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Technical Features

 




 

 

Technical Features

January 2011
Comm Equip Makers Demand High Power Output & Small Footprint

Figure1. LTM4622(A) Can Be Mounted on the Underside of a PCB

Many communications systems are powered via a 48V backplane. This voltage is normally stepped down to a lower intermediate bus voltage, typically to either 12V, 5V or even lower, in order to power the racks of boards within the system. However, most of the sub-circuits or ICs on these boards are required to
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Date:
09/29/2018
Efficiency Cost & Compactness

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Figure 1: 65W demo board of the TEA1733

The current market of Switch Mode Power Supply IC's shows increasing demand on efficient and cost effective solutions that enable slim and compact design. The industry standard Energy Star Version
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Date:
01/19/2011
Power Management Purity

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Figure 1: Noise Rejection Utilities

Modern power systems feature high speed serial communication between load and voltage regulators (VR) to enable sophisticated power management operations. This communication is susceptible to
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Date:
01/17/2011
Supply Continuity

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With a recent survey reporting power outages as a common experience, and most users expecting the situation to worsen, UPS systems are now essential for business critical ICT equipment. The
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Date:
01/15/2011

High Efficiency Tuning

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Optimizing a power converter means making the right inductor choice. Choosing an inductor is a fairly simple proposition, with relatively few parameters to consider. Yet a solid understanding of
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Date:
01/15/2011
Powering Flexibility and Reliability

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Figure 1a: The effects of parallel connecting two power supplies without share control

Flexibility is one of the major advantages of power supplies using digital power conversion, where customer specific optimisations can be achieved without the expense of changing the hardware.
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Date:
01/15/2011
Designing for Efficiency

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Figure 1: Effect on efficiency of reducing component size by increasing switching frequency

Reducing the size and improving the efficiency of AC-DC power supplies are constant pressures. In addition, the requirement for portability in some equipment means that not only the size but also
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Date:
01/15/2011
Comfort with Conservation

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Figure 1a: Application reference design for air-conditioning systems

The demand for energy in our world is increasing dramatically. A large portion of this demand comes from air-conditioning systems that are running over all the different climate zones. Energy saving
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Date:
01/15/2011
Secondary Thermal Protection
The growing demand for electronics that can operate in harsh environments such as under-hood automotive systems and rugged industrial applications is fueling a trend toward new materials and more
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Date:
01/15/2011
Integrated High-Power Converters

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Figure 1: 347W universal input PFC

Power supplies of up to1kW output power account for the majority of power supplies used in high-volume electronics applications. One obvious application that we use every day is the personal computer,
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Date:
01/15/2011
Boosting Power System Efficiency

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Figure 2: Measured data for the Ericsson BMR450 20-Amp power module when varying input voltage from 4.5 to 14 volts and with load from zero to 20 Amps.

This case study presents the results of Ericsson's findings of using a novel algorithm to optimize intermediate bus voltage. This approach saves significant energy and cost, while increasing reliability. The
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Date:
01/14/2011

 



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