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Brushless-DC Motor Driver Considerations and Selection Guide
SLVAES1A
June 2020 – May 2022
DRV8300
CONTENTS
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Brushless-DC Motor Driver Considerations and Selection Guide
Trademarks
1
Motor Considerations and Why Brushless DC Motors?
2
Motor Driver Architecture
2.1
Gate Driver vs Integrated FET Driver: Power, Voltage, and Current Requirements
2.2
Three Use Cases: Speed, Torque, or Position:
2.3
Control Methods: Trap, Sine, or FOC
2.3.1
Trapezoidal
2.3.2
Sinusoidal
2.3.3
Field-Oriented Control
2.4
Sensored Versus Sensorless
2.4.1
Sensored
2.4.2
Sensorless
2.5
Current Sense Amplifiers
2.6
Interface
2.7
Power Integration
2.8
100% Duty Cycle Support
3
Texas Instruments' Brushless-DC Motor Drivers
3.1
Gate Drivers: DRV8x and DRV3x family
3.1.1
DRV8x Family
3.1.2
DRV3x Family
3.2
Integrated MOSFET: DRV831x Family
3.3
Control and Gate Driver: MCx Family
3.4
Full Integration: MCx831x and DRV10x Family
3.4.1
MCx831x Family
3.4.2
DRV10x family
4
Conclusion
5
Revision History
IMPORTANT NOTICE
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Brushless-DC Motor Driver Considerations and Selection Guide
Trademarks
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