Managing Power in Dual-Supply Voltage Systems
This application note describes the design of a circuit using the Texas Instruments TPS2306 hot swap power manager to sequence the supply voltages, limit inrush current, and provide fault protection to a dual-supply voltage system. The system uses both 3.3-V and 5-V power and is modeled as a resistor in parallel with a bulk filter capacitor at each input power rail. Component values are selected to meet a hypothetical design specification. The performance and specification of the circuit are compared to validate the TPS2306.
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