TPS54314PWPR

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TPS54314PWPR

IC REG BUCK 1.8V 3A 20HTSSOP

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規格

Series SWIFT™
Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Fixed
Number of Outputs 1
Voltage - Input (Min) 3V
Voltage - Input (Max) 6V
Voltage - Output (Min/Fixed) 1.8V
Current - Output 3A
Frequency - Switching 350kHz, 550kHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 20-PowerTSSOP (0.173", 4.40mm Width)
Supplier Device Package 20-HTSSOP
Base Product Number TPS54314

概述

Description

The TPS54314PWPR is a high-efficiency, step-down, DC-DC converter from Texas Instruments. Part of the SWIFT™ series, this device is designed for applications requiring power regulation and efficiency, such as in computing, telecommunications, and networking equipment. It operates with an input voltage range of 3 V to 6 V and provides an adjustable output of 0.9 V to 3.3 V, delivering up to 3 A of continuous current.
Key features include a fast transient response, high switching frequency (typically 500 kHz), and an enable pin for precision control over power sequencing. The converter uses adaptive on-time D-CAP™ mode control, which simplifies the design by eliminating the need for external compensation components. Additionally, it offers protection features like overcurrent protection, undervoltage lockout, and thermal shutdown.
The TPS54314PWPR is available in a thermally enhanced PowerPAD™ package, which improves heat dissipation. This makes it suitable for compact, high-density applications where space and thermal management are critical. Overall, the TPS54314PWPR is valued for its compact size, efficiency, and robust feature set.

Features

The TPS54314PWPR is a step-down (buck) DC-DC converter with several key features designed for efficient power management. It provides a high-efficiency solution for output currents up to 3 A. The device operates over a wide input voltage range of 3 V to 6 V, making it suitable for various applications.
Key features include:
- Integrated MOSFETs: Reduces the need for external components, enhancing efficiency and simplifying design.
- Adjustable Output Voltage: Allows flexibility with voltages as low as 0.9 V.
- High Efficiency: Optimized for up to 95% efficiency.
- Fixed Frequency Operation: 500 kHz switching frequency for a balance of size and performance.
- Thermal Shutdown: Protects the device from overheating.
- Current Limit Protection: Safeguards against overcurrent conditions.
- Soft Start Functionality: Reduces inrush current during startup.
- Small Package Size: Available in a 16-pin TSSOP, which is thermally enhanced, making it suitable for space-constrained applications.
These features make the TPS54314PWPR a versatile solution for powering processors, FPGAs, and other digital systems requiring efficient power conversion.

Package

The TPS54314PWPR is a DC-DC buck converter from Texas Instruments, housed in a 20-pin HTSSOP (PWP) package. This package type offers a thermally enhanced design suitable for high-efficiency power management solutions.

Pinout

The TPS54314PWPR is a step-down DC-DC converter from Texas Instruments with a 14-pin package. It is designed to provide a high-efficiency power conversion solution with an integrated MOSFET. The device operates at a fixed frequency and is suitable for a variety of applications requiring step-down voltage conversion.
Key functions of the TPS54314 include:
- Step-Down Voltage Conversion: Converts a higher input voltage to a lower output voltage efficiently.
- Integrated MOSFET: Provides high efficiency by integrating the power switch within the package.
- Adjustable Output: Allows for the output voltage to be set via external resistors.
- Synchronization: Offers the ability to synchronize the switching frequency with an external clock.
- Soft Start: Features a programmable soft start to control the inrush current during power-up.
The 14-pin package includes connections for input voltage, output voltage, feedback, soft start, enable/disable, ground, and other necessary functions to implement the full capabilities of the converter. For detailed pin assignments and electrical characteristics, refer to the datasheet provided by Texas Instruments.

Manufacturer

The manufacturer of the TPS54314PWPR is Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components and integrated circuits. TI is known for producing analog and digital embedded processing semiconductors, which are used in a variety of electronic systems across different industries, including automotive, industrial, consumer electronics, and communications. The company is headquartered in Dallas, Texas, and has a presence in multiple countries worldwide.

Application

The TPS54314PWPR is a step-down DC-DC converter designed for applications requiring efficient power conversion. Its application areas include distributed power systems, telecom equipment, networking gear, industrial automation, and consumer electronics. This device is particularly useful in systems requiring stable power supplies, such as microcontrollers, FPGAs, and DSPs, due to its ability to efficiently manage power and minimize energy loss.

Equivalent

The TPS54314PWPR is a step-down DC-DC converter from Texas Instruments. Equivalent products might include the LM22674 from Texas Instruments, the MP1584 from MPS (Monolithic Power Systems), and the LMR33630 from Texas Instruments, depending on specific design requirements like voltage, current, and switching frequency. Always check the datasheets for compatibility in terms of input and output voltage, current rating, and additional features.

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