ISL6614ACB-T

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Low power consumption - Compact size - Reliable performance

Package: Chip-scale BGA (Ball Grid Array)

Essence: The ISL6614ACB-T is a power management IC designed for efficient power conversion and regulation in various electronic devices.

Packaging/Quantity: The ISL6614ACB-T is typically sold in reels, with each reel containing 250 units.

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 0.6V to 5.5V
• Maximum Continuous Output Current: 4A
• Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL6614ACB-T has a total of 20 pins. Here is the detailed pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. VCC: Supply voltage
4. BOOT: Bootstrap capacitor connection
5. PHASE: Phase node connection
6. COMP: Compensation pin
7. FB: Feedback voltage input
8. SS: Soft-start control
9. EN: Enable pin
10. PGND: Power ground
11. AGND: Analog ground
12. LGATE: Low-side gate driver output
13. UGATE: High-side gate driver output
14. BST: Bootstrap supply voltage
15. RT: External resistor for switching frequency adjustment
16. SS/TR: Soft-start time setting
17. OCSET: Overcurrent protection threshold setting
18. OCP: Overcurrent protection output
19. UVLO: Undervoltage lockout
20. VSENSE: Current sense input

Functional Features

• High-efficiency synchronous buck converter
• Adaptive dead-time control for improved efficiency
• Adjustable soft-start time
• Overcurrent protection with adjustable threshold
• Undervoltage lockout for reliable operation
• Bootstrap capacitor overvoltage protection

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Compact size allows for space-saving designs - Reliable performance ensures stable power regulation - Adaptive dead-time control improves overall efficiency

Disadvantages: - Limited maximum continuous output current (4A) - Requires external components for proper operation

Working Principles

The ISL6614ACB-T is a synchronous buck converter, which means it efficiently steps down the input voltage to a lower output voltage. It achieves this by controlling the switching of high-side and low-side MOSFETs. The adaptive dead-time control minimizes power losses during switching transitions, resulting in higher efficiency.

The IC also features overcurrent protection, undervoltage lockout, and bootstrap capacitor overvoltage protection to ensure safe and reliable operation.

Detailed Application Field Plans

The ISL6614ACB-T is commonly used in various applications, including:

1. Power supplies for computer systems
2. Industrial automation equipment
3. Telecommunications devices
4. Consumer electronics
5. LED lighting systems

Detailed and Complete Alternative Models

Here are some alternative models that offer similar functionality:

1. ISL6614BCB-T
2. ISL6614DCB-T
3. ISL6614ECB-T
4. ISL6614FCB-T

These alternative models provide comparable performance and can be considered as substitutes for the ISL6614ACB-T in different applications.

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