Texas Instruments

TPS55340QRTETQ1

TPS55340QRTETQ1 Description

The TPS55340QRTETQ1 is a high-performance, automotive-grade DC-DC boost converter from Texas Instruments, designed for demanding power management applications. This adjustable output regulator supports an input voltage range of 2.9V to 38V and delivers a maximum output voltage of 38V with a switch current capability of 5.25A. Its 94kHz to 2.55MHz switching frequency allows for flexible design optimization between efficiency and component size. Packaged in a compact 16-pin WQFN (3.5mm x 3.5mm) surface-mount form factor, it is ideal for space-constrained automotive and industrial systems.

TPS55340QRTETQ1 Features

• Wide Input/Output Range: Operates from 2.9V to 38V, making it suitable for battery-powered and high-voltage applications.
• High Efficiency: Non-synchronous topology with isolation capability, reducing power losses in boost configurations.
• Automotive Qualified: AEC-Q100 compliant, ensuring reliability in harsh environments.
• Adjustable Switching Frequency (94kHz–2.55MHz): Enables optimization for EMI performance or efficiency.
• Compact & Robust: MSL-2 rated with RoHS3/REACH compliance, suitable for automated assembly.
• Protection Features: Includes undervoltage lockout (UVLO) and thermal shutdown for enhanced system safety.

TPS55340QRTETQ1 Applications

• Automotive Systems: Power delivery for infotainment, ADAS, and LED lighting due to its AEC-Q1 qualification.
• Industrial Power Supplies: Boost converters for PLCs, sensors, and motor drives requiring wide input ranges.
• Portable Devices: Battery-powered equipment needing high-efficiency step-up conversion.
• Telecom & Networking: Isolated power solutions for PoE and communication modules.

Conclusion of TPS55340QRTETQ1

The TPS55340QRTETQ1 stands out as a versatile, high-reliability boost converter, combining wide voltage range, automotive-grade robustness, and compact design. Its adjustable switching frequency and isolation capability make it superior to fixed-frequency or non-isolated alternatives, particularly in automotive and industrial applications. Engineers seeking a balance of performance, size, and compliance will find this IC an optimal choice for next-generation power systems.