Texas Instruments
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
TPS54821RHLR
Ver Detalle Hojas de datos

TPS54821RHLR

Introduction

The TPS54821RHLR is a high-performance synchronous buck DC-DC converter designed for a variety of applications. This entry provides an overview of the product, including its category, use, characteristics, package, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Overview

Category

The TPS54821RHLR belongs to the category of power management integrated circuits (PMICs).

Use

It is used as a voltage regulator in various electronic devices and systems, providing efficient power conversion.

Characteristics

  • High efficiency
  • Wide input voltage range
  • Adjustable output voltage
  • Synchronous rectification
  • Overcurrent protection

Package

The TPS54821RHLR is available in a 16-pin VQFN package.

Essence

The essence of the TPS54821RHLR lies in its ability to efficiently regulate voltage in electronic systems, contributing to overall power management.

Packaging/Quantity

The product is typically sold in reels containing a specific quantity, as per the manufacturer's packaging standards.

Specifications

  • Input Voltage Range: 4.5V to 17V
  • Output Voltage Range: 0.54V to 5.5V
  • Output Current: Up to 8A
  • Switching Frequency: 200kHz to 2.2MHz
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The TPS54821RHLR features a detailed pin configuration with specific functions assigned to each pin, ensuring proper integration into electronic systems.

Functional Features

  • Integrated MOSFET switches
  • Adjustable soft start
  • Power good indicator
  • Thermal shutdown protection
  • Enable control

Advantages and Disadvantages

Advantages

  • High efficiency contributes to energy savings
  • Wide input voltage range enhances versatility
  • Compact package size for space-constrained designs

Disadvantages

  • Higher cost compared to non-synchronous buck converters
  • Requires careful thermal management at high loads

Working Principles

The TPS54821RHLR operates on the principle of synchronous buck conversion, where it efficiently steps down the input voltage to the desired output voltage using integrated MOSFET switches and control circuitry.

Detailed Application Field Plans

The TPS54821RHLR finds application in various fields, including: - Telecommunications equipment - Industrial automation systems - Consumer electronics - Automotive electronics - Renewable energy systems

Detailed and Complete Alternative Models

Several alternative models offer similar functionality to the TPS54821RHLR, including: - TPS548B20 - TPS546C23 - LMZ31704

In conclusion, the TPS54821RHLR serves as a versatile and efficient DC-DC converter suitable for a wide range of electronic applications, offering high performance and reliability in power management.

[Word Count: 457]

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de TPS54821RHLR en soluciones técnicas

  1. What is the input voltage range of TPS54821RHLR?

    • The input voltage range of TPS54821RHLR is 4.5V to 17V.

  2. What is the output voltage range of TPS54821RHLR?

    • The output voltage range of TPS54821RHLR is 0.54V to 5.5V.

  3. What is the maximum output current of TPS54821RHLR?

    • The maximum output current of TPS54821RHLR is 8A.

  4. What is the efficiency of TPS54821RHLR at full load?

    • The efficiency of TPS54821RHLR at full load is typically 95%.

  5. What are the key features of TPS54821RHLR?

    • The key features of TPS54821RHLR include integrated MOSFETs, adjustable soft start, power good indicator, and thermal shutdown protection.

  6. What type of applications is TPS54821RHLR suitable for?

    • TPS54821RHLR is suitable for a wide range of applications including point-of-load regulation, industrial equipment, and telecommunications infrastructure.

  7. Does TPS54821RHLR have overcurrent protection?

    • Yes, TPS54821RHLR has overcurrent protection to safeguard against excessive current draw.

  8. What is the operating temperature range of TPS54821RHLR?

    • The operating temperature range of TPS54821RHLR is -40°C to 125°C.

  9. Is TPS54821RHLR compatible with both synchronous rectification and pre-biased startup?

    • Yes, TPS54821RHLR is compatible with both synchronous rectification and pre-biased startup.

  10. What is the package type of TPS54821RHLR?

    • TPS54821RHLR is available in a 5mm x 6mm, 28-pin VQFN package.