Almost every wall power supply has no indicator showing whether current is consumed by the load or not. Figure 1 Wall power supply indicator solution showing whether or not a current is being consumed ...
A single-supply, 2.7- ~ 5.5-V, SOT25/SOT26 device from Diodes Inc. features an input common-mode range of up to 26 V. Devices are available to sense unidirectional and bidirectional current. The ...