Battery sensor interface

  • Image: PA_AS8510 Battery Management_CMYK.jpg
Image: PA_AS8510 Battery Management_RGB.jpg

The AS8510 from austriamicrosystems is a multichannel data-acquisition front-end IC that features zero offset for simultaneous voltage, current, and temperature measurement of batteries in conventional, hybrid, or electric vehicles and for general sensor interface applications where precise measurement of small signals close to the ground is required. The device features two independent analog input channels with 16-bit analog-to-digital converters, each with individually programmable sampling rates. Each channel has a low-drift programmable gain amplifier for handling ±160 mV signals or 0 to 1 V when bypassing a programmable gain amplifier, thus battery currents from the mA range to the kA range can be measured from 100 µohm shunt. Highly configurable, the AS8510 allows systems tailored to individual needs, making it suitable for a wide range of current and future battery-management applications.

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