SM91501ALO-E

The Bourns SM91501ALO-E is a high-performance dual-channel BMS (Battery Management System) signal transformer designed for isolated communication and noise suppression in high-voltage battery systems. Featuring integrated common mode chokes, a 1:1 turns ratio and 4.3kV isolation voltage, this surface-mount transformer provides reliable signal transmission and excellent EMI performance. Designed for use with battery management platforms from Analog Devices, NXP and Texas Instruments, the SM91501ALO-E is AEC-Q200 qualified and supports operation across a wide temperature range from -40°C to +125°C, making it ideal for automotive, energy storage and industrial battery applications.

• Designed for Battery Management System (BMS) communication and signal isolation applications
• Dual-channel transformer with integrated common mode chokes for effective noise rejection
• 1:1 turns ratio ensures accurate signal coupling and transmission
• High isolation rating of 4.3kV DC (4300VDC) for enhanced electrical safety and protection
• Working voltage of up to 1600V DC for high-voltage battery systems
• Supports serial daisy-chain and IsoSPI communication architectures
• Designed for use with Analog Devices LTC6804/LTC681x, NXP MC33771/MC33772 and Texas Instruments BQ79616 battery monitoring devices. [bourns.com]
• AEC-Q200 qualified for demanding automotive and industrial applications
• Operating temperature range from -40°C to +125°C
• Surface-mount package for automated PCB assembly and compact system designs