TPS51631ARSMR

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TPS51631ARSMR

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IC REG CTRLR VR12.5 1OUT 32VQFN

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Specifications

Attribute Value
Series D-CAP+™
Part Status Active
Applications Controller, Intel VR12.5
Voltage - Input 4.5V ~ 28V
Number of Outputs 1
Voltage - Output 0.5V ~ 2.3V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 32-VFQFN Exposed Pad
Supplier Device Package 32-VQFN (4x4)
Base Product Number TPS51631

Overview

Description

The TPS51631ARSMR is a high-performance, multi-phase buck controller designed for power management in processors and FPGAs. It features a digital PWM control scheme, allowing for precise voltage regulation and improved efficiency. The device supports a wide input voltage range, typically from 4.5V to 17V, and can manage output currents of up to 30A.
The TPS51631 includes advanced features such as adaptive voltage positioning, allowing for minimal output voltage variation under load conditions. It also supports power sequencing, fault protection, and is compatible with both external and integrated MOSFETs. The controller employs a current sense architecture to enhance performance and reliability.
With a small QFN package, the TPS51631 is suitable for applications requiring compact solutions, including servers, desktops, and high-performance computing systems. Its programmable features and robust design make it a versatile choice for modern power supply designs.

Equivalent

The TPS51631ARSMR is a voltage regulator controller primarily used in power management applications. Equivalent products include the TPS51630, TPS51632, and TPS54620. Other alternatives may include the LM2733 and LTC3863, depending on specific requirements like output voltage, current ratings, and features. Always check datasheets for compatibility in your specific application.

Features

The TPS51631ARSMR is a high-performance, multi-phase step-down DC-DC controller designed for power management applications. Key features include:
- Multi-Phase Operation: Supports up to 6 phases for improved efficiency and lower output ripple.
- Adaptive Voltage Positioning: Enhances transient performance by reducing voltage droop during load transients.
- Integrated Switch Drivers: Reduces external component count and simplifies design.
- Wide Input Voltage Range: Operates from 4.5V to 17V, suitable for various applications.
- Programmable Switching Frequency: Adjustable frequency from 200 kHz to 1 MHz to optimize efficiency and performance.
- Power Good Indicator: Provides feedback for system monitoring.
- Temperature and Voltage Protection: Includes features like overcurrent protection and thermal shutdown for reliability.
- Low Quiescent Current: Enhances efficiency during light load conditions.
These features make the TPS51631ARSMR ideal for high-performance computing, telecommunications, and other applications requiring efficient power regulation.

Pinout

The TPS51631ARSMR is a power management IC designed for DDR memory power applications. It has a pin count of 32.
Key functions include:
1. Power Regulation: It provides power to DDR memory modules, ensuring stable voltage levels.
2. Voltage Tracking: Supports voltage tracking features for synchronous operation with memory devices.
3. Adjustable Output Voltage: The output voltage can be set via external resistors.
4. Soft-Start: Offers a soft-start feature to minimize inrush current.
5. Fault Protection: Includes over-voltage protection (OVP) and under-voltage protection (UVP).
6. Power Good Indicator: Signals when the output voltage is stable and within the desired range.
The device is optimized for high efficiency and compact design, making it suitable for various applications in computing and consumer electronics.

Manufacturer

The TPS51631ARSMR is manufactured by Texas Instruments (TI), a leading semiconductor company based in the United States. Texas Instruments specializes in designing and manufacturing a wide range of analog, digital signal processing (DSP), and embedded processing solutions. Founded in 1930, the company is known for its innovation in electronics and is a major player in the semiconductor industry.
Texas Instruments produces various products, including microcontrollers, processors, and power management devices, catering to diverse applications such as automotive, industrial, consumer electronics, and communication systems. The TPS51631ARSMR is a power management integrated circuit (IC) designed for voltage regulation in applications that require efficient power delivery, making it suitable for high-performance computing and other demanding environments. TI is recognized for its commitment to quality, reliability, and cutting-edge technology, positioning itself as a trusted partner for engineers and manufacturers worldwide.

Application

The TPS51631ARSMR is a voltage regulator primarily used in point-of-load (POL) applications for powering processors, FPGAs, and other digital devices. Its application areas include server and workstation motherboards, networking equipment, and telecommunications infrastructure. It is well-suited for systems requiring high efficiency, precise voltage regulation, and fast transient response. Additionally, it can be utilized in industrial automation and automotive electronics, where reliability and performance are critical. Overall, it serves in various sectors that demand efficient power conversion and management solutions.

Package

The TPS51631ARSMR is packaged in a VQFN (Very Thin Quad Flat No-lead) format, specifically in a 5mm x 5mm size with a thermal pad for efficient heat dissipation.

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