Texas Instruments

TPS5401DGQ

TPS5401DGQ Description

The TPS5401DGQ from Texas Instruments is a high-performance, adjustable buck (step-down) DC-DC switching regulator designed for a wide range of power supply applications. It delivers up to 500mA of output current with an input voltage range of 3.5V to 42V, making it suitable for industrial, automotive, and consumer electronics. The output voltage is adjustable from 0.8V to 39V, providing flexibility for diverse load requirements. Operating at a switching frequency range of 100kHz to 2.5MHz, it balances efficiency and component size, enabling compact designs. Packaged in a 10-pin HVSSOP (Thermal Pad) for enhanced thermal performance, this regulator is RoHS3 compliant and REACH unaffected, ensuring environmental compliance.

TPS5401DGQ Features

• Wide Input Voltage Range (3.5V–42V): Supports high-voltage applications, including automotive and industrial systems.
• Adjustable Output (0.8V–39V): Precision feedback control for versatile voltage regulation.
• High Efficiency (Non-Synchronous Buck): Optimized for low-power dissipation with external diode selection.
• Programmable Switching Frequency (100kHz–2.5MHz): Enables trade-offs between efficiency and board space.
• Robust Protection: Includes undervoltage lockout (UVLO) and thermal shutdown for reliability.
• Compact HVSSOP Package: Improves thermal management in space-constrained designs.
• Low Quiescent Current: Enhances efficiency in battery-powered applications.

TPS5401DGQ Applications

• Industrial Automation: Power supplies for sensors, PLCs, and control systems.
• Automotive Electronics: Infotainment, lighting, and ADAS modules requiring stable voltage conversion.
• Consumer Electronics: Portable devices, set-top boxes, and IoT edge nodes.
• Telecom & Networking: Point-of-load (PoL) regulation for routers and switches.
• Renewable Energy Systems: Solar microinverters and battery management.

Conclusion of TPS5401DGQ

The TPS5401DGQ stands out as a versatile, high-voltage buck regulator with a balance of efficiency, flexibility, and compact design. Its wide input range, adjustable output, and programmable frequency make it ideal for demanding applications in automotive, industrial, and consumer markets. The HVSSOP package ensures reliable thermal performance, while compliance with RoHS3 and REACH underscores its suitability for modern electronics. For engineers seeking a cost-effective, high-performance switching regulator, the TPS5401DGQ delivers a compelling solution.