TPS2104DBVT

Overview

The TPS2104DBVT is a dual-input, single-output power multiplexer IC manufactured by Texas Instruments. It operates within a supply voltage range of 2.7 V to 5.5 V and supports an output current of 500 mA. The device features a maximum on-resistance of 2.4 ohms, with a maximum run time of 340 µs and a maximum idle time of 6 µs. It is designed for surface-mount installation in SOT-23-5 packages and functions reliably across a temperature range of -40°C to +85°C.

Feature Summary

• Dual input selection for flexible power source integration
• Single output distribution for simplified circuit design
• Integrated MOSFET architecture for efficient power switching

Applications

• Portable electronic devices requiring redundant power sources
• Battery-backed systems needing seamless power transitions
• Embedded systems utilizing multiple voltage inputs

Procurement Notes

Verify the specific package variant and manufacturer lot codes against official datasheets before procurement. Confirm that the component meets all required environmental specifications for your intended operating conditions. Ensure compatibility with your system's voltage levels and current demands. Cross-reference part numbers with authorized distributors to avoid counterfeit components. Review the latest revision history for any functional updates or changes.

Selection Notes

Select this component when a compact solution for managing two power inputs is required. Consider the 500 mA output limit and 2.4 ohm resistance for load requirements. Evaluate the SOT-23-5 footprint constraints against your PCB layout. Assess the thermal performance within the specified operating temperature range. Compare alternative power muxes if higher current capacity or lower resistance is necessary.

Part Context

This component belongs to the TPS2104 series of power switch ICs from Texas Instruments. It is part of a family designed for power distribution applications in portable electronics. The series offers various configurations for managing multiple power sources efficiently. It complements other Texas Instruments power management solutions for complete system designs.

Replacement Considerations

Check for direct pin-to-pin replacements within the same series. Verify electrical parameters such as on-resistance and current ratings match your design needs. Ensure package dimensions are compatible with existing footprints. Consult official substitution guides for validated alternatives.