Model PCB Thermals with Greater Accuracy
Feb 1, 2008
Electronics companies at the leading edge of performance are being forced to address board-level thermal requirements at the earliest stages of design....
PCB Layout: The Final Weapon In The Power Designers'Arsenal
May 17, 2007
Should the completion of the circuit design be the end of the road for power designers? After all, once the circuit is verified they have met their design goals, it is time to move on to the next project—right? I say no. ...
Protecting Flybacks Against Short Circuits
Aug 1, 2006
Delays in short-circuit protection triggers require careful selection of the magnectics and overcurrent threshold values to prevent component stress....
Unleashing IMPCB Benefits in Motor Controls
Aug 1, 2006
Just around the corner is a new breed of inverter technology for motor-control applications. The limitations of the traditional tried and true, direct-bonded...
Designers Maximize TVS Diode Performance
Mar 1, 2006
A transient voltage suppressor (TVS) diode is an effective, low-cost option to protect sensitive electronic components from electrostatic discharge (ESD)...
Factors Driving Up PCB Costs Aren't Immaterial
Feb 1, 2006
Space on the pc board is often referred to as real estate. And it's no wonder, given how board space, like land, is so precious in many applications....
Managing Board Design For LGA Power Converters
May 1, 2005
As some of the newer dc-dc point-of-load (POL) converters are packaged into smaller and smaller surface-mount packages, thermal and electrical layout...
Buck Converter Losses Under the Microscope
Feb 1, 2005
The synchronous buck converter is the most popular topology in the PC market. The race between the top MOSFET companies is heating up with the rush to design new devices that are faster and better suited to meet the demands of the microprocessor makers....
Exploiting Integrated Planar Magnetics
Jan 1, 2005
By combining two or more magnetic elements
into a single structure, magnetic integration allows
more efficient use of a core's cross-sectional area
and reduces the need for core material....
Printed Wiring Board Manufacturing Advances
Sep 1, 2004
Various new power electronics products are being designed every day for a range of applications. Increasingly, these projects are taking advantage of...
Insulated Metal Substrates Reduce Thermal Impedance
Sep 1, 2001
Today's higher reliability electronic systems mandate a need for optimal thermal management solutions. Watt-density goals have generated additional requirements...
DSP Controls 48V Supply with Battery Backup and PFC
Feb 1, 2001
Active current shaping using flyback ac-to-dc converter provides power factor control and dc voltage regulation.Distributed power supplies will be the...