TPS543A22RYSR

Voltage Regulators - DC DC Switching Regulators Overview

The TPS543A22RYSR is a high-performance synchronous buck converter from Texas Instruments, designed for applications requiring robust power management. It operates with an input voltage range of 4 V to 18 V and delivers a continuous output current of 12 A. The device utilizes advanced current mode control and features integrated high-side and low-side MOSFETs with on-resistances of 6.5 mΩ and 2 mΩ, respectively. It is housed in a 17-pin WQFN package and supports operation temperatures from -40°C to +150°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Employs fixed-frequency, internally compensated advanced current mode control for stable regulation.
• Integrates high-efficiency power stages with low on-resistance MOSFETs to minimize conduction losses.
• Utilizes SWIFT topology to reduce external component count and simplify layout requirements.

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial automation systems
• Point-of-load (POL) conversion modules
• Telecommunications infrastructure equipment

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including the RYSR suffix to ensure correct packaging and tape-and-reel specifications. Confirm that the design environment supports the specified thermal performance and input voltage ranges. Ensure compliance with RoHS directives as indicated in official documentation before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits requiring high current density within a compact footprint. The integrated MOSFETs and internal compensation simplify the design process compared to discrete solutions. Consider the thermal characteristics of the WQFN package and ensure adequate PCB copper area for heat dissipation during high-load operations.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the TPS543A series of SWIFT step-down converters. It shares architectural similarities with other members of the family but is distinguished by its specific 12-A current rating and 18-V maximum input capability. The series is characterized by high efficiency and simplified design implementation through integrated power stages.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official substitution guides for compatible alternatives within the TPS543A or TPS543B series. Verify pin compatibility and electrical parameter alignment before replacing existing components in established designs.