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TI demonstraed new Battery Management System at CES


Monday, January 9, 2023

TI will demo an automotive battery cell and pack monitors at CES.

The BQ79718-Q1 battery cell monitor and BQ79731-Q1 battery pack monitor are part of TI’s BMS (battery management system) offering

The BQ79718-Q1 allows automakers to maximize the true range of their EV with high-performance battery cell voltage measurements down to 1 mV of accuracy, and the BQ79731-Q1 allows measurement of the battery pack current down to 0.05% of accuracy.

These innovations will measure the state of charge and state of health at the individual cell and pack level, reflecting the true remaining mileage.

Voltage and current synchronization (64 µs) enables instantaneous monitoring of battery pack power, providing a real-time snapshot of battery health.

This level of synchronization enables electrochemical impedance spectroscopy, which provides vital insight into the cell core temperature, battery aging and state of charge of the battery.

The BQ79718-Q1 battery cell monitoring integrated circuit achieves a Automotive Safety Integrity Level (ASIL) accuracy (main path, redundant path and residual error seeking) giving automakers the ability to charge and discharge a vehicle battery pack beyond any cell monitor previously on the market.

Automakers can jump-start their designs by purchasing the battery cell monitor BQ79718-Q1 evaluation module (BQ79718EVM-049), which is available on TI.com for US$399.

The 18-channel BQ79718-Q1 comes in a 10-mm-by-10-mm, 64-pin thermally enhanced thin quad flat package (HTQFP), and is priced at US$8.39 in 1,000-unit quantities.?

Also available is the battery pack monitor BQ79731-Q1 evaluation module (BQ79731Q1EVM-060), which is available on TI.com for US$199.

The battery pack monitor BQ79731-Q1 comes in a 7-mm-by-7-mm, 48-pin thermally enhanced thin quad flat package (HTQFP), and is priced at US$8.39 in 1,000-unit quantities.

All products featured for HV BMS are immediately available for purchase on TI.com.

By: DocMemory
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