Motorola M68HC08 manual Appendix B. Glossary, SG40N

Freescale Semiconductor, Inc.

Freescale Semiconductor, Inc.

Designer Reference Manual — Sensorless BLDC Motor Control

Appendix B. Glossary

AC — Alternative Current.

ACIM — AC Induction Motor.

A/D converter— analog to digital converter.

ADC — analog to digital converter - see “A/D converter”

back-EMF— back Electro-Motive Force (in this document it means the voltage inducted into motor winding due to rotor movement)

BLDC — Brushless DC motor.

CW — CodeWarrior - compillers produced by Metrowerks

DC — Direct Current.

dc-bus— part of power converter with direct current

DC-motor— Direct Current motor, if not mentioned differently, it means the motor with brushes.

DT — see “Dead Time (DT)”

Dead Time (DT) — short time that must be inserted between the turning off of one transistor in the inverter half bridge and turning on of the complementary transistor due to the limited switching speed of the transistors.

duty cycle — A ratio of the amount of time the signal is on versus the time it is off. Duty cycle is usually represented by a percentage.

ECLOVACBLDC — 3-ph AC/BLDC Low Voltage Power Stage

ECMTRLOVBLDC — 3-ph BLDC Low Voltage Motor-Brake SM40N +

SG40N

DRM028 — Rev 0		Designer Reference Manual
MOTOROLA	Glossary	163
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