The RS299 are high-side, current-sense amplifiers with an input voltage range that extends from 4.5V to 76V making them ideal for telecom, backplane, and other systems where high-voltage current monitoring is critical. The RS299 allows bidirectional current sensing. The RS299 single output pin continuously monitors the transition from charge to discharge and avoids the need for a separate polarity output. The RS299 requires an external reference to set the zerocurrent output level (VSENSE=0V). The charging current is represented by an output voltage from VREF to VCC, while discharge current is given from VREF to GND.
