Bourns SM91501ALO series AEC-Q200 compliant BMS signal transformer

Bourns is introducing an additional BMS signal transformer, model SM91501ALO. This dual-channel isolation transformer module includes common mode chokes for noise rejection in BMS applications. The model SM91501ALO was developed for use with Analog Device’s LTC6804-1/681X, NXP’s MC33771/ 33772 and Texas Instruments’ BQ79616 and is UL recognized and AEC-Q200 compliant.

This BMS transformer offers a 1600VDC working voltage and a 4300VDC Hi-PoT isolation voltage with an extended operating temperature range of -40°C to +125°C.

Features

• 1600VDC working voltage and 430VDC Hi-Pot isolatiovoltage
• Supports serial daisy chain/IsoSPI communication
• UL recognized per UL 62368-1,File No. E515965
• Withstanding impulse voltage up to 8kV, 1.2/50µs
• Expanded temperature range: -40°C to +125°C
• RoHS compliant* and halogen free**
• AEC-Q200 compliant
• Automotive grade

Applications

• Battery management systems
• Energy storage systems

_{* RoHS Directive 2015/863, Mar 31, 2015 and Annex.
** Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less;
(b) the Chlorine (Cl) content is 900 ppm or less; and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less.}