TPS5124DBT

DC DC Switching Controllers Overview

The TPS5124DBT is a dual-channel synchronous step-down PWM controller manufactured by Texas Instruments. It operates with a fixed switching frequency of 500 kHz and supports output voltages ranging from 900 mV to 12 V. The device delivers up to 20 A per channel and functions within an input voltage range of 6.5 V to 15 V. It utilizes voltage-mode control and features a TSSOP-30 package. The operational temperature range spans from -40 °C to +85 °C, with a typical supply current of 1.1 mA.

DC DC Switching Controllers Feature Summary

• Dual-channel architecture for independent power rail generation
• Synchronous rectification for enhanced efficiency
• Fixed 500 kHz switching frequency
• Voltage-mode control topology

DC DC Switching Controllers Applications

• Embedded computing systems
• Low voltage power rails in server infrastructure
• Industrial equipment power distribution
• Telecommunications base stations

DC DC Switching Controllers Procurement Notes

Verify the specific suffix against official documentation to confirm package type and tape/reel specifications. Ensure compatibility with moisture sensitivity levels and reflow soldering profiles defined in the datasheet. Confirm RoHS compliance status through manufacturer declarations. Validate that the ordering part number matches the required pin configuration and thermal characteristics for the target PCB layout.

DC DC Switching Controllers Selection Notes

Select this component when designing dual-output buck converters requiring high current density. The fixed 500 kHz frequency allows for compact passive component selection. Verify that the input voltage range covers the system's minimum and maximum supply conditions. Ensure the thermal performance of the TSSOP-30 package meets the heat dissipation requirements for the intended load currents.

DC DC Switching Controllers Part Context

This device belongs to the TPS5124 series of dual synchronous step-down controllers. It is designed for applications requiring two isolated or non-isolated low-voltage outputs. The series targets embedded computing and industrial markets where space efficiency and power density are critical design constraints.

DC DC Switching Controllers Replacement Considerations

Check for TPS5124 variants with different suffixes indicating alternative packaging or reel options. Verify functional compatibility with other dual-channel controllers if pin-to-pin substitution is required.