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
5
References
Texas Instruments,
Input and Output Capacitor Selection
, application note.
Texas Instruments,
Output Ripple Voltage for Buck Switching Regulator
, application note.
Texas Instruments,
Voltage Margin and Bulk Capacitance
, training video.
Electronics Stack Exchange,
Real World Brushed DC Motor Bulk Capacitance Calculations
.