Texas Instruments TPS22948 Load Switches offer robust protection against fault cases with output current limiting, reverse current blocking, and thermal shutdown.
The switch ON state is managed by a digital input that can interface directly with low-voltage control signals. When power is initially applied, a smart pull-down is employed to keep the ON pin from floating until system sequencing is concluded. Once the pin is intentionally driven high (>VIH), the smart pull-down is disconnected to stop unnecessary power loss.
The load switches are characterised for operation over a temperature range of –40C to +125C and offered in a standard SC-70 package.
Typical applications include personal electronics, set-top boxes, HDMI output ports, Notebook, desktop PCs, and docking stations.