TPS2048ADR

Power Distribution Switches, Load Drivers Overview

The TPS2048ADR is a quad high-side power switch IC from Texas Instruments, designed for USB power distribution applications. It operates within a voltage range of 2.7 V to 5.5 V and features four independent outputs. The device provides a continuous output current of 250 mA per channel with a fixed current limit of 500 mA. Key electrical specifications include a maximum on-resistance of 100 mOhms, a maximum turn-on time of 20 ms, and a maximum turn-off time of 40 ms. It is housed in a 16-SOIC surface-mount package and supports an operating temperature range from 0°C to +85°C.

Power Distribution Switches, Load Drivers Feature Summary

• Integrates four independent high-side N-channel MOSFET switches for efficient power distribution.
• Includes built-in fault protection mechanisms such as constant-current limiting, over-temperature shutdown, and under-voltage lockout.
• Features active-low enable logic for straightforward control interface compatibility.

Power Distribution Switches, Load Drivers Applications

• USB hub power switching and distribution
• Peripheral port power management
• Hot-swappable connector power control

Power Distribution Switches, Load Drivers Procurement Notes

Verify the specific ordering suffix to ensure the correct tape-and-reel packaging configuration required for automated assembly processes. Confirm that the component meets RoHS3 compliance standards and check the moisture sensitivity level classification prior to storage and handling. Ensure the selected variant matches the required SOIC-16 footprint and thermal characteristics for the target application environment.

Power Distribution Switches, Load Drivers Selection Notes

Select this component when a compact solution for distributing power to multiple USB ports is required. The quad configuration offers space efficiency compared to discrete solutions. Consider the 250 mA continuous current rating against load requirements and evaluate the thermal performance within the SOIC-16 package constraints for the intended operating temperature range.

Power Distribution Switches, Load Drivers Part Context

This part belongs to the TPS204xA series of USB power switches, which are engineered for portable electronics and peripheral connectivity. The series provides integrated protection and control features to simplify system design. The TPS2048ADR specifically addresses the need for multi-port power management in devices requiring reliable and protected power delivery to connected peripherals.

Power Distribution Switches, Load Drivers Replacement Considerations

Public confirmed substitute part numbers include TPS2048ADRG4.

Power Distribution Switches, Load Drivers FAQ

What is the typical on-resistance value for the TPS2048ADR?

The datasheet specifies a typical on-resistance of 80 mOhms.

How does the enable logic function for this device?

The device utilizes active-low enable logic, meaning the switches are turned on when the enable pin is pulled low.