Power

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Power supplies suit PCBs with a limited space

Power supplies suit PCBs with a limited space
Power supplies which are ready to be soldered onto a PCB have been released by Mean Well. The IRM-45 and IRM-60 devices are rated for 45 and 60W, respectively, and operate from a 85-264VAC input. Both a PCB mounting type and a screw terminal type power supply are available, which measure 87x52x29.5mm and 109x52x33.5mm, respectively. These dimensions, combined with a no load power consumption of less than 0.1W, make the power supplies suitable for PCBs with limited space. 
30th March 2015

Synchronous buck DC/DC IC design

Besides the power efficiency, a key performance requirement for point of load power supply ICs is the transient performance. Sudden changes in the current drawn by the load (for example, an FPGA) require a fast response from the power supply. Such fast variations of the output current, however, cause transient spikes on the output voltage, whose amplitude and duration depend on the transfer function of the regulation loop.
29th March 2015

Digital Control versus Management

Digital power control and management have some distinct and clear advantages, but what can the end-user expect when using a power supply with these features? By Shane Callanan, Director of Applications Engineering Manager, Excelsys Technologies
27th March 2015


Transimpedance amplifier suits metro applications at 100Gb/s

A dual channel linear Transimpedance Amplifier (TIA) for next-gen coherent receiver applications has been introduced by M/A-COM Technology Solutions. The MATA-003806 has transimpedance gain which can be adjusted from 100Ω up to 10KΩ with manual and automatic gain control modes of operation. Input and output peak detectors are available for RSSI and AGC functionality.
27th March 2015

Primary lithium cells gain Asian contract

Saft has won contracts to supply around 5m of its Eternacell branded primary lithium cells to leading OEMs for electricity metering projects in China, India and Taiwan. The contracts represent a significant commercial breakthrough for the Eternacell brand developed specifically for utility metering applications in emerging economies, where the cells offer a suitable combination of value for money, performance and long life.
27th March 2015

Power supply series is UL 60950 & UL 508 ceritified

Power supply series is UL 60950 & UL 508 ceritified
  Acopian Power Supplies has announced that its Narrow Profile power supply series is now certified to UL Safety Standards UL 60950 (Information Technology Equipment) and UL 508 (Industrial Control Equipment), and conforms to all of the legal requirements to achieve CE marking. 
27th March 2015

Primary switched DIN modules offer dust & water ingress protection

Primary switched DIN modules offer dust & water ingress protection
MTM Power has announced its HSD30 series of primary switched DIN rail modules with DC input voltage. The devices offer an input voltage range of 20-72VDC and present an efficient solution for low power applications. Due to MTM's patented thermoselective vacuum encapsulation technology, the devices offer protection against dust and humidity and are especially robust against mechanical stresses.
26th March 2015

Single-channel comparator prolongs battery life

Single-channel comparator prolongs battery life
Designed for use in low voltage battery-powered equipment, the AZV3001 comparator has been introduced by Diodes Incorporated. The single-channel device consumes only 6μA and provides guaranteed operation from 1.6 up to 5.5V, making it well-suited for use in mobile phones, tablets and notebook computers, where it delivers superior performance and helps extend battery life.
26th March 2015

Voltage monitors provide a 1.4% accuracy

Voltage monitors provide a 1.4% accuracy
The LTC2965 and LTC2966, 3.5V to 100V, single and dual channel voltage monitors that draw only 6µA of quiescent current have been released by Linear Technology. Alternative voltage monitoring solutions typically call for a low power comparator, a high input voltage LDO to power the comparator and a high value resistive divider to level translate the monitored rail, all of which increase board space and power consumption, and decrease monitoring accuracy. 
26th March 2015

Meet increasingly high current & power demands in networking

Meet increasingly high current & power demands in networking
The world is becoming increasingly more dependent upon ICT. The development of ever faster broadband, high-speed internet services and applications based on cloud computing architectures has meant increased demand for higher-performance networking, data processing and data storage capabilities. By Patrick Le Fèvre, Marketing and Communication Director, Ericsson Power Modules.
26th March 2015


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