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ISL6549CBZ
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ISL6549CBZ

Product Overview

Category

ISL6549CBZ belongs to the category of integrated circuits (ICs).

Use

It is commonly used in power management applications.

Characteristics

  • Integrated circuit
  • Power management functionality
  • High efficiency
  • Compact size

Package

ISL6549CBZ is available in a compact package, typically a small outline integrated circuit (SOIC) package.

Essence

The essence of ISL6549CBZ lies in its ability to efficiently manage power in various electronic devices.

Packaging/Quantity

ISL6549CBZ is usually packaged in reels or tubes, with a typical quantity of 250 units per reel/tube.

Specifications

  • Input Voltage Range: 4.5V to 5.5V
  • Output Voltage Range: 0.8V to 3.3V
  • Maximum Output Current: 6A
  • Switching Frequency: 300kHz to 1MHz
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

ISL6549CBZ has a total of 16 pins. The detailed pin configuration is as follows:

  1. VIN: Input voltage
  2. GND: Ground
  3. FB1: Feedback input for channel 1
  4. COMP1: Compensation node for channel 1
  5. SS1: Soft-start control for channel 1
  6. LGATE1: Low-side gate driver output for channel 1
  7. PGND1: Power ground for channel 1
  8. BOOT1: Bootstrap capacitor connection for channel 1
  9. PHASE1: Phase node for channel 1
  10. VCC: Supply voltage
  11. EN: Enable pin
  12. FB2: Feedback input for channel 2
  13. COMP2: Compensation node for channel 2
  14. SS2: Soft-start control for channel 2
  15. LGATE2: Low-side gate driver output for channel 2
  16. PGND2: Power ground for channel 2

Functional Features

  • Dual-channel synchronous buck controller
  • Adaptive voltage positioning (AVP) technology
  • Programmable soft-start and tracking
  • Overcurrent protection
  • Overvoltage protection
  • Undervoltage lockout (UVLO)
  • Thermal shutdown protection

Advantages and Disadvantages

Advantages

  • High efficiency power management
  • Compact size for space-constrained applications
  • AVP technology for improved performance
  • Comprehensive protection features

Disadvantages

  • Limited output current capacity (6A maximum)

Working Principles

ISL6549CBZ operates as a dual-channel synchronous buck controller. It utilizes adaptive voltage positioning (AVP) technology to optimize power delivery efficiency. The IC regulates the input voltage and converts it into the desired output voltage range. It incorporates various protection mechanisms such as overcurrent, overvoltage, undervoltage lockout, and thermal shutdown to ensure safe operation.

Detailed Application Field Plans

ISL6549CBZ finds extensive application in various fields, including but not limited to: - Power supplies for computer systems - Industrial automation equipment - Telecommunications devices - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to ISL6549CBZ are: - LTC3880: Dual-phase synchronous buck controller - TPS54332: Dual-channel synchronous buck converter - MAX15062: Dual-output synchronous step-down controller - ADP2384: Dual-phase synchronous buck controller

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ISL6549CBZ v technických řešeních

Sure! Here are 10 common questions and answers related to the application of ISL6549CBZ in technical solutions:

  1. Q: What is ISL6549CBZ? A: ISL6549CBZ is a highly integrated dual synchronous buck controller designed for applications requiring high efficiency and compact size.

  2. Q: What is the input voltage range supported by ISL6549CBZ? A: ISL6549CBZ supports an input voltage range from 4.5V to 5.5V.

  3. Q: What is the output voltage range that can be achieved using ISL6549CBZ? A: The output voltage range can be adjusted from 0.8V to 5.5V.

  4. Q: What is the maximum output current supported by ISL6549CBZ? A: ISL6549CBZ can support a maximum output current of up to 20A.

  5. Q: Can ISL6549CBZ operate in a synchronous rectification mode? A: Yes, ISL6549CBZ can operate in both synchronous and asynchronous rectification modes.

  6. Q: Does ISL6549CBZ have built-in protection features? A: Yes, ISL6549CBZ includes various protection features such as overcurrent protection, overvoltage protection, and thermal shutdown.

  7. Q: What is the switching frequency range of ISL6549CBZ? A: The switching frequency range of ISL6549CBZ is typically between 200kHz and 600kHz.

  8. Q: Can ISL6549CBZ be used in automotive applications? A: Yes, ISL6549CBZ is suitable for automotive applications as it meets the AEC-Q100 standard.

  9. Q: Does ISL6549CBZ require an external compensation network? A: No, ISL6549CBZ has an internal compensation network, eliminating the need for an external one.

  10. Q: What package options are available for ISL6549CBZ? A: ISL6549CBZ is available in a 28-lead HTSSOP package.

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