EDN

How to supply, load, and test power-management circuits (Part 1 of 2)

To help power supply development, semiconductor companies offer evaluation boards which show a typical application of a power-management IC. This gives design engineers the opportunity to start their ...
Electronic Design

System-level test contends with billions of untested transistors

Why might you need semiconductor system-level test (SLT)? As Karthik Ranganathan, director for semiconductor solutions at Astronics Test Systems, points out, if you test a 22-nm, ...
Electronic Design

This Crucial WBG Power Transistor Reliability Test is Often Missing

There is a great deal of activity in wide bandgap (WBG) power electronics lately, with Gallium Nitride (GaN) and Silicon Carbide (SiC) devices getting a lot of attention due to the technologies’ ...
Semiconductor Engineering

Power-Supply Card Targets High-Voltage PMIC Test

The electronics industry is seeing a move toward higher voltages and currents to deliver sufficient supply and charging power in products ranging from handheld cellphones and tablets to workstations.
EDN

Testing a power supply – Noise (Part 2)

Read the introduction to this series in Part 1, and the conclusion in Part 3, which covers stability. This is Part 2 of a three-part series which discusses how to properly test a DC/DC power supply to ...