Texas Instruments
Bild kan vara representation.
Se specifikationer för produktinformation.
TPS2226ADBRG4
Visa detalj Datablad

TPS2226ADBRG4

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Low Power Consumption
  • Package: 24-Pin VQFN
  • Essence: Voltage Regulator
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.8V to 3.6V
  • Output Current: Up to 1.5A
  • Switching Frequency: 2.25MHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TPS2226ADBRG4 has a total of 24 pins. The pin configuration is as follows:

  1. EN (Enable)
  2. VIN (Input Voltage)
  3. PGND (Power Ground)
  4. SW (Switch Node)
  5. LX (Inductor Connection)
  6. FB (Feedback Voltage)
  7. SS/TR (Soft Start/Tracking)
  8. AGND (Analog Ground)
  9. COMP (Compensation)
  10. VREF (Reference Voltage)
  11. PG (Power Good)
  12. VOUT (Output Voltage)
  13. GND (Ground)
  14. BST (Bootstrap)
  15. SS/TR (Soft Start/Tracking)
  16. AGND (Analog Ground)
  17. COMP (Compensation)
  18. VREF (Reference Voltage)
  19. PG (Power Good)
  20. VOUT (Output Voltage)
  21. GND (Ground)
  22. BST (Bootstrap)
  23. NC (No Connect)
  24. EN (Enable)

Functional Features

  • Integrated synchronous buck converter
  • Wide input voltage range for versatile applications
  • Adjustable output voltage through external resistors
  • Overcurrent and thermal protection
  • Power good output for system monitoring
  • Soft start and tracking functionality

Advantages and Disadvantages

Advantages: - High efficiency, reducing power consumption - Compact package size for space-constrained designs - Wide input voltage range allows for flexibility in power sources - Integrated protection features enhance system reliability

Disadvantages: - Limited output current compared to some other models - Higher cost compared to non-integrated solutions

Working Principles

The TPS2226ADBRG4 is a voltage regulator that utilizes a synchronous buck converter topology. It takes an input voltage within the range of 2.7V to 5.5V and converts it to a regulated output voltage between 0.8V and 3.6V. The integrated control circuitry adjusts the duty cycle of the internal switches to maintain the desired output voltage.

Detailed Application Field Plans

The TPS2226ADBRG4 is commonly used in various applications where efficient power management is required. Some specific application fields include:

  1. Portable Electronic Devices: The low power consumption and compact package make it suitable for battery-powered devices such as smartphones, tablets, and portable media players.
  2. Industrial Automation: The wide input voltage range and high efficiency make it ideal for powering sensors, actuators, and control systems in industrial automation applications.
  3. Automotive Electronics: The robust design and thermal protection features make it suitable for automotive applications, including infotainment systems, lighting controls, and engine management systems.

Detailed and Complete Alternative Models

  1. TPS62203DBVR: This model offers similar specifications and features but comes in a smaller SOT-23 package.
  2. LM2576T-ADJ: A non-integrated solution with adjustable output voltage, higher output current capability, and lower cost. However, it requires additional external components for operation.

(Note: The above alternative models are provided for reference and may have different pin configurations and package sizes.)

Word count: 380 words

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TPS2226ADBRG4 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of TPS2226ADBRG4 in technical solutions:

  1. Q: What is the TPS2226ADBRG4? A: The TPS2226ADBRG4 is a power distribution switch with integrated current limiting, ideal for applications requiring multiple power supplies.

  2. Q: What is the maximum input voltage supported by the TPS2226ADBRG4? A: The TPS2226ADBRG4 can handle an input voltage range from 2.7V to 5.5V.

  3. Q: How many output channels does the TPS2226ADBRG4 have? A: The TPS2226ADBRG4 has two independent output channels.

  4. Q: What is the maximum continuous current per channel that the TPS2226ADBRG4 can handle? A: Each channel of the TPS2226ADBRG4 can handle a maximum continuous current of 500mA.

  5. Q: Can the TPS2226ADBRG4 be used for hot-swapping applications? A: Yes, the TPS2226ADBRG4 supports hot-swapping, allowing for safe insertion and removal of power sources.

  6. Q: Does the TPS2226ADBRG4 have built-in overcurrent protection? A: Yes, the TPS2226ADBRG4 features integrated current limiting and thermal shutdown protection to prevent damage due to overcurrent conditions.

  7. Q: What is the typical quiescent current of the TPS2226ADBRG4? A: The typical quiescent current of the TPS2226ADBRG4 is around 20µA.

  8. Q: Can the TPS2226ADBRG4 be used in battery-powered applications? A: Yes, the low quiescent current and wide input voltage range make the TPS2226ADBRG4 suitable for battery-powered applications.

  9. Q: Does the TPS2226ADBRG4 have any built-in protection against reverse polarity? A: No, the TPS2226ADBRG4 does not have reverse polarity protection. Proper circuitry should be implemented to prevent reverse polarity.

  10. Q: What package does the TPS2226ADBRG4 come in? A: The TPS2226ADBRG4 is available in a 10-pin VSON (DGK) package, which is small and space-efficient.

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.