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TPS28226DRBT
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TPS28226DRBT

Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency - Low quiescent current - Wide input voltage range - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: 8-Pin SON (Small Outline No-Lead) Package

Essence: The TPS28226DRBT is a power management IC designed for efficient power conversion in various applications.

Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 18V
  • Output Voltage Range: 0.8V to 6V
  • Maximum Continuous Output Current: 2A
  • Quiescent Current: 40µA
  • Operating Temperature Range: -40°C to +125°C

Pin Configuration

The TPS28226DRBT has the following pin configuration:

  1. EN (Enable): Enable control pin for turning the device on or off.
  2. VIN (Input Voltage): Input voltage pin.
  3. PGND (Power Ground): Ground reference for the power stage.
  4. SW (Switch Node): Switching node connection for the power stage.
  5. FB (Feedback): Feedback pin for adjusting the output voltage.
  6. SS/TR (Soft Start/Tracking): Soft start and tracking control pin.
  7. COMP (Compensation): Compensation pin for stability control.
  8. VOUT (Output Voltage): Output voltage pin.

Functional Features

  • High Efficiency: The TPS28226DRBT offers high efficiency power conversion, minimizing power losses.
  • Low Quiescent Current: With a low quiescent current of 40µA, the IC reduces standby power consumption.
  • Wide Input Voltage Range: The device can operate with an input voltage range of 4.5V to 18V, providing flexibility in various applications.
  • Adjustable Output Voltage: The output voltage can be adjusted from 0.8V to 6V, allowing customization for specific requirements.
  • Overcurrent Protection: The IC incorporates overcurrent protection to safeguard against excessive current flow.
  • Thermal Shutdown Protection: Thermal shutdown protection prevents the device from overheating.

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection

Disadvantages: - Limited maximum continuous output current (2A)

Working Principles

The TPS28226DRBT operates as a step-down (buck) converter. It converts a higher input voltage to a lower output voltage by controlling the duty cycle of the internal power switch. The feedback mechanism adjusts the duty cycle based on the desired output voltage, ensuring regulation. The IC also includes protection features such as overcurrent and thermal shutdown to enhance reliability.

Detailed Application Field Plans

The TPS28226DRBT is suitable for various applications, including but not limited to: - Industrial automation systems - Telecommunications equipment - Consumer electronics - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the TPS28226DRBT are: - TPS28225DRBT - TPS28227DRBT - TPS28228DRBT - TPS28229DRBT

These models have comparable specifications and pin configurations, providing alternatives for different design requirements.

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10 domande e risposte comuni relative all'applicazione di TPS28226DRBT nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of TPS28226DRBT in technical solutions:

  1. Question: What is the TPS28226DRBT?
    Answer: The TPS28226DRBT is a dual-channel, high-speed gate driver IC designed for driving N-channel power MOSFETs or IGBTs in high-frequency applications.

  2. Question: What is the maximum operating voltage of the TPS28226DRBT?
    Answer: The TPS28226DRBT has a maximum operating voltage of 18V.

  3. Question: What is the typical output current capability of each channel in the TPS28226DRBT?
    Answer: Each channel of the TPS28226DRBT can provide up to 4A of peak source/sink current.

  4. Question: Can the TPS28226DRBT be used with both MOSFETs and IGBTs?
    Answer: Yes, the TPS28226DRBT is compatible with both N-channel power MOSFETs and IGBTs.

  5. Question: Does the TPS28226DRBT have built-in protection features?
    Answer: Yes, the TPS28226DRBT includes various protection features such as undervoltage lockout (UVLO), overcurrent protection (OCP), and thermal shutdown.

  6. Question: What is the recommended input voltage range for the TPS28226DRBT?
    Answer: The recommended input voltage range for the TPS28226DRBT is between 4.5V and 18V.

  7. Question: Can the TPS28226DRBT operate at high temperatures?
    Answer: Yes, the TPS28226DRBT is designed to operate in a wide temperature range from -40°C to 140°C.

  8. Question: What is the typical propagation delay of the TPS28226DRBT?
    Answer: The typical propagation delay of the TPS28226DRBT is around 25ns.

  9. Question: Can the TPS28226DRBT be used in automotive applications?
    Answer: Yes, the TPS28226DRBT is AEC-Q100 qualified and suitable for automotive applications.

  10. Question: Does the TPS28226DRBT require an external bootstrap diode?
    Answer: No, the TPS28226DRBT has an integrated bootstrap diode, simplifying the design and reducing component count.

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