TPS54821RHLR - Texas Instruments

Manufacturer Part Number

TPS54821RHLR

Manufacturer

Texas Instruments

Introduction

The TPS54821RHLR is a high-performance, adaptive on-time D-CAP2 mode synchronous buck converter within the SWIFT™ series by Texas Instruments.

Product Features and Performance

Step-Down (Buck) regulator topology

Adjustable output voltage

Single output channel

Supports a 4.5V to 17V input voltage range

Programmable output voltage from 0.6V to 15V

Maximum output current of 8A

Switching frequency range from 200kHz to 1.6MHz

Integrated synchronous rectifier for improved efficiency

Low radiation and EMI characteristics

Product Advantages

Efficient power conversion for reduced energy consumption

High output current capability

Flexible switching frequency for system optimization

Compact QFN package suitable for space-constrained applications

Wide input voltage range accommodates varying power supplies

Key Technical Parameters

Input Voltage (Min): 4.5V

Input Voltage (Max): 17V

Output Voltage (Min/Fixed): 0.6V

Output Voltage (Max): 15V

Output Current: 8A

Switching Frequency: 200kHz ~ 1.6MHz

Synchronous Rectifier: Yes

Operating Temperature Range: -40°C ~ 125°C (TJ)

Quality and Safety Features

Built-in thermal shutdown

Overcurrent protection

Under voltage lockout

Robust thermal performance with exposed pad package

Compatibility

Compatible with a range of input sources and output loads

Flexible for design adaptability in various circuit topologies

Application Areas

Computing systems

Networking and telecommunications

Consumer electronics

Industrial power systems

Gaming consoles

Product Lifecycle

The TPS54821RHLR is currently active.

No public notice of discontinuation, with continuous support available.

Several Key Reasons to Choose This Product

High-efficiency synchronous buck operation reduces heat and increases reliability.

Programmable soft start minimizes inrush current at startup.

Flexible and high-frequency switching options allow optimization of inductor size versus efficiency.

The small package size enables high power density.

Simplifies design with integrated FETs, reducing external component count.

Advanced Power Management (PMIC) tailored for tight space conditions.

Robust operation with built-in safety features ensuring system protection.