TPS53667RTAT

DC DC Switching Controllers Overview

The TPS53667RTAT is a six-phase D-CAP+ step-down driverless buck controller designed for high-current applications. It features an integrated non-volatile memory and PMBus interface for active voltage scaling. The device supports an input voltage range of 4.5 V to 17 V and delivers up to 420 A output current. Output voltage is adjustable from 500 mV to 2.5 V with a switching frequency between 300 kHz and 1 MHz. It operates within a temperature range of -40°C to +125°C in a 40-WQFN package.

DC DC Switching Controllers Feature Summary

• Implements D-CAP+ control topology for multiphase step-down regulation without external drivers
• Integrates non-volatile memory for configuration retention and PMBus interface for system management
• Supports active voltage scaling (AVS) for dynamic power optimization

DC DC Switching Controllers Applications

• Microprocessor core voltage regulation
• Graphics processing unit power delivery
• High-performance server and storage systems

DC DC Switching Controllers Procurement Notes

Verify the complete part number including suffixes against official Texas Instruments documentation to ensure correct packaging and temperature grade. Confirm that the specific revision matches the intended design requirements. Cross-reference the datasheet version with the ordering information to avoid discrepancies in electrical characteristics or pinout definitions during procurement.

DC DC Switching Controllers Selection Notes

Select this component for designs requiring high current density and precise voltage regulation via digital interfaces. Ensure the application utilizes compatible external MOSFETs suitable for the specified current and frequency ranges. Verify that the PCB layout supports the WQFN-40 package thermal requirements and that the PMBus communication lines meet signal integrity standards for reliable controller interaction.

DC DC Switching Controllers Part Context

This device belongs to the TPS53667 series of multiphase controllers from Texas Instruments. It is engineered specifically for powering advanced processors and chipsets that demand efficient, scalable power solutions. The series emphasizes compact design by eliminating the need for separate gate drivers, integrating all necessary control logic into a single small-footprint package.

DC DC Switching Controllers Replacement Considerations

Consult the official product selection guide for direct functional equivalents within the same family. Verify compatibility regarding pinout, control algorithm, and electrical specifications before substituting.