TPS62903RPJR

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TPS62903RPJR

3-V TO 17-V, 3-A, HIGH-EFFICIENC

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規格

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 3V
Voltage-Input(Max) 17V
Voltage-Output(Min/Fixed) 0.4V
Voltage-Output(Max) 5.5V
Current-Output 3A
Frequency-Switching 1MHz, 2.5MHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case 9-VFQFN

概述

Description

The TPS62903RPJR is a high-efficiency buck converter from Texas Instruments designed for applications requiring precise voltage regulation. It is part of the TPS62903 series, which is known for its compact design and high performance. The device features a wide input voltage range, typically from 3.8 V to 30 V, and can deliver an output current of up to 3 A, making it suitable for a variety of power management applications in industrial and consumer electronics.
Key features of the TPS62903RPJR include low quiescent current, excellent transient response, and high efficiency across a broad load range. The device employs a fixed-frequency current mode control, which simplifies the design process and improves performance stability. It also includes features such as soft-start, power-good indication, and adjustable switching frequency, providing flexibility for design optimization.
The TPS62903RPJR is available in a small 3 mm x 2 mm QFN package, which helps in saving board space and enabling compact designs. This buck converter is ideal for space-constrained applications that demand reliable power delivery and efficiency, such as portable devices, communication equipment, and automotive systems.

Features

The TPS62903RPJR is a high-efficiency, step-down DC-DC converter from Texas Instruments. It is designed for applications requiring a compact solution with low noise and high performance. Key features include:
1. Input Voltage Range: Supports 3 V to 17 V, making it versatile for various power sources.
2. Output Voltage: Adjustable from 0.6 V to 5.5 V, with an accuracy of ±1%.
3. Current Capability: Delivers up to 3 A output current, suitable for powering demanding loads.
4. Efficiency: High efficiency across a wide load range, optimizing power use.
5. Switching Frequency: Typically operates at 2.2 MHz, aiding in compact design and low output ripple.
6. Low Quiescent Current: 4 μA, enhancing battery life in portable applications.
7. Soft-Start Functionality: Adjustable soft-start to manage inrush current during power-up.
8. Protection Features: Includes output short-circuit, over-current, and thermal shutdown protections.
9. Package: Available in a small 1.5 mm x 2.5 mm QFN package, aiding in space-constrained applications.
These features make the TPS62903RPJR suitable for applications such as industrial, automotive, and consumer electronics where efficiency and compact size are critical.

Package

The TPS62903RPJR is housed in a VQFN (Very Thin Quad Flat No-Lead) package. Specifically, it's a 1.5 mm x 2.0 mm VQFN package, known as VQFN-HR (HotRod™) with a 10-pin configuration. This package offers efficient thermal performance and is commonly used in compact, high-density applications.

Pinout

The TPS62903RPJR is a step-down (buck) converter from Texas Instruments. It comes in a 13-pin VQFN-HR (Very Thin Quad Flat No-Lead with HotRod) package. The key functions of this device include efficient voltage conversion from a higher input voltage to a lower output voltage, making it suitable for applications requiring low power and high efficiency. The converter is capable of delivering up to 3 A of output current, with a wide input voltage range and excellent transient response. Key features include programmable switching frequency, low quiescent current, and various protection mechanisms such as overcurrent protection and thermal shutdown. Typical applications include industrial, communications, and personal electronics. The pin configuration supports functions like voltage feedback, synchronization, power good indication, and enable/disable control.

Manufacturer

The TPS62903RPJR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components, including integrated circuits, microcontrollers, and sensors. They are known for their innovation in the electronics industry and serve various markets such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI is headquartered in Dallas, Texas, and is recognized for its contributions to the development of analog technologies, digital signal processing, and microcontrollers.

Application

The TPS62903RPJR is a highly efficient, step-down DC-DC converter ideal for various applications, including industrial automation, telecommunications, and computing systems. It's used in scenarios requiring high-performance power management, such as powering microcontrollers, FPGAs, and ASICs. Its compact design and low noise make it suitable for sensitive applications, including medical devices, test equipment, and sensor networks. Additionally, its wide input voltage range and high efficiency make it a versatile choice for battery-powered devices and energy-efficient systems.

Equivalent

The TPS62903RPJR is a buck converter by Texas Instruments. Equivalent products from other manufacturers might include the LM61460 from Texas Instruments, the MP2315 from Monolithic Power Systems, or the LTC3600 from Analog Devices. These alternatives provide similar functionalities in terms of voltage regulation, efficiency, and size, though specific feature sets and performance metrics like input voltage range, output current, and switching frequency should be compared to ensure compatibility with specific applications. Always consult the datasheets for detailed comparisons.

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