TPS54550PWPR

Voltage Regulators - DC DC Switching Regulators Overview

The TPS54550PWPR is a synchronous step-down DC/DC converter from Texas Instruments, utilizing the SWIFT topology. It operates with an input voltage range of 4.5 V to 20 V and delivers up to 6 A of output current. The device features an adjustable output voltage and integrates a fixed 500 kHz switching frequency. Key electrical parameters include a maximum static current of 1.1 mA and a typical operating supply current of 9 mA. It supports an extended junction temperature range from -40°C to +150°C and is housed in a 16-pin HTSSOP package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side power switches within a single synchronous buck regulator architecture for improved efficiency.
• Utilizes SWIFT topology to minimize external component count and reduce overall solution footprint.
• Includes comprehensive protection mechanisms such as overcurrent protection and thermal shutdown.

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for industrial equipment
• Power supply stages for embedded computing systems
• Distribution power conversion in telecommunications infrastructure

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'PWPR' corresponds to the 16-HTSSOP package and reel packaging configuration. Confirm RoHS compliance status and moisture sensitivity level requirements prior to integration. Ensure the ordering part number matches the exact pinout and thermal characteristics defined in the official datasheet to avoid compatibility issues during assembly.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 6 A output capability is required within a 4.5 V to 20 V input window. The fixed 500 kHz frequency allows for smaller passive components compared to lower-frequency alternatives. Consider the 16-pin HTSSOP package constraints for thermal management and PCB layout space. Evaluate the need for adjustable output voltage flexibility against fixed-voltage variants if applicable.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the TPS54550 family of SWIFT converters, designed for medium-current applications. It shares architectural similarities with other members like the TPS54350 but offers higher current capacity. The series emphasizes compact design and ease of implementation through integrated power stages and minimal external requirements.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The TPS54550MPWPREP is identified as a discontinued variant within the same product line. Verify functional equivalence and pin compatibility before substitution. Check for any updates in thermal performance or manufacturing specifications associated with newer revisions.