Infineon Releases High-Voltage Battery Management System Design
The new reference design aims to enhance battery efficiency and safety through advanced monitoring and processing capabilities.
Updated on Oct. 30, 2026 in Semiconductors
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Infineon has introduced a high-voltage battery management system (BMS) reference design that integrates comprehensive hardware and software components. The system utilizes advanced microcontrollers to optimize battery performance, charging speed, and thermal safety.
Why it matters
This technology provides engineers with a pre-configured architecture to improve battery efficiency, which is essential for scaling modern high-voltage power systems. By integrating thermal monitoring and predictive modeling, it offers a pathway to more durable and compact energy storage solutions.
The system features an AURIX TC4x microcontroller providing 30 times the processing performance of standard CPUs. It supports high-voltage monitoring up to 1,000 V and allows for hardware cascading of up to 62 boards.
The players
Infineon
Infineon is a global semiconductor manufacturer specializing in power systems and automotive electronics.
The details
The design includes a battery management unit, pack monitoring unit, cell monitoring unit, and a specialized software package to manage complex battery models. It utilizes XENSIV sensors for thermal-runaway detection and a 19-wire configuration to simplify cell-level wiring.
Timeline
Infineon released the new high-voltage BMS reference design on October 30, 2026.
The Tech Race
The transition to high-performance microcontrollers like the AURIX TC4x is replacing traditional, less-integrated processing units in electric power systems. This move intensifies the competition to create compact, software-defined battery management platforms that prioritize thermal safety and rapid charging.
Future battery systems using this reference design could feature 20% faster charging times and longer overall battery lifespans for the consumer. These improvements rely on more accurate thermal monitoring and model-based control integrated directly into the power management architecture.
The takeaway
Advancements in battery management architecture are increasingly reliant on high-performance parallel processing to optimize power flow. Adopting these integrated reference designs allows manufacturers to reduce complexity while significantly increasing system safety and energy density.
Further reading
For more on industry developments, visit the Semiconductors section.
Source note: This article includes information reported by CHARGED Electric Vehicles Magazine.
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