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ST's current-sense amplifier IC offers low-cost sol'n

Posted: 01 Jun 2011     Print Version  Bookmark and Share

Keywords:current sense  amplifier  measurement IC 

STMicroelectronics unleashes the TSC1021, a high-side current-sense amplifier IC targeted at lower-cost precision control of functions such as battery monitoring, power management and motor control.

The TSC1021 provides a common-mode operating range of 2.8-30V and the device can withstand an outstanding range of -32V to 60V on its input pins without damage, enabling the device to target a variety of applications at a far more competitive price for equipment such as automotive actuators and battery-powered products.

Other features of the TSC1021 include: 1) Output voltage drift 100ppm/°C maximum on the full temperature range; 2) Input offset drift 8µV/°C maximum on the full temperature range; 3) Overall current consumption below 300µA; 4) Operating temperature range: -40°C to 125°C; and 5) AEC-Q100 automotive qualification.

In addition to its more focused common-mode voltage range, the TSC1021 benefits from high temperature stability, as well as high immunity to electromagnetic interference (EMI) thanks to its built-in filtering. These features will safeguard performance in industrial and automotive environments, and permit use in equipment such as accurate positioning mechanisms and safety systems including use in automotive such as window control, electric doors and seats, cooling fan and fuel pump applications.

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