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Advanced Linear Devices, Inc. (ALD) announced a family of Supercapacitor Auto Balancing (SAB™) Metal Oxide Semiconductor Field Effect Transistors (MOSFET) designed for industrial applications to regulate and balance leakage currents while minimizing energy used for balancing supercapacitor cells stacked in series stack of two or more.

The devices are ideal for a number of industrial-grade energy storage applications that require an operating temperature range between -40 to 85 degrees Celsius. The devices are ideally suited for a range of applications such as remote monitoring applications, automotive systems, backup power, transportation, automation, or any application that operates in exposure to the elements and needs to endure extreme climate conditions.

In outdoor industrial energy storage, leakage current of supercapacitors used in a stack is balanced by connecting one or more SAB MOSFETs across each cell. Leakage current balancing is critical to prevent damage to cells from over voltage that can dramatically shorten supercapacitor operating life.

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