© 2002 Microchip Technology Incorporated. All Rights Reserved. 1

Motor TypesMotor TypesMotor TypesMotor Types

Microchip Technology Inc.

© 2002 Microchip Technology Incorporated. All Rights Reserved. 2

Common Motor Control Common Motor Control ElementsElements

Common Motor Control Common Motor Control ElementsElements

CalculateMeasure Control

• Rotation• Position• Temperature

• Timing• Math Functions

• Pulse Width Modulation• Power Drivers

© 2002 Microchip Technology Incorporated. All Rights Reserved. 3

Primary Motor TypesPrimary Motor TypesPrimary Motor TypesPrimary Motor Types

DC Brush Motor DC Brushless Motor Stepper Motor AC Induction Switched Reluctance

DC Brush Motor DC Brushless Motor Stepper Motor AC Induction Switched Reluctance

© 2002 Microchip Technology Incorporated. All Rights Reserved. 4

DC Brush MotorDC Brush MotorDC Brush MotorDC Brush Motor

Common Control Implementations Simple power stage control May use position feedback sensors for closed

loop control PICmicro® MCU solutions

4Kw 28-pin to 32Kbyte 64-pin Ex. include PIC16F876 and PIC17C766

Common Control Implementations Simple power stage control May use position feedback sensors for closed

loop control PICmicro® MCU solutions

4Kw 28-pin to 32Kbyte 64-pin Ex. include PIC16F876 and PIC17C766

© 2002 Microchip Technology Incorporated. All Rights Reserved. 5

DC Brushless MotorDC Brushless MotorDC Brushless MotorDC Brushless Motor

Common Control Implementations Closed-loop control

Sensor and sensorless control

PICmicro® MCU solutions TC6XX Fan Controller Family 4Kw 28-pin to 16Kw 64-pin Ex. include: PIC16C73 and PIC18C658

Common Control Implementations Closed-loop control

Sensor and sensorless control

PICmicro® MCU solutions TC6XX Fan Controller Family 4Kw 28-pin to 16Kw 64-pin Ex. include: PIC16C73 and PIC18C658

© 2002 Microchip Technology Incorporated. All Rights Reserved. 6

Stepper MotorStepper MotorStepper MotorStepper Motor

Common Control Implementations Open Loop Control Simple and inexpensive control

PICmicro® MCU solutions 2Kw 8-pin to 16Kw 40-pin Ex. include: PIC12C509A and PIC18C452

Common Control Implementations Open Loop Control Simple and inexpensive control

PICmicro® MCU solutions 2Kw 8-pin to 16Kw 40-pin Ex. include: PIC12C509A and PIC18C452

© 2002 Microchip Technology Incorporated. All Rights Reserved. 7

AC Induction MotorAC Induction MotorAC Induction MotorAC Induction Motor

Common Control Implementations Open-loop control Closed-loop sensor and sensorless control

PICmicro® MCU solutions 4Kw and 8Kw, 28 and 40 pins Ex. include: PIC16C773, PIC16C774,

PIC16F873, PIC16F874

Common Control Implementations Open-loop control Closed-loop sensor and sensorless control

PICmicro® MCU solutions 4Kw and 8Kw, 28 and 40 pins Ex. include: PIC16C773, PIC16C774,

PIC16F873, PIC16F874

© 2002 Microchip Technology Incorporated. All Rights Reserved. 8

Switched Reluctance (SR) Switched Reluctance (SR) MotorMotor

Switched Reluctance (SR) Switched Reluctance (SR) MotorMotor

Common Control Implementations Closed-loop sensor and sensorless control

PICmicro® MCU solutions 2Kw/4Kw 18/28 pins Ex. Include: PIC16C622, PIC16C73, PIC16F873 Trend moving to higher memory PIC18FXXX and

dsPIC™ families

Common Control Implementations Closed-loop sensor and sensorless control

PICmicro® MCU solutions 2Kw/4Kw 18/28 pins Ex. Include: PIC16C622, PIC16C73, PIC16F873 Trend moving to higher memory PIC18FXXX and

dsPIC™ families