Two Servo Drives with Sinusoidal Commutation
Jun 8, 2011
Galil Motion Control announces two multi-axis servo drives that perform sinusoidal commutation: the AMP-43540 which contains four 600Watt servo drives and the AMP-43640 which contains four 20Watt servo drives. ...
Three Phase Brushless DC Motor Pre-Driver IC
Jun 8, 2011
Allegro MicroSystems, Inc. announces a complete three phase brushless DC motor pre-driver with outputs for direct high current gate drive of an all N-channel power MOSFET three phase bridge with a maximum supply voltage of 38 V. ...
Filter Senses Current in High-Voltage Motor Drives
Feb 1, 2006
Traditional motor-phase-current sensing methods depend on sensors with signal bandwidths of 100 kHz or greater. Problematically, such bandwidths allow...
BLDC Motor Driver Delivers More Power
Feb 1, 2006
The growing popularity of brushless dc (BLDC) motors is fueling demand for low-cost ICs capable of driving these three-phase motors. However, the IC-style...
Industrial MCUs Offer New Options for Motor Control
Nov 1, 2005
Industrial and automotive applications are driving the development of microcontrollers with the performance capabilities and peripherals needed to control...
Closed-Loop Control Benefits AC Motors
Jun 1, 2005
Feedback control methods implemented using
low-cost microprocessors enable significant
gains for single-phase ac motor speed controls....
Energy Metering May Link Grids and Chips
Jan 1, 2005
Spurred on by deregulation and new technology, utility companies have increasingly turned to electronic designs for their energy meters. There are many compelling economic reasons for doing so....
Circuit Analysis Accounts For Magnetic Fields
Nov 1, 2004
Ohm's law and Kirchhoff's voltage law (KVL) provide powerful tools for conventional circuit analysis (mesh analysis), but if time-varying magnetic fields...
Multi-die ICs Optimize Power Control for Automotive
Nov 1, 2004
In many automotive subsystems, there are opportunities to integrate power control and power switch functions. However, the high power levels involved...
High-Side Switch for Motors and Lamps
Sep 1, 2004
Low-power dc motor control is one of the most common applications for power electronics, and one for which low-cost solutions are in demand. Design engineers...
Evaluation System Revs Up Design for Motor Driver ICs
Jun 1, 2004
Today's smart power ICs drive a wide range of small motors such as dc, stepper and brushless dc (BLDC). These smart power ICs typically interface directly...
