TPS54519RTET

Voltage Regulators - DC DC Switching Regulators Overview

The TPS54519RTET is a synchronous step-down DC/DC converter from Texas Instruments, utilizing the SWIFT topology. It operates with an input voltage range of 2.95 V to 6 V and delivers up to 5 A of output current. The adjustable output voltage spans from 600 mV to 4.5 V. Key electrical parameters include a switching frequency range of 200 kHz to 2 MHz and a quiescent current of 455 µA. The device is housed in a 16-WQFN package with exposed thermal pad and supports junction temperatures from -40°C to +140°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for high efficiency across load ranges
• Adjustable switching frequency allows optimization for size or transient response
• Built-in soft-start minimizes inrush current during startup
• Thermal shutdown and current limit protection ensure operational reliability

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronics requiring efficient power conversion
• Industrial control systems with single-supply architectures
• Embedded computing platforms needing stable low-voltage rails
• Communication equipment power distribution networks

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including the RTET suffix to confirm the WQFN-16 package and reel packaging configuration. Ensure compatibility with the intended PCB footprint and thermal design requirements. Cross-reference the datasheet revision date to confirm component specifications match the production batch. Confirm RoHS compliance status if required by specific regulatory standards.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when an input voltage between 2.95 V and 6 V is available and an output current up to 5 A is required. The adjustable frequency feature is critical for optimizing external component size versus dynamic performance. Consider the 16-WQFN package constraints for thermal dissipation in dense layouts. Evaluate the need for external compensation if operating at frequencies significantly outside standard ranges.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the TPS54519 family of SWIFT technology converters. It shares architectural similarities with other TI buck regulators but is distinct in its specific input voltage window and current handling capabilities. The RTET suffix denotes the specific tape-and-reel packaging format used for automated assembly processes.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The TPS54519RTER is a compatible variant within the same series, differing primarily in packaging form factor (reel vs. cut tape) rather than functional specifications. Verify pinout and thermal pad dimensions remain identical before substitution.