ISL6531CR-T

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Low power consumption - Compact size - Wide input voltage range - Multiple protection features

Package: 48-Ld QFN

Essence: The ISL6531CR-T is a power management IC designed for efficient power delivery in various electronic devices.

Packaging/Quantity: The ISL6531CR-T is available in a 48-lead Quad Flat No-Lead (QFN) package. It is typically sold in reels of 2500 units.

Specifications

The ISL6531CR-T has the following specifications:

• Input Voltage Range: 4.5V to 25V
• Output Voltage Range: 0.6V to 5.5V
• Maximum Output Current: 20A
• Switching Frequency: 300kHz to 1MHz
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The detailed pin configuration of the ISL6531CR-T is as follows:

1. VIN
2. VCC
3. PGND
4. BOOT
5. LGATE
6. PHASE
7. COMP
8. FB
9. SS
10. RT
11. ITH
12. OCSET
13. EN
14. PGOOD
15. AGND
16. PGND
17. PGND
18. PGND
19. PGND
20. PGND
21. PGND
22. PGND
23. PGND
24. PGND
25. PGND
26. PGND
27. PGND
28. PGND
29. PGND
30. PGND
31. PGND
32. PGND
33. PGND
34. PGND
35. PGND
36. PGND
37. PGND
38. PGND
39. PGND
40. PGND
41. PGND
42. PGND
43. PGND
44. PGND
45. PGND
46. PGND
47. PGND
48. PGND

Functional Features

The ISL6531CR-T offers the following functional features:

• Dual synchronous buck PWM controller
• Integrated MOSFET drivers
• Adjustable output voltage and current limit
• Overcurrent protection
• Overvoltage protection
• Undervoltage lockout
• Soft-start capability
• Power good indicator

Advantages and Disadvantages

Advantages: - High efficiency power delivery - Compact size for space-constrained applications - Wide input voltage range for versatility - Multiple protection features ensure device safety

Disadvantages: - Limited maximum output current compared to some other power management ICs - Requires external components for complete functionality

Working Principles

The ISL6531CR-T operates based on a dual synchronous buck PWM control scheme. It regulates the output voltage by adjusting the duty cycle of the internal power switches. The integrated MOSFET drivers provide efficient power delivery while minimizing power losses. The device incorporates various protection mechanisms to safeguard against overcurrent, overvoltage, and undervoltage conditions.

Detailed Application Field Plans

The ISL6531CR-T is widely used in various electronic devices that require efficient power management. Some common application fields include:

1. Computer motherboards
2. Networking equipment
3. Industrial automation systems
4. Telecommunications devices
5. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the ISL6531CR-T are:

1. LTC3880-1
2. TPS53632G
3. MAX20751

These models can be considered as alternatives based on specific application requirements and design considerations.

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