ISL6522BIR-T

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency voltage regulator - Low power consumption - Wide input voltage range - Overcurrent protection - Thermal shutdown protection

Package: 32-Lead QFN (Quad Flat No-Lead)

Essence: The ISL6522BIR-T is a power management IC designed for efficient voltage regulation in various electronic devices.

Packaging/Quantity: The ISL6522BIR-T is typically sold in reels of 2500 units.

Specifications

The key specifications of the ISL6522BIR-T are as follows:

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 3A
• Switching Frequency: 300kHz
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ISL6522BIR-T features a 32-pin QFN package with the following pin configuration:

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

Functional Features

The ISL6522BIR-T offers the following functional features:

• Integrated synchronous buck controller
• Adjustable output voltage
• Soft-start and tracking functions
• Overcurrent protection with hiccup mode
• Thermal shutdown protection
• Power good indicator

Advantages and Disadvantages

Advantages: - High efficiency power management - Wide input voltage range for versatile applications - Compact package size for space-constrained designs - Comprehensive protection features ensure device safety

Disadvantages: - Limited maximum output current of 3A - Requires external components for complete power management solution

Working Principles

The ISL6522BIR-T operates as a synchronous buck controller, regulating the output voltage based on the feedback signal. It utilizes pulse-width modulation (PWM) to control the duty cycle of the switching transistor, achieving efficient voltage conversion. The soft-start and tracking functions ensure smooth startup and accurate voltage tracking during load changes. The overcurrent protection and thermal shutdown features safeguard the IC and connected devices from damage.

Detailed Application Field Plans

The ISL6522BIR-T finds applications in various electronic devices requiring efficient power management, such as: - Mobile devices - Networking equipment - Industrial automation systems - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the ISL6522BIR-T are: - LM2596S-ADJ - TPS54331 - LT8610AB

These models provide comparable voltage regulation capabilities and protection features, catering to different design requirements.

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