Current Sensor Chips Offer 2.5 µs Response Time For Automotive/Industrial Apps

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current sensor
current sensor

Allegro has unveiled a new family of current sensor chips to provide economical and precise solutions for AC or DC current sensing. A 200 kHz bandwidth makes it ideal for automotive application such as OBC, DC/DC converters and Inverter control as well as for industrial applications such as motor control, load detection and management and power supplies.

The ACS722 and ACS733 current sensor ICs can be used in automotive and industrial applications with an accuracy of +/- 2.1% over the lifetime of the IC. Their 2.5 µs response time enables overcurrent fault detection in safety-critical applications. Also, the chips are provided in a very small form footprint compared to competing solutions.

Both current sensor ICs work off of a single supply 5 V (ACS772) and 3.3 V (ACS773).

According to Allegro, the chips can be used in applications requiring electrical isolation without the use of opto-isolators or other costly isolation techniques.

The ICs are provided in an Allegro custom CB package that the company says provides a very small form footprint over other sensor modules offered by competing solutions. The package is fully calibrated prior to shipment from the factory and is lead (Pb) free. All leads are plated with 100% matte tin, and there is no Pb inside the package. The heavy gauge lead frame is made of oxygen-free copper.

Allegro ACS722 and ACS733 are priced at $3.40 in quantities of 1,000.

Click here for more information.

Read the Press release: https://www.allegromicro.com/en/About-Allegro/News-Room/2018/ACS772-ACS773-Press-Release.aspx

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