Driver ICs Elevate Design of Stepper-Motor Control
Aug 1, 2007
Two-chip designs combining a microcontroller or DSP
with a highly integrated driver IC simplify the design of a
stepper-motor controller, while also enabling sophisticated
control features that would be hard to implement discretely....
Average Current Sensing Empowers Blower Motors
Jun 1, 2007
A new technique implemented in a sensorless motor controller chip performs carefully timed sampling of phase currents, giving excellent torque regulation in brushless dc-motors....
Is Power Factor Correction Justified in the Home?
May 1, 2007
Though PFC equipment may be warranted in industrial
applications, an analysis of the energy savings enabled
by this equipment in residential applications suggests its
added cost to the consumer may not be justified....
Dual Motor Control Eases Appliance Design
Feb 1, 2007
While advanced field-oriented control enables the use
of compact permanent-magnet motors, reductions in
drive electronics are also possible when a single controller manages dual motors....
Motion-Control Platform Takes Flight
Nov 1, 2006
With the introduction of the IRMCT3UF1 motor-control module, International Rectifier (IR) has taken motor-control technology originally developed for...
Enhance Triac Reliability Through Thermal Design
Sep 1, 2006
Appliance applications illustrate how to perform the necessary thermal calculations using datasheet information supplied by the semiconductor vendor....
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...
Motor Technology Upgrades Cooling Fans
Aug 1, 2006
A novel motor design and driver IC reduce Hall sensor requirements, enabling use of high-efficiency 3-phase brushless dc fans in laptops and other low-cost products....
Sensorless Motor Control Simplifies Washer Drives
Jun 1, 2006
Washing controls have used power inverters to control motor speeds for years. Variable-speed control enables a significant simplification of the mechanical...
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...
Modular Approach Simplifies Power-System Design
May 1, 2006
The introduction of the first ICs in the early 1960s greatly simplified the design and manufacturability of complex electronic circuits by combining many...
Semiconductor Vendors Turn to Modules
Mar 1, 2006
In the next few years, semiconductor suppliers will play a more pivotal role in the future of power. This role definition is driven by a number of factors....
