ISL6594ACR-T

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Wide input voltage range - Low quiescent current - Overcurrent protection - Thermal shutdown protection

Package: 16-Lead QSOP

Essence: The ISL6594ACR-T is a power management IC designed for various applications that require efficient power conversion and management.

Packaging/Quantity: The ISL6594ACR-T is available in a 16-Lead QSOP package. It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: 0.6V to 55V
• Maximum Continuous Output Current: 1A
• Switching Frequency: Up to 2MHz
• Quiescent Current: 25µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The ISL6594ACR-T has the following pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. VCC: Supply voltage
4. FB: Feedback voltage
5. COMP: Compensation pin
6. SS/TR: Soft-start/Tracking pin
7. EN: Enable pin
8. PG: Power good indicator
9. LX: Switch node
10. BST: Bootstrap capacitor connection
11. AGND: Analog ground
12. RT: Timing resistor
13. CT: Timing capacitor
14. OCSET: Overcurrent protection threshold setting
15. SS/TR: Soft-start/Tracking pin
16. VCC: Supply voltage

Functional Features

• Wide input voltage range allows for versatile applications.
• High efficiency conversion minimizes power loss.
• Overcurrent protection ensures safe operation.
• Thermal shutdown protection prevents overheating.
• Soft-start and tracking features enable controlled startup.

Advantages

• High efficiency results in reduced power consumption.
• Wide input voltage range allows for compatibility with various power sources.
• Overcurrent protection enhances system safety.
• Thermal shutdown protection prevents damage due to excessive heat.
• Soft-start and tracking features enable smooth startup.

Disadvantages

• Limited maximum continuous output current of 1A may not be suitable for high-power applications.
• Switching frequency up to 2MHz may introduce electromagnetic interference in sensitive systems.

Working Principles

The ISL6594ACR-T operates as a buck converter, converting a higher input voltage to a lower output voltage. It utilizes pulse-width modulation (PWM) to control the switching of the internal power MOSFET. The feedback loop adjusts the duty cycle of the PWM signal to regulate the output voltage. Various protection mechanisms, such as overcurrent and thermal shutdown, ensure safe and reliable operation.

Detailed Application Field Plans

The ISL6594ACR-T is commonly used in the following applications:

1. Power supplies for industrial equipment
2. Automotive electronics
3. Telecommunications infrastructure
4. LED lighting systems
5. Battery charging circuits
6. Distributed power systems

Detailed and Complete Alternative Models

1. ISL6594BCR-T
2. ISL6594DCR-T
3. ISL6594ECR-T
4. ISL6594FCR-T
5. ISL6594GCR-T

These alternative models offer similar functionality and specifications, providing flexibility in choosing the most suitable power management IC for specific applications.

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