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ISL6844IRZ-T
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ISL6844IRZ-T

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High-performance synchronous buck controller - Designed for low-voltage, high-current applications - Provides precise voltage regulation and efficient power conversion

Package: IRZ-T package (Integrated Heat Sink)

Essence: The ISL6844IRZ-T is a high-performance synchronous buck controller that offers precise voltage regulation and efficient power conversion for low-voltage, high-current applications.

Packaging/Quantity: The ISL6844IRZ-T is available in the IRZ-T package and is typically sold in reels of 2500 units.

Specifications

  • Input Voltage Range: 4.5V to 14V
  • Output Voltage Range: 0.6V to 5.5V
  • Maximum Output Current: 30A
  • Switching Frequency: 300kHz to 1MHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL6844IRZ-T has the following pin configuration:

  1. VIN: Input voltage pin
  2. BOOT: Bootstrap capacitor connection pin
  3. PGND: Power ground pin
  4. COMP: Compensation pin for loop stability
  5. FB: Feedback voltage pin
  6. SS/TR: Soft-start and tracking control pin
  7. EN: Enable pin
  8. VCC: Supply voltage pin
  9. LGATE: Low-side gate driver output pin
  10. PHASE: Phase node connection pin
  11. PGATE: Power ground pin for gate drivers
  12. HGATE: High-side gate driver output pin

Functional Features

  • Adaptive dead-time control for improved efficiency
  • Programmable switching frequency
  • Overcurrent protection
  • Overvoltage protection
  • Undervoltage lockout
  • Soft-start and tracking control

Advantages and Disadvantages

Advantages: - High-performance power management solution - Precise voltage regulation - Efficient power conversion - Adaptive dead-time control for improved efficiency

Disadvantages: - Limited input voltage range (4.5V to 14V) - Maximum output current limited to 30A

Working Principles

The ISL6844IRZ-T operates as a synchronous buck controller, regulating the output voltage by controlling the switching of high-side and low-side MOSFETs. It uses feedback from the FB pin to adjust the duty cycle and maintain the desired output voltage. The adaptive dead-time control ensures efficient power conversion by minimizing the time when both MOSFETs are conducting simultaneously.

Detailed Application Field Plans

The ISL6844IRZ-T is commonly used in various applications, including: 1. Server power supplies 2. Telecom infrastructure 3. Industrial equipment 4. Gaming consoles 5. High-end graphics cards

Detailed and Complete Alternative Models

  1. ISL6844IRZ
  2. ISL6844IRZ-T7A
  3. ISL6844IRZ-T13A
  4. ISL6844IRZ-T14A
  5. ISL6844IRZ-T15A

These alternative models offer similar functionality and can be considered as alternatives to the ISL6844IRZ-T.

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तकनीकी समाधानों में ISL6844IRZ-T के अनुप्रयोग से संबंधित 10 सामान्य प्रश्नों और उत्तरों की सूची बनाएं

Sure! Here are 10 common questions and answers related to the application of ISL6844IRZ-T in technical solutions:

  1. Q: What is ISL6844IRZ-T? A: ISL6844IRZ-T is a high-performance, synchronous buck controller IC designed for power supply applications.

  2. Q: What is the input voltage range supported by ISL6844IRZ-T? A: The input voltage range supported by ISL6844IRZ-T is typically between 4.5V and 14V.

  3. Q: What is the output voltage range that can be achieved using ISL6844IRZ-T? A: The output voltage range that can be achieved using ISL6844IRZ-T depends on the external components used, but it can typically range from 0.6V to 5.5V.

  4. Q: What is the maximum switching frequency of ISL6844IRZ-T? A: The maximum switching frequency of ISL6844IRZ-T is typically around 1MHz.

  5. Q: Can ISL6844IRZ-T support both synchronous and non-synchronous buck converter configurations? A: Yes, ISL6844IRZ-T can support both synchronous and non-synchronous buck converter configurations.

  6. Q: Does ISL6844IRZ-T have built-in protection features? A: Yes, ISL6844IRZ-T has various built-in protection features such as overcurrent protection, overvoltage protection, and thermal shutdown.

  7. Q: What is the typical efficiency of ISL6844IRZ-T? A: The typical efficiency of ISL6844IRZ-T can exceed 95% when properly configured.

  8. Q: Can ISL6844IRZ-T be used in automotive applications? A: Yes, ISL6844IRZ-T is suitable for automotive applications as it meets the necessary automotive standards.

  9. Q: What type of control loop does ISL6844IRZ-T use? A: ISL6844IRZ-T uses a voltage mode control loop.

  10. Q: Are evaluation boards available for ISL6844IRZ-T? A: Yes, evaluation boards are available for ISL6844IRZ-T, which can help in the development and testing of power supply solutions.

Please note that the answers provided here are general and may vary depending on specific application requirements and design considerations.