Tool Eases Modeling of Power MOSFETs
Mar 1, 2007
An online tool performs thermal simulation of vendor’s
MOSFETs with high accuracy, but is faster and easier
to use than programs based on finite-element analysis....
Bootstrap Feedback Linearizes Current Source
Nov 1, 2006
Adjustable current sources often exhibit a nonlinear
control characteristic, but the inclusion of bootstrap feedback provides an inherently linear control that works well at all levels of
output current....
SPICE3 Enables Accurate Modeling of Complex ICs
Nov 1, 2006
The capabilities of SPICE3 permit the simulation
of circuits incorporating the latest ICs by way of
special algorithms and modeling techniques....
DSCs Ease Migration to Digital Loop Control
Nov 1, 2006
Armed with high execution rates and power peripherals, digital signal controllers provide
the functionality needed in power-supply designs but don’t require DSP programming....
Digital Power Control Enables System Identification
Nov 1, 2006
Despite obvious advantages over analog controllers, the limited power of today's digital controllers requires careful measuring techniques to accurately capture the real-time response of the control loop....
Digital Control Measures In-System Response
Nov 1, 2006
Digital power solutions make it possible to measure power-stage frequency response in the application, opening the door to new capabilities such as auto-tuning, power-stage diagnosis
and on-the-fly adaptability....
Explore the Lesser-Known Benefits of Digital Power
Nov 1, 2006
Although the use of digital control eases implementation of the basic power management
requirements, it also affords numerous secondary benefits that can make POL power designs more compact, flexible and efficient....
Modified Sine-Wave Inverter Enhanced
Aug 1, 2006
Altering the waveform produced by a modified sine-wave inverter reduces distortion products, while still permitting use of efficient switching techniques....
Calculating Essential Charge-Pump Parameters
Jul 1, 2006
Analysis of a basic charge-pump yields a model that accurately preducts performance under a range of operating conditions, while illustrating a general approach to modeling other power-supply circuits....
Gain Equalization Improves Flyback Performance
Jul 1, 2006
In a discontinuous flyback converter, the gain of the output current is a function of the control voltage. A constant gain can be provided by compensating circuitry, which improves control-loop stability....
Our Industry Looks Increasingly Global
Jun 1, 2006
A few months ago, we ran an Executive Viewpoint column that posed the question, Is Your Job Going To China? The author wasn't merely asking the question,...
Novel SiC Diode Solves PFC Challenges
Jun 1, 2006
Wide-input-range power factor correction (PFC) converters present some of the most difficult component challenges in ac-dc power electronics. With an...
New Products
Jun 1, 2006
Web-Based Simulator Microchip Technology's Mindi is a web-based simulation tool that aids in the design of several circuits useful for power-management...
