Diodes introduces bidirectional current display with highly stable zero drift architecture

     Diodes announced the launch of a series of bidirectional current displays with a highly stable zero drift architecture. These devices can accurately measure extremely low sensing voltages over a wide range of common mode voltages. The main product application projects include notebook computers, battery chargers, industrial servo devices, servers, power racks and robot systems in server farms.

     There are six types of ZXCT199 series current display devices to choose from, each of which has a precision chopping stable operational amplifier with high-precision operation. Its low compensation voltage makes the current sense the maximum voltage drop on the shunt, which is as low as 10mV full scale. In this way, a low value shunt resistor assembly with parity can be used to measure high currents.

     ZXCT199 series is a voltage output device with three fixed voltage gain options of 50V/V, 100V/V and 200V/V. These devices can measure the voltage on the shunt with common mode voltage between - 0.1V and 26V, independent of the power supply voltage.

     The new current sensor introduced by Diodes has an operating temperature range of - 40 ° C to 125 ° C, which shows the minimum gain error. The maximum gain error of A and B with temperature change is ± 1.0%, while that of C is ± 0.8%. The maximum compensation voltage level of A is ± 150 μ 5. ± 100 for B μ 5. The most accurate model C is ultra-low ± 80 μ V。 All models can be powered by 2.7V to 26V power supply, and can be applied more flexibly. The maximum power current consumed is only 100 μ A。