Texas Instruments
Imej mungkin representasi.
Lihat spesifikasi untuk butiran produk.
TPS2346PWRG4
Lihat Butiran Helaian data

TPS2346PWRG4

Introduction

The TPS2346PWRG4 is a power management integrated circuit (PMIC) belonging to the category of voltage regulators. It is commonly used in various electronic devices to regulate and control the voltage supplied to different components. This entry provides an overview of the TPS2346PWRG4, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Voltage Regulator
  • Use: Regulating and controlling voltage supply in electronic devices
  • Characteristics: High efficiency, low power consumption, compact package size
  • Package: PowerPAD MSOP-10
  • Essence: Efficient voltage regulation for electronic devices
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

  • Input Voltage Range: 4.5V to 17V
  • Output Voltage Range: 0.8V to 6V
  • Output Current: Up to 3A
  • Operating Temperature Range: -40°C to 125°C
  • Quiescent Current: 85µA
  • Switching Frequency: 2.1MHz

Detailed Pin Configuration

The TPS2346PWRG4 has a detailed pin configuration with specific functions assigned to each pin. The pinout includes VIN, PGND, SW, FB, EN, SS/TR, COMP, VOUT, AGND, and PGND.

Functional Features

  • Integrated FETs: Eliminates the need for external FETs, reducing component count and board space
  • Adaptive On-Time Control: Provides fast transient response and stable operation across varying load conditions
  • Power Good Indicator: Monitors the output voltage, providing a signal when the voltage is within regulation
  • Soft Start and Tracking: Allows controlled start-up and tracking of the output voltage

Advantages and Disadvantages

Advantages

  • High efficiency
  • Compact package size
  • Integrated FETs reduce external component count
  • Fast transient response

Disadvantages

  • Limited output current compared to some higher-power regulators
  • Higher cost compared to traditional linear regulators

Working Principles

The TPS2346PWRG4 operates based on adaptive on-time control, which adjusts the on-time of the switching regulator based on the input voltage and load conditions. This control mechanism ensures efficient and stable voltage regulation across varying operating conditions.

Detailed Application Field Plans

The TPS2346PWRG4 is well-suited for a wide range of applications, including: - Point-of-load converters - Industrial automation systems - Telecommunication equipment - Portable electronics - LED lighting

Detailed and Complete Alternative Models

  • TPS54360: A higher-output-current alternative with similar features
  • LM2675: A cost-effective alternative for lower-power applications
  • LT8610: An alternative with higher efficiency and wider input voltage range

In conclusion, the TPS2346PWRG4 is a versatile voltage regulator with high efficiency and compact design, suitable for various electronic applications. Its integrated features and adaptive control mechanism make it an ideal choice for demanding power management requirements.

[Word Count: 497]

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi TPS2346PWRG4 dalam penyelesaian teknikal

  1. What is the TPS2346PWRG4?

    • The TPS2346PWRG4 is a quad-channel power distribution switch with an integrated FET, designed for applications requiring current limiting and thermal shutdown protection.

  2. What is the input voltage range of TPS2346PWRG4?

    • The input voltage range of TPS2346PWRG4 is 2.7V to 5.5V.

  3. What is the maximum continuous current per channel supported by TPS2346PWRG4?

    • The TPS2346PWRG4 supports a maximum continuous current of 0.5A per channel.

  4. What are the typical applications of TPS2346PWRG4?

    • Typical applications of TPS2346PWRG4 include USB ports, hot-swappable devices, and portable electronics where overcurrent protection is required.

  5. Does TPS2346PWRG4 have built-in thermal shutdown protection?

    • Yes, TPS2346PWRG4 has built-in thermal shutdown protection to prevent damage due to excessive heat.

  6. What is the quiescent current of TPS2346PWRG4?

    • The quiescent current of TPS2346PWRG4 is typically 30µA per channel.

  7. Can TPS2346PWRG4 be used in automotive applications?

    • Yes, TPS2346PWRG4 is suitable for automotive applications due to its wide input voltage range and robust protection features.

  8. What is the operating temperature range of TPS2346PWRG4?

    • The operating temperature range of TPS2346PWRG4 is -40°C to 125°C.

  9. Does TPS2346PWRG4 support fault reporting?

    • Yes, TPS2346PWRG4 provides fault reporting through a status flag for each channel.

  10. Is TPS2346PWRG4 available in a small package for space-constrained designs?

    • Yes, TPS2346PWRG4 is available in a small 16-pin TSSOP package, making it suitable for space-constrained designs.