TPS542951RSAR - Texas Instruments

Manufacturer Part Number

TPS542951RSAR

Manufacturer

Texas Instruments

Introduction

TPS542951RSAR is a dual-output, adjustable, step-down buck converter from Texas Instruments.

Product Features and Performance

Dual-channel synchronous buck converter

Selectable D-CAP2™ and Eco-Mode™ for high efficiency

Low dropout operation

Integrated high-side and low-side MOSFETs

Power Good output indicator

Adjustable soft start

Thermal shutdown and overvoltage protection

Product Advantages

High efficiency and reduced BOM cost

Optimized for rapid transient response

Low EMI due to optimized switching frequency

Flexible power sequencing

Compact 16-VQFN (4x4) package saves board space

Key Technical Parameters

Output Configuration: Positive

Topology: Buck

Output Type: Adjustable

Number of Outputs: 2

Voltage - Input (Min): 4.5V

Voltage - Input (Max): 18V

Voltage - Output (Min/Fixed): 0.76V

Voltage - Output (Max): 7V

Current - Output: 2A, 3A

Frequency - Switching: 700kHz

Synchronous Rectifier: Yes

Operating Temperature: -40°C to 85°C (TA)

Quality and Safety Features

Overcurrent protection

Thermal shutdown

Under-voltage lockout

Meet RoHS requirements

Compatibility

Optimized for applications requiring a wide input range

Compatible with high-density PCB design

Application Areas

Consumer Electronics

Computing Systems

Networking Devices

Power Distribution

Telecommunications

Product Lifecycle

Active status

Not reported as nearing discontinuation

Replacements or upgrades may be suggested by manufacturer based on newer technology or demand

Several Key Reasons to Choose This Product

Highly efficient for power-sensitive applications

Reduced external component count contributes to a lower system cost

Rapid transient response ideal for powering digital loads

High integration level leads to space savings on the PCB

Robust protection features ensure system reliability

Versatile usage across multiple applications increasing design flexibility