TPS2540RTET

Power Distribution Switches, Load Drivers Overview

The TPS2540RTET is a USB power switch IC from Texas Instruments, housed in a 16-WQFN (3x3 mm) package. It operates within a supply voltage range of 4.5 V to 5.5 V and supports a maximum output current of 2.5 A. The device features an N-channel configuration with a typical on-resistance of 73 mOhms and a maximum of 120 mOhms. It includes integrated fault protection mechanisms such as adjustable current limiting, over-temperature shutdown, and under-voltage lockout. The component functions as a high-side switch with non-inverted input control and provides a status flag output.

Power Distribution Switches, Load Drivers Feature Summary

• Integrates both power and data switching capabilities to reduce board space and system cost.
• Supports global USB charging standards including Battery Charging 1.2 and regional regulatory requirements.
• Enables portable device charging even when the host system is in standby mode.
• Includes comprehensive fault protection with adjustable current limiting and thermal shutdown.

Power Distribution Switches, Load Drivers Applications

• Portable devices requiring universal USB charging port solutions
• Host systems needing standby-mode charging support
• Applications complying with specific regional USB charging regulations

Power Distribution Switches, Load Drivers Procurement Notes

Verify the exact suffix RTET against the manufacturer datasheet to confirm reel packaging specifications. Ensure compatibility with the required 16-WQFN footprint and bare pad thermal design. Confirm RoHS3 compliance and moisture sensitivity level 2 handling requirements during assembly. Cross-reference the specific revision level for any pin-to-pin or feature variations.

Power Distribution Switches, Load Drivers Selection Notes

Select this component for designs requiring integrated power and data switching in a compact form factor. It is suitable for applications supporting multiple USB charging protocols without external controllers. Consider the 73 mOhm typical on-resistance for efficiency calculations. Ensure the host interface matches the non-inverted input requirement and that the 2.5 A current rating meets load demands.

Power Distribution Switches, Load Drivers Part Context

This part belongs to the TPS2540 series of USB charging port controllers. It is designed to simplify USB port implementation by combining power delivery and data line management into a single IC. The series targets OEMs seeking to comply with diverse global charging standards while minimizing component count and PCB area in consumer electronics.

Power Distribution Switches, Load Drivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult the official TPS2540 datasheet for recommended alternatives or family members with compatible electrical characteristics and pin configurations.

Power Distribution Switches, Load Drivers FAQ

Does the TPS2540RTET support charging when the host is in standby?

Yes, it is designed to allow portable devices to charge via the USB port even when the host system is in standby mode.

What fault protections are included in the TPS2540RTET?

The device includes adjustable current limiting, over-temperature shutdown, and under-voltage lockout (UVLO).