Differential Current Sensing Inside H Bridge


Posted on Feb 5, 2014

A differential current sensing that is inserted inside a H bridge circuit. is shown in the schematic diagram below. This circuit is one example of AD8205 application. The AD8205 measures current in both directions as the motor changes direction and H-bridge switches. This circuit has high accuracy in current measurement because AD8205 is placed in


Differential Current Sensing Inside H Bridge
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the middle of the H-bridge. Compared with a ground referenced op amp, this circuit is better, because ground is unstable reference voltage, so ground referenced op amp is inaccurate. [Circuit`s schematic diagram source: Analog Devices Application Note] We aim to transmit more information by carrying articles. Please send us an E-mail to wanghuali@hqew. net within 15 days if we are involved in the problems of article content, copyright or other problems. We will delete it soon.




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