ISL62884CIRTZ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High-efficiency synchronous buck regulator - Designed for notebook computers and other battery-powered applications - Provides a complete power solution for advanced microprocessors - Optimized for high-frequency, low-voltage applications

Package: QFN (Quad Flat No-Lead) package

Essence: The ISL62884CIRTZ is a power management IC that offers a highly efficient solution for regulating voltage in notebook computers and other battery-powered devices. It is designed to provide a complete power solution for advanced microprocessors, ensuring optimal performance and power efficiency.

Packaging/Quantity: The ISL62884CIRTZ is available in a QFN package and is typically sold in reels or trays.

Specifications

• Input Voltage Range: 4.5V to 25V
• Output Voltage Range: 0.6V to 1.5V
• Maximum Output Current: 30A
• Switching Frequency: 300kHz to 2MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL62884CIRTZ features a 32-pin QFN package with the following pin configuration:

1. VIN
2. VIN
3. VCC
4. VCC
5. GND
6. GND
7. GND
8. GND
9. PGND
10. PGND
11. PGND
12. PGND
13. BOOT
14. PHASE
15. COMP
16. FB
17. SS
18. RT
19. EN
20. LGATE
21. PGATE
22. PGATE
23. PGATE
24. PGATE
25. PGATE
26. PGATE
27. PGATE
28. PGATE
29. PGATE
30. PGATE
31. PGATE
32. PGATE

Functional Features

• High-efficiency synchronous buck regulator
• Adaptive voltage positioning (AVP) for improved transient response
• Integrated MOSFET drivers for reduced external component count
• Programmable soft-start and soft-stop functionality
• Overcurrent protection and thermal shutdown features
• Adjustable switching frequency for optimization of efficiency and size

Advantages and Disadvantages

Advantages: - High efficiency leads to improved battery life in portable devices - AVP enhances transient response, ensuring stable power delivery - Integrated MOSFET drivers reduce external component count and simplify design - Programmable soft-start and soft-stop features enable smooth power transitions - Overcurrent protection and thermal shutdown enhance system reliability

Disadvantages: - Limited output voltage range may not be suitable for all applications - Higher cost compared to non-integrated power management solutions - Requires careful consideration of thermal management due to high current handling capabilities

Working Principles

The ISL62884CIRTZ operates as a synchronous buck regulator, converting the input voltage to a regulated output voltage. It utilizes adaptive voltage positioning (AVP) to dynamically adjust the output voltage based on load conditions, improving transient response and overall power efficiency. The integrated MOSFET drivers eliminate the need for external drivers, simplifying the design and reducing component count.

Detailed Application Field Plans

The ISL62884CIRTZ is primarily designed for notebook computers and other battery-powered applications. Its high efficiency and advanced features make it suitable for a wide range of portable devices that require efficient power management. Some potential application fields include:

1. Laptops and Ultrabooks
2. Tablets and Convertible Devices
3. Portable Gaming Consoles
4. Industrial Handheld Devices
5. Medical Equipment
6. Automotive Infotainment Systems

Detailed and Complete Alternative Models

1. ISL62882CIRTZ: Similar to the ISL62884CIRTZ, but with a lower maximum output current of 20A.
2. ISL62883CIRTZ: Similar to the ISL62884CIRTZ, but with a lower maximum output current of 25A.
3. ISL62885CIRTZ: Similar to the ISL62884CIRTZ, but with a higher maximum output current of 35A.

These alternative models offer similar functionality and characteristics, but with varying output current capabilities to suit different power requirements.

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