New battery management system technology from Texas Instruments can help maximize range and charging performance.
Texas Instruments was at CES 2023 this week, where it introduced its latest battery cell and battery pack management tools. The company says its new battery management system products couldof an electric vehicle by as much as 20%. How can BMS technology do that? Read on.
“Automakers aim to get the most range possible out of their EVs, and accurate state of charge estimations are vital to achieve this,” said Sam Wong, general manager for BMS at TI. “Our new devices bring substantially higher precision to voltage and current measurement, giving automakers confidence to accurately measure an EV’s true range.”As electric vehicles become more popular, the challenge for automakers is to reflect true range while making the vehicle more affordable.
The BQ79718-Q1 battery cell monitoring integrated circuit achieves an unprecedented Automotive Safety Integrity Level accuracy, giving automakers the ability to charge and discharge a vehicle battery pack beyond any cell monitor previously on the market.Figure 1 presents a typical BMS architecture containing a battery management unit , a cell supervisor unit , and a battery junction box . A BMU typically has a microcontroller , which manages all of the functions within the battery pack.
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