TPS543C20RVFT

Voltage Regulators - DC DC Switching Regulators Overview

The TPS543C20RVFT is a synchronous step-down DC-DC converter from the Texas Instruments SWIFT family. It operates with an input voltage range of 4.5 V to 18 V and delivers up to 20 A of output current. The device features adjustable output voltages between 350 mV and 5.5 V, utilizing a programmable switching frequency from 200 kHz to 1 MHz. It incorporates PMBus digital interface for monitoring and control, housed in a 40-pin LQFN package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a PMBus digital interface for advanced system monitoring and configuration
• Utilizes SWIFT topology to minimize external component count and board space
• Supports high-efficiency synchronous rectification for demanding load applications

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for industrial equipment
• Power distribution networks for embedded systems
• Telecommunications infrastructure power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix RVFT against the manufacturer datasheet to confirm the exact package type and tape-and-reel specifications. Ensure compatibility with PMBus communication protocols required by the host controller. Confirm thermal management requirements align with the intended operating environment and load conditions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when high current delivery combined with digital control is necessary. The wide input voltage range suits systems powered by standard bus voltages. Evaluate the trade-off between switching frequency and passive component size based on efficiency targets and thermal constraints within the application enclosure.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the TPS543C series, designed for high-current applications requiring precise regulation. It complements lower-current variants by offering enhanced power handling capabilities while maintaining the compact footprint characteristic of the SWIFT technology line from Texas Instruments.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official substitution guides for pin-compatible alternatives within the same series. Verify that any substitute supports the required 20 A output and PMBus functionality before integration.