TPS2140IPWP

Power Management - Specialized Overview

The TPS2140IPWP is a power management IC designed for USB high-power peripheral applications. It integrates an adjustable low-dropout (LDO) regulator and a power switch with dual current limiting capabilities. The device operates within an input voltage range of 2.7 V to 5.5 V, supporting output currents up to 600 mA. Key electrical parameters include a maximum on-resistance of 50 mOhms, a typical enable time of 1 ms, and a maximum sleep time of 8 ms. It functions reliably across a temperature range of -40°C to +85°C and is housed in a 14-pin HTSSOP package.

Power Management - Specialized Feature Summary

• Integrates an adjustable LDO regulator alongside a dedicated power switch for consolidated power distribution.
• Features dual current limiting mechanisms to protect both the source and load during fault conditions.
• Supports hot insertion and removal of USB peripherals through controlled enable and sleep timing.

Power Management - Specialized Applications

• High-power USB peripheral power management
• USB hub power distribution circuits
• Portable electronic device power systems

Power Management - Specialized Procurement Notes

Verify the specific suffix IPWP confirms the 14-lead HTSSOP package and industrial temperature grade (-40°C to +85°C). Ensure compatibility with the target PCB footprint and thermal requirements. Confirm RoHS compliance status as indicated in official documentation before finalizing procurement orders.

Power Management - Specialized Selection Notes

Select this component when a combined solution for adjustable voltage regulation and protected switching is required for USB interfaces. Consider the 600 mA output capability and 50 mOhm on-resistance for efficiency needs. Evaluate the dual current limit feature against system protection requirements compared to single-limit alternatives.

Power Management - Specialized Part Context

This part belongs to the TPS21xx series of USB power switches from Texas Instruments. It serves as a specialized PMIC for managing power delivery to downstream USB devices, distinguishing itself by combining linear regulation with switched output control in a compact form factor suitable for space-constrained portable designs.

Power Management - Specialized Replacement Considerations

The TPS2150IPWP is a related variant within the same family offering similar functionality. Verify pin-to-pin compatibility and ensure the replacement meets the specific current limit and package requirements of the original design.

Power Management - Specialized FAQ

What is the purpose of the dual current limiting feature?

Dual current limiting provides protection for both the upstream power source and the downstream load, preventing damage during short circuits or overcurrent events on either side of the switch.

Can the LDO output voltage be adjusted?

Yes, the integrated LDO regulator allows for adjustable output voltage settings, providing flexibility for different peripheral voltage requirements.