TPS54294RSAR

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TPS54294RSAR

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IC REG BUCK ADJ 2A DL 16QFN

  • 製造商德州儀器

  • 製造商部分 #TPS54294RSAR

  • 包裹 VQFN (RSA)-16

  • 有存貨6779

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正品保證

規格

屬性 價值
Package Tape & Reel (TR),Cut Tape (CT)
Series D-CAP2™, Eco-Mode™
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 2
Voltage-Input(Min) 4.5V
Voltage-Input(Max) 18V
Voltage-Output(Min/Fixed) 0.76V
Voltage-Output(Max) 7V
Current-Output 2A
Frequency-Switching 700kHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 16-VQFN Exposed Pad

概述

Description

The TPS54294RSAR is a dual-output step-down (buck) converter from Texas Instruments, designed for power supply applications. It supports an input voltage range from 4.5V to 18V and provides two independent outputs capable of delivering up to 2A each. This device is part of the TPS54294 series, which is known for its high efficiency and compact design, making it ideal for point-of-load applications in computing, communication, and consumer electronics.
Key features include a fixed switching frequency, high-side MOSFETs integrated within the chip, and built-in protection features such as overcurrent protection, undervoltage lockout, and thermal shutdown. It also offers a soft-start feature to minimize inrush current during startup, enhancing reliability. The device's small package size and reduced external component count help designers in achieving compact power supply solutions. With its robust performance and flexibility, the TPS54294RSAR is suitable for applications that require stable and efficient voltage regulation in a compact form factor.

Equivalent

The TPS54294RSAR is a dual step-down converter from Texas Instruments. Equivalent products would be similar dual step-down converters (buck converters) from other manufacturers. Some potential equivalents include:
1. LM26420 from Texas Instruments
2. ADP2119/ADP2120 from Analog Devices
3. MAX15062 from Maxim Integrated
4. MP2315 from Monolithic Power Systems
Ensure to compare specific parameters like input/output voltage range and current capability to confirm suitability.

Features

The TPS54294RSAR is a dual, adaptive on-time D-CAP2™ step-down converter designed by Texas Instruments. It is engineered for high efficiency and performance in power supply applications. Key features include:
1. Dual Outputs: Provides two 2 A outputs, allowing for versatile power supply designs.
2. Input Voltage Range: Operates from 4.5 V to 18 V, making it suitable for various applications.
3. Output Voltage: Adjustable output voltage range from 0.76 V to 7 V, providing flexibility in voltage regulation requirements.
4. Efficiency: High efficiency due to its adaptive on-time D-CAP2™ control mode, which minimizes losses.
5. Fast Load Transient Response: The control architecture allows for rapid response to changes in load, enhancing performance.
6. Low External Component Count: Simplified design and reduced PCB area due to minimal external components necessary.
7. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout for enhanced system reliability.
8. Compact Package: Available in a space-saving 5 mm x 4 mm QFN package.
These features make the TPS54294RSAR an excellent choice for portable electronics, networking, and industrial applications requiring efficient and compact power solutions.

Pinout

The TPS54294RSAR is a step-down (buck) DC-DC converter manufactured by Texas Instruments. It features a dual-channel output, each capable of delivering up to 2 A of output current. The device is typically used in power management applications for efficiently stepping down voltages to power digital and analog circuits.
In terms of pin count, the TPS54294RSAR comes in a 16-pin package. The key functions of the pins include input voltage (VIN), output voltage (VOUT), feedback (FB), enable (EN), switching node (SW), ground (GND), and compensation (COMP), among others. The specific pin configuration and functions can vary, so it's crucial to consult the datasheet for precise details concerning the pin assignments and their corresponding roles in the operation of the device.

Manufacturer

The TPS54294RSAR is a product manufactured by Texas Instruments Incorporated (TI). TI is an American technology company headquartered in Dallas, Texas. It is renowned for its design and manufacture of semiconductors and various integrated circuits, which are sold to electronics designers and manufacturers globally. The company is one of the top ten semiconductor companies worldwide based on sales volume. TI's product portfolio includes analog electronics, digital signal processors, microcontrollers, and education technology, among others. The company serves a wide range of industries, including automotive, communications, computing, and industrial applications, highlighting its role as a key player in the electronics and semiconductor industries.

Application

The TPS54294RSAR is a dual, step-down switch-mode power supply (SMPS) regulator designed for various applications. Its primary application areas include distributed power systems, point-of-load regulators in digital systems, telecommunications, and networking equipment. It is also used in industrial and consumer electronics where efficient power conversion and management are crucial. The device is particularly suitable for applications requiring compact size and high efficiency, such as portable devices, computing peripherals, and automotive electronics. Its features, such as wide input voltage range, high switching frequency, and built-in protection mechanisms, make it suitable for powering FPGAs, ASICs, and DSPs in complex electronic systems.

Package

The TPS54294RSAR is a DC-DC buck converter from Texas Instruments. It comes in an 18-pin SSOP (Shrink Small Outline Package) package type, also known as "RSA." This package is compact and suitable for applications requiring efficient power conversion in a small form factor.

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