ISL88550AIRZ-T

Product Overview

Category: Integrated Circuits (ICs)

Use: Power Management IC

Characteristics: - High efficiency - Low power consumption - Small form factor - Wide input voltage range - Multiple protection features

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

Essence: The ISL88550AIRZ-T is a power management IC designed for efficient power conversion and management in various electronic devices.

Packaging/Quantity: The ISL88550AIRZ-T is available in a 32-Lead QFN package. It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 0.6V to 5.5V
• Maximum Output Current: 3A
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL88550AIRZ-T has a total of 32 pins. Here is the detailed pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. VOUT: Output voltage
4. EN: Enable pin
5. FB: Feedback pin
6. COMP: Compensation pin
7. SS: Soft-start pin
8. PGND: Power ground
9. BST: Boost pin
10. SW: Switching node
11. AGND: Analog ground
12. VCC: Supply voltage
13. PG: Power good indicator
14. SYNC: Synchronization pin
15. CLK: Clock input
16. MODE: Mode selection pin
17. ISET: Current limit setting pin
18. SS/TRK: Soft-start/tracking pin
19. OCSET: Overcurrent protection setting pin
20. UVLO: Undervoltage lockout pin
21. OVP: Overvoltage protection pin
22. VSENSE: Voltage sense pin
23. ISENSE: Current sense pin
24. VREF: Reference voltage pin
25. AGND: Analog ground
26. AGND: Analog ground
27. AGND: Analog ground
28. AGND: Analog ground
29. AGND: Analog ground
30. AGND: Analog ground
31. AGND: Analog ground
32. AGND: Analog ground

Functional Features

• Wide input voltage range allows for compatibility with various power sources.
• High efficiency ensures minimal power loss during conversion.
• Multiple protection features such as overcurrent protection, undervoltage lockout, and overvoltage protection enhance the safety and reliability of the system.
• Soft-start feature enables smooth startup and reduces inrush current.
• Synchronization capability allows for synchronization with an external clock source.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption. - Wide input voltage range provides flexibility in power source selection. - Compact package size saves board space. - Multiple protection features enhance system reliability.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Lack of detailed documentation on specific application scenarios.

Working Principles

The ISL88550AIRZ-T is a power management IC that utilizes various internal circuitry to efficiently convert and manage power. It incorporates a boost converter, synchronous buck converter, and control circuitry to regulate the input voltage and provide a stable output voltage. The control circuitry monitors the input and output voltages, adjusts the switching frequency, and controls the operation of the converters to maintain the desired output voltage.

Detailed Application Field Plans

The ISL88550AIRZ-T is commonly used in the following applications:

1. Portable electronic devices: The IC's small form factor and high efficiency make it suitable for power management in smartphones, tablets, and wearable devices.
2. Industrial equipment: The wide input voltage range and multiple protection features make it ideal for use in industrial control systems, motor drives, and power supplies.
3. Automotive electronics: The IC's robust design and temperature range enable its use in automotive applications such as infotainment systems, lighting controls, and power distribution modules.

Detailed and Complete Alternative Models

• ISL88550AIRZ
• ISL88550AIRZ-T7A
• ISL88550AIRZ-T13A
• ISL88550AIRZ-T14A
• ISL88550AIRZ-T15A

These alternative models offer similar functionality and characteristics to the ISL88550AIRZ-T and can be considered as alternatives based on specific requirements and availability.

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