Texas Instruments

TPS51315RGFR  

DC Switching Voltage Regulators

TPS51315RGFR Description

The TPS51315RGFR from Texas Instruments is a high-efficiency, synchronous buck converter designed for demanding power management applications. This 10A adjustable output regulator operates over a wide 3V to 14V input range, making it suitable for systems powered by batteries, industrial supplies, or intermediate bus voltages. With an output voltage range of 0.75V to 5.5V, it supports low-voltage processors, FPGAs, and ASICs. The device features a switching frequency range of 100kHz to 1MHz, allowing flexibility in balancing efficiency and component size. Packaged in a 40VQFN (RGF) tape-and-reel format, it is optimized for surface-mount assembly and complies with ROHS3 and REACH environmental standards.

TPS51315RGFR Features

• High Efficiency: Synchronous rectification minimizes power loss, enhancing thermal performance.
• Wide Input Range: Supports 3V–14V inputs, ideal for multi-source power systems.
• Adjustable Output: Precision-adjustable from 0.75V to 5.5V via external resistors.
• High Current Delivery: Stable 10A output current with low ripple, critical for high-performance loads.
• Flexible Switching Frequency: Programmable from 100kHz to 1MHz for efficiency/EMI trade-offs.
• Compact Design: 40VQFN package (4mm × 4mm) saves board space in dense layouts.
• Robust Protections: Includes overcurrent, overtemperature, and undervoltage lockout (UVLO).

TPS51315RGFR Applications

• Point-of-Load (POL) Regulation: Powers CPUs, GPUs, and memory in servers/networking equipment.
• Industrial Systems: Suitable for PLCs, motor drives, and automation controllers requiring stable low-voltage rails.
• Portable Electronics: Efficiently steps down battery voltages in tablets, handheld devices, and IoT nodes.
• Telecom Infrastructure: Provides high-current rails for FPGAs and ASICs in base stations/switches.
• Automotive Subsystems: Supports infotainment and ADAS modules (non-safety-critical).

Conclusion of TPS51315RGFR

The TPS51315RGFR stands out for its high current capability, wide input range, and compact footprint, making it a versatile choice for modern power designs. Its synchronous topology and adjustable frequency optimize efficiency across loads, while industrial-grade reliability ensures longevity in harsh environments. Engineers will appreciate its balance of performance and integration, particularly in space-constrained or high-density applications. For systems demanding 10A+ with precision regulation, this IC is a compelling solution.

TPS51315RGFR Documents

Download datasheets and manufacturer documentation for TPS51315RGFR

Datasheets :

TPS51315      

Design Resources :

TPS51315 Design with WEBENCH® Power Designer      

HTML Datasheet :

TPS51315