TIDUEY0
November 2020
Description
Resources
Features
Applications
5
1
System Description
1.1
Li-ion Battery Formation
1.2
Key System Specifications
2
System Overview
2.1
Block Diagram
2.2
Design Considerations
2.2.1
High-Resolution PWM Generation
2.2.2
Feedback Controller
2.2.3
Multiphase Configuration
2.2.4
Current and Voltage Feedback
2.2.5
Delta-Sigma ADC Clock Frequency Tuning
2.2.6
Minimize Crosstalk Error With a Differential ADC
2.2.7
Overcurrent Protection
2.3
Highlighted Products
2.3.1
TMS320F280049
2.3.2
ADS131M08
2.3.3
INA821
3
Hardware, Software, Testing Requirements, and Test Results
3.1
Hardware Requirements
3.2
Software
3.3
Test Setup
3.4
Test Results
3.4.1
Constant Control Accuracy ADS131M08 Feedback
3.4.2
Constant Control Accuracy 12-bit ADC Feedback
3.4.3
Constant-Voltage Control Accuracy
3.4.4
CC, CV Transformation
3.4.5
Constant-Current Transient Response
3.4.6
Charge to Discharge Mode Transition
4
Design and Documentation Support
4.1
Design Files
4.1.1
Schematics
4.1.2
BOM
4.2
Tools and Software
4.3
Support Resources
4.4
Trademarks
5
About the Author
3
Hardware, Software, Testing Requirements, and Test Results