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Maxim Unveils Future-Ready Battery Management System for EV and HEV Future

Maxim’s unique BMS technology, including MAX17843, has the industry’s only single-chip solution to achieve ASIL D compliance

Maxim Integrated Products introduces the new MAX17843 12-channel, high-voltage smart sensor data-acquisition device. The New in the line from Maxim Integrated Products – the advanced battery management system help automotive OEMs to enhance the safety of their lithium-ion battery packs with robust communications, comprehensive diagnostics, and lower system costs.


Maxim touts to enable a safer, smarter car of the future with the MAX17843 battery management system (BMS).MAX17843 meets the highest safety standards, adhering to ISO26262 and ASILD requirements (also applicable for ASIL C). Its differential universal asynchronous receiver/transmitter (UART) using capacitive isolation reduces bill of materials (BOM) costs and failure in time (FIT) rates. With this, designers can save up to 90% of their isolation BOM cost. The UART, with ultimate flexibility,enables robust communications in noisy environments. Using Maxim’s unique proprietary daisy-chain architecture and successive-approximation-register (SAR) analog-to-digital converter (ADC), the MAX17843 captures fast, accurate voltage measurements and delivers high EMC performance. It is applicable for a variety of automotive and EV power train applications.

Key Advantages

  • Safety: ISO26262 and ASILD certification, as well asTUV certification in design and management process; meets various BCI requirements; comprehensive diagnostics
  • Low System Cost: Internal cell balancing and UART reduces BOM costs compared to competitive solutions; only IC to allow capacitive or transformer isolation
  • Robust Communications: Reliable distributive and centralizedCMC architecture with UART; Supports 100m daisy-chain segments and high noise immunity; Supports emission, ESD, and hot plug

Citing on the new rollout, Tamer Kira, Director, Automotive Business Unit at Maxim Integrated said,“It goes without saying that there’s no room for compromise when it comes to automotive safety. The MAX17843 gives our customers the functionality necessary for safe and intelligent battery management operation.”

“The BMS market is expected to grow at a CAGR of 43% from 2016 to 2021. This ASIL D-certified battery management system by Maxim proactively detects faults and is extremely important to the safety of vehicles,”said Siddharth Jaiswal, automotive industry analyst at Technavio.

Availability and Pricing

  • The MAX17843 is available at Maxim’s website for $7.61 (1000-up, FOB USA)
  • The MAX17843EVKIT# evaluation kit is available for $1,000
  • Operates over the -40-degree Celsius to +125-degree Celsius temperature range and is available in a 64-pin LQFP package (10mm x 10mm).

Further info: Click here


BiS Team

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