To decrease the cost of batteries, manufacturers need to take a holistic, “ecosystem-wide” approach and leverage system-level expertise to reduce the overall battery test circuit footprint while increasing the number of channels. It’s important to note that both must be done while maintaining the accuracy, precision, reliability, and speed of their battery formation and test measurements to ensure safety, performance, and reliability requirements are met.
This is not exactly an easy task to accomplish. For the front end, the power supplies driving the battery charging circuits need to be tightly controlled. Going deeper, battery formation and test requires close monitoring of current and voltage profiles used during power cycling to prevent overcharging and undercharging cells. This ensures safety during testing, while also maximizing battery longevity, which greatly lowers overall cost of ownership for the end user.
The benefits of working closely with ADI’s system-level expertise—along with having a broad portfolio of products—goes beyond having access to more sophisticated components and building blocks. It also gives battery manufacturers access to reference designs for system architectures that can be more easily adopted, making time-to-market three to four times faster than if a battery manufacturer were to develop a formation and test system from scratch.
What’s more, high precision at a system level during battery formation and testing (charging/ discharging a cell) enables power architectures that allow for energy recycling across multiple cells. Thus, manufacturers can create previously unobtainable efficiencies, expand throughput, and ultimately reduce waste/increase cost savings and make battery production more cost-effective.
With ADI taking the lead and steering the challenges of battery formation and testing into safer more efficient ground, manufacturers now have a partner with system-level experience—with an uncompromising commitment to precision—to help them meet the demand for high quality, high performance batteries for the burgeoning EV market.