TI held a roundtable on battery management systems for EVs, focusing on how wireless BMS solutions can reduce design complexity and extend driving range as well as a discussion on the advantages – including accuracy, network availability, and safety – of its new offering. The BQ79616-Q1 family is ASIL-D compliant, providing communication, temperature, and voltage measurement functionality. The CC2662R-Q1 is an AEC-Q100 compliant, Arm Cortex-M4 wireless MCU optimized for low power, extended temperature range (-40☌ to 105☌ ambient operating temperature range), and enhanced security. TI joins other suppliers including Analog Devices Inc., which introduced its first wireless BMS in the third quarter of 2020.Īimed at reducing the complexity of EV designs by eliminating cables, connectors, and other passive components, which reduce vehicle weight to extend driving range, at the heart of the wireless BMS offering is the SimpleLink 2.4-GHz CC2662R-Q1 wireless microcontroller (MCU), the BQ79616-Q1 battery monitor and balancer, and TI’s proprietary wireless protocol. Two of the key reasons is the reduction in design complexity and cost compared to using traditional wiring harnesses. Industry players believe that wireless battery management systems is a growing trend in the EV market. The assessment is available on request from TI.
#AUTOMOTIVE WIRELESS BATTERY MONITOR ISO#
The safety organization evaluated the quantitative and qualitative error-detection performance of TI’s wireless BMS functional safety concept as well as the feasibility for automakers to achieve ISO 26262 ASIL-D.
TI said the wireless BMS is the first independently assessed functional safety concept through TÜV SÜD.
Targeting the challenges associated with wiring and safety concerns for electric vehicles (EVs), Texas Instruments (TI) has released a wireless battery management system (BMS) solution that enables ASIL-D systems with a wireless protocol, while simplifying the wiring system, reducing design complexity, and extending driving range.
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