Texas Instruments
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TPS2849PWPRG4
צפה בפרטים DataSheets

TPS2849PWPRG4 - English Editing Encyclopedia Entry

Product Overview

Category

The TPS2849PWPRG4 belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This product is primarily used for power distribution and control in various electronic devices and systems.

Characteristics

  • High efficiency power management
  • Wide input voltage range
  • Low quiescent current
  • Overcurrent protection
  • Thermal shutdown protection

Package

The TPS2849PWPRG4 comes in a small outline integrated circuit (SOIC) package.

Essence

The essence of this product lies in its ability to efficiently manage and distribute power within electronic systems, ensuring optimal performance and protection.

Packaging/Quantity

The TPS2849PWPRG4 is typically packaged in reels containing 2500 units per reel.

Specifications

  • Input Voltage Range: 2.7V to 18V
  • Output Voltage Range: 0.8V to 5.5V
  • Quiescent Current: 50µA
  • Operating Temperature Range: -40°C to 125°C
  • Number of Pins: 20

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. EN: Enable pin
  3. GND: Ground pin
  4. PGND: Power ground pin
  5. FB: Feedback pin
  6. COMP: Compensation pin
  7. SS/TR: Soft-start/Tracking pin
  8. VREF: Reference voltage pin
  9. AGND: Analog ground pin
  10. VCC: Supply voltage pin
  11. PG: Power good pin
  12. BST: Bootstrap pin
  13. SW: Switch pin
  14. SW: Switch pin
  15. SW: Switch pin
  16. SW: Switch pin
  17. SW: Switch pin
  18. SW: Switch pin
  19. SW: Switch pin
  20. SW: Switch pin

Functional Features

  • High-efficiency synchronous buck converter
  • Adjustable output voltage
  • Overcurrent protection with hiccup mode
  • Thermal shutdown protection
  • Soft-start and tracking capability
  • Power good indicator

Advantages and Disadvantages

Advantages

  • High efficiency power management
  • Wide input voltage range allows for versatile applications
  • Low quiescent current minimizes power consumption
  • Overcurrent and thermal shutdown protection enhance system reliability
  • Soft-start and tracking features enable smooth power transitions
  • Power good indicator provides system status feedback

Disadvantages

  • Limited output voltage range (0.8V to 5.5V)
  • Requires external compensation components for stability

Working Principles

The TPS2849PWPRG4 operates as a synchronous buck converter, converting the input voltage to a regulated output voltage. It utilizes pulse-width modulation (PWM) control to efficiently regulate the output voltage. The feedback loop continuously monitors the output voltage and adjusts the duty cycle of the switching transistor to maintain the desired voltage level. The device also incorporates various protection mechanisms such as overcurrent and thermal shutdown to safeguard the system.

Detailed Application Field Plans

The TPS2849PWPRG4 finds application in a wide range of electronic devices and systems, including but not limited to: - Power supplies - Industrial automation equipment - Telecommunications infrastructure - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  1. TPS2849PWP
  2. TPS2849PWPR
  3. TPS2849PWPRG3
  4. TPS2849PWPRG5
  5. TPS2849PWPRG6

These alternative models offer similar functionality and characteristics, providing options for different design requirements.

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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של TPS2849PWPRG4 בפתרונות טכניים

Sure! Here are 10 common questions and answers related to the application of TPS2849PWPRG4 in technical solutions:

  1. Q: What is TPS2849PWPRG4? A: TPS2849PWPRG4 is a high-speed, dual-channel MOSFET driver designed for driving power MOSFETs in applications such as motor control, power supplies, and inverters.

  2. Q: What is the maximum operating voltage of TPS2849PWPRG4? A: The maximum operating voltage of TPS2849PWPRG4 is 18V.

  3. Q: What is the output current capability of TPS2849PWPRG4? A: TPS2849PWPRG4 can source/sink up to 4A peak current per channel.

  4. Q: Can TPS2849PWPRG4 operate at high temperatures? A: Yes, TPS2849PWPRG4 has a wide temperature range and can operate from -40°C to 125°C.

  5. Q: Does TPS2849PWPRG4 have built-in protection features? A: Yes, TPS2849PWPRG4 includes undervoltage lockout (UVLO), overcurrent protection (OCP), and thermal shutdown protection.

  6. Q: What is the input logic threshold voltage of TPS2849PWPRG4? A: The input logic threshold voltage of TPS2849PWPRG4 is typically 1.5V.

  7. Q: Can TPS2849PWPRG4 be used with both N-channel and P-channel MOSFETs? A: Yes, TPS2849PWPRG4 can drive both N-channel and P-channel MOSFETs.

  8. Q: What is the typical propagation delay of TPS2849PWPRG4? A: The typical propagation delay of TPS2849PWPRG4 is 25ns.

  9. Q: Does TPS2849PWPRG4 have an enable pin? A: Yes, TPS2849PWPRG4 has an active-high enable pin that can be used to turn off both channels simultaneously.

  10. Q: Can TPS2849PWPRG4 be used in automotive applications? A: Yes, TPS2849PWPRG4 is qualified for automotive applications and meets AEC-Q100 Grade 1 standards.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.