Характеристики
IR2172SPBF, Токовый сенсор 600В 260мВ ШИМ+ава SOIC8N Current Sensing Amplifiers, International Rectifier
Current Sensing Amplifiers Cam & Groove Couplings — Polypropylene
Current Sensing Amplifiers have a voltage output that is proportional to the volt drop across a very low value resistor, usually in a high-current power rail. Hence they measure the current flowing in that power rail.