4 and MIC33263/4 are available in volume with 1,000 quantities pricing starting at $1.32 and $1.70, respectively.
6th October 2014

Save space & extend battery life in mobile devices

Save space & extend battery life in mobile devices
Extending battery life with efficiencies of up to 96%, Intersil has expanded the ISL911xx family of buck-boost and boost switching regulators. Optimised to support system power supplies and peripherals, the regulators provide smooth transitions from buck to boost to prevent glitches and noise in single-cell Li-ion or Li-polymer battery systems such as smartphones and tablets.
6th October 2014

IXYS Introduces The New High Performance DT-Triac Technology Platform

IXYS Corporation announced the expansion of the product portfolio of the new “Dual Thyristor –Triac” technology platform (DT-Triac)
6th October 2014

Fan drivers reduce component count & PCB area

Fan drivers reduce component count & PCB area
Suitable for equipment in which space in limited, a pair of single-phase fan motor drivers have been introduced by Diodes Incorporated. The AH5772 and AH5773 all-in-one, 12V drivers offer a high level of integration, miniature package options and thermal handling, enabling a reduction in component count and PCB area.
6th October 2014

Cedrat Technologies unveils mega-powerful SA75 switching amplifiers

CEDRAT TECHNOLOGIES develops high-performance, cutting-edge actuators and piezoelectric motors. Its new SA75 range of switching amplifiers has been designed to harness the performance of its powerful piezo actuators (APA® and PPA in L and XL) from -20V to +150V under dynamic conditions. It also includes energy-recovery capacities, allowing consumption to be reduced by a factor of 10.
3rd October 2014

Converters operate over 9-36 & 18-75V ranges

Converters operate over 9-36 & 18-75V ranges
Designed for industrial and railway transportation applications, the robust PKE3000PI and PKE5000PI DC/DC converters have been introduced by Ericsson. The converters are particularly suitable for use in distributed power architectures and industrial control systems which typically have a 12, 24 or 48V power supply line.
3rd October 2014


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