Battery management system supports ASIL-C safety spec

October 12, 2018 //By Nick Flaherty
Battery management system supports ASIL-C safety spec
Newtec in Germany has developed a Battery Management reference design with Functional Safety Features up to the ASIL C specification.

The NewTec NTBMS is an e-mobility reference design and complete safety support package for Battery Management Systems. It uses a functional safety System-on-Module (Safety SoM) board combined with a Battery Management System (BMS) application board.

The Safety SoM is based on NXP's S32K144 and KEA microcontrollers and the FS4503C safety power system. The BMS application board is based on NXP’s MC33772B battery cell controller IC. Support package includes necessary safety documentation and software for certification purposes. It is intended for device manufacturers with Lithium-ion batteries and suppliers of automotive or industrial applications with a high degree of reliability and safety in accordance with ISO 26262 targeting safety level up to ASIL C, or IEC61508 SIL2.

Typical use cases would be an automotive Battery Management System for 14V auxiliary battery and monitoring of starter batteries, and is extendable to 48V battery systems. It can salso be used for stationary energy storage systems in a smart grid.

In addition, the Safety SoM can be used as a generic safety computer board addressing a wide area of applications such as motor control, Valve Control systems, safety PLC or Motorcycle ABS.

www.newtec.de


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