ISL6537CRZ

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency voltage regulator - Dual synchronous buck controller - Designed for notebook computers and other portable devices - Provides power to the central processing unit (CPU) and graphics processing unit (GPU) - Optimized for high-performance applications

Package: 40-Lead QFN (Quad Flat No-Lead)

Essence: The ISL6537CRZ is a power management IC that combines a dual synchronous buck controller with high efficiency voltage regulators. It is specifically designed for use in notebook computers and other portable devices, providing power to the CPU and GPU.

Packaging/Quantity: The ISL6537CRZ is available in a 40-Lead QFN package. The quantity per package may vary depending on the supplier.

Specifications

• Input Voltage Range: 4.5V to 25V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 20A
• Switching Frequency: Up to 1MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL6537CRZ has a total of 40 pins. Here is a detailed pin configuration:

1. VIN1: Input voltage for channel 1
2. VIN2: Input voltage for channel 2
3. VCC: Power supply voltage
4. GND: Ground
5. FB1: Feedback input for channel 1
6. COMP1: Compensation node for channel 1
7. SS1: Soft-start control for channel 1
8. PG1: Power good indicator for channel 1
9. LGATE1: Low-side gate driver output for channel 1
10. PHASE1: Phase node for channel 1
11. BOOT1: Bootstrap capacitor connection for channel 1
12. SW1: Switching node for channel 1
13. PGND1: Power ground for channel 1
14. VIN3: Input voltage for channel 3
15. VIN4: Input voltage for channel 4
16. VCC2: Power supply voltage for channel 2
17. GND2: Ground for channel 2
18. FB2: Feedback input for channel 2
19. COMP2: Compensation node for channel 2
20. SS2: Soft-start control for channel 2
21. PG2: Power good indicator for channel 2
22. LGATE2: Low-side gate driver output for channel 2
23. PHASE2: Phase node for channel 2
24. BOOT2: Bootstrap capacitor connection for channel 2
25. SW2: Switching node for channel 2
26. PGND2: Power ground for channel 2
27. VSENSE1: Current sense input for channel 1
28. VSENSE2: Current sense input for channel 2
29. VSENSE3: Current sense input for channel 3
30. VSENSE4: Current sense input for channel 4
31. VSENSE5: Current sense input for channel 5
32. VSENSE6: Current sense input for channel 6
33. VSENSE7: Current sense input for channel 7
34. VSENSE8: Current sense input for channel 8
35. VSENSE9: Current sense input for channel 9
36. VSENSE10: Current sense input for channel 10
37. VSENSE11: Current sense input for channel 11
38. VSENSE12: Current sense input for channel 12
39. VSENSE13: Current sense input for channel 13
40. VSENSE14: Current sense input for channel 14

Functional Features

• Dual synchronous buck controller with high efficiency voltage regulators
• Wide input voltage range for flexibility in various applications
• Adjustable output voltage to meet specific requirements
• High output current capability for powering demanding components
• Switching frequency up to 1MHz for efficient power conversion
• Power good indicators for monitoring the status of each channel
• Soft-start control for smooth power-up operation

Advantages and Disadvantages

Advantages: - High efficiency power management solution - Compact package size for space-constrained applications - Wide input voltage range allows for versatile use - Multiple channels provide flexibility in power distribution - Power good indicators ensure reliable operation

Disadvantages: - May require additional external components for complete power management system - Limited maximum output current compared to some other power management ICs - Higher cost compared to simpler voltage regulators

Working Principles

The ISL