ISL6614ACB

Product Overview

Category

ISL6614ACB belongs to the category of integrated circuits (ICs).

Use

The ISL6614ACB is primarily used as a high-performance, dual synchronous buck controller for voltage regulation applications.

Characteristics

• High efficiency and accuracy in voltage regulation.
• Dual-channel design for simultaneous control of two independent outputs.
• Wide input voltage range.
• Adjustable switching frequency.
• Overcurrent protection.
• Thermal shutdown protection.

Package

The ISL6614ACB is available in a compact 20-pin QFN package.

Essence

The essence of the ISL6614ACB lies in its ability to efficiently regulate voltage in various electronic devices and systems.

Packaging/Quantity

The ISL6614ACB is typically packaged in reels containing 250 units.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 0.6V to 5.5V
• Switching Frequency Range: 100kHz to 1MHz
• Maximum Duty Cycle: 95%
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ISL6614ACB features the following pin configuration:

1. VIN1: Input voltage for channel 1
2. BOOT1: Bootstrap capacitor connection for channel 1
3. PHASE1: Phase node for channel 1
4. GND1: Ground for channel 1
5. FB1: Feedback input for channel 1
6. COMP1: Compensation node for channel 1
7. SS1: Soft-start control for channel 1
8. VCC: Power supply voltage
9. PGND: Power ground
10. EN: Enable control
11. SS2: Soft-start control for channel 2
12. COMP2: Compensation node for channel 2
13. FB2: Feedback input for channel 2
14. GND2: Ground for channel 2
15. PHASE2: Phase node for channel 2
16. BOOT2: Bootstrap capacitor connection for channel 2
17. VIN2: Input voltage for channel 2
18. VCCSENSE: Voltage sensing for VCC
19. VREF: Reference voltage output
20. SS/TRK: Soft-start tracking control

Functional Features

1. Dual Synchronous Buck Control: Allows independent regulation of two outputs simultaneously.
2. Adjustable Switching Frequency: Provides flexibility in optimizing efficiency and performance.
3. Overcurrent Protection: Safeguards against excessive current flow, preventing damage to the system.
4. Thermal Shutdown Protection: Automatically shuts down the device when the temperature exceeds a safe threshold.

Advantages and Disadvantages

Advantages

• High efficiency in voltage regulation.
• Dual-channel design for versatile applications.
• Wide input voltage range accommodates various power sources.
• Overcurrent and thermal protection ensure system safety.

Disadvantages

• Limited availability in alternative package options.
• May require additional external components for specific applications.

Working Principles

The ISL6614ACB operates based on the principles of synchronous buck conversion. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage. By controlling the switching frequency and duty cycle, it adjusts the power delivered to the load, ensuring stable and accurate voltage regulation.

Detailed Application Field Plans

The ISL6614ACB finds extensive application in various fields, including: - Power supplies for computer systems - Industrial automation equipment - Telecommunications infrastructure - Automotive electronics - Renewable energy systems

Alternative Models

For those seeking alternatives to the ISL6614ACB, the following models provide similar functionality: - ISL6614BCB - ISL6614CCB - ISL6614DCB

These models offer comparable features and can be considered as suitable replacements for the ISL6614ACB.

In conclusion, the ISL6614ACB is a high-performance dual synchronous buck controller that excels in voltage regulation applications. Its efficiency, dual-channel design, and comprehensive protection features make it a reliable choice for various electronic systems.