SLVAFT0
July 2024
DRV8706-Q1
,
DRV8714-Q1
,
DRV8718-Q1
1
Abstract
Trademarks
1
Introduction
2
Background and Theory
2.1
Factors Affecting Bulk Capacitor Sizing
2.2
Pulse Width Modulation
2.3
Estimating Motor Current Variation
2.4
General Guideline Calculations Assuming Ideal Capacitors
3
Real-World Results
3.1
Example Measurements
3.2
Revised Practical General Guidelines
3.3
Other Considerations
4
Summary
5
References
Application Note
Bulk Capacitor Sizing for DC Motor Drive Applications