This reference design provides a multi-phase solution for a wide range of current battery test applications. Leveraging the dual phase buck/boost controller LM5170's daisy chain configuration gives the design the ability to achieve 100A charging/discharging rates. Utilizing high accuracy constant current (CC) and constant voltage (CV) calibration loops, TIDA-01041 can achieve up to 0.01% voltage control accuracy. All key design theories are described guiding users through the part selection process and optimization. Finally, schematic, board layout, hardware testing, and results are also presented.
A fully assembled board has been developed for testing and performance validation only, and is not available for sale.
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Reference design overview and verified performance test data
Detailed schematic diagram for design layout and components
Complete listing of design components, reference designators, and manufacturers/part numbers
Detailed overview of design layout for component placement
Files used for 3D models or 2D drawings of IC components
Design file that contains information on physical board layer of design PCB
PCB layer plot file used for generating PCB design layout
Includes TI products in the design and potential alternatives.
| Type | Title | Date | |
|---|---|---|---|
| * | Design guide | Battery Tester Reference Design for Multiphase High-Precision 0.5- to 100-A Batt (Rev. A) | Jul. 18, 2019 |
| Technical article | Taking a modular approach to high-precision, high-current battery test equipment | Jun. 21, 2019 | |
| Technical article | Achieving highly accurate full-scale charge and discharge current control for high-cell Li-ion battery-formation testing | Aug. 13, 2018 |
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