ISL6612AEIB-T

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

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

Package: 16-Lead, 4mm x 4mm TQFN

Essence: The ISL6612AEIB-T is a power management IC designed for high-efficiency DC/DC converters.

Packaging/Quantity: The ISL6612AEIB-T is available in a 16-Lead, 4mm x 4mm Thin Quad Flat No-Lead (TQFN) package. It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 0.8V to 6V
• Maximum Continuous Output Current: 12A
• Switching Frequency: Up to 1MHz
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The ISL6612AEIB-T has the following pin configuration:

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

Functional Features

• High-efficiency synchronous buck controller
• Adaptive non-overlapping gate drive
• Adjustable soft-start time
• Overcurrent protection with adjustable threshold
• Thermal shutdown protection
• Power good indicator

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range allows for versatile applications - Overcurrent and thermal shutdown protection enhance system reliability - Power good indicator provides system status feedback

Disadvantages: - Limited maximum continuous output current (12A)

Working Principles

The ISL6612AEIB-T is a synchronous buck controller that regulates the output voltage by adjusting the duty cycle of the high-side and low-side MOSFETs. It utilizes adaptive non-overlapping gate drive to minimize switching losses and improve efficiency. The IC also features overcurrent protection, which limits the output current to protect the system components. In case of excessive temperature, the thermal shutdown protection activates to prevent damage to the IC.

Detailed Application Field Plans

The ISL6612AEIB-T is commonly used in various applications, including:

1. Point-of-Load (POL) converters
2. Distributed power systems
3. Telecom and networking equipment
4. Industrial automation
5. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the ISL6612AEIB-T include:

1. LTC3850: Synchronous step-down DC/DC controller
2. TPS54332: 3.5V to 28V input, 3A output synchronous buck converter
3. MAX15062: High-efficiency, synchronous step-down DC/DC converter
4. ADP2386: 4.5V to 18V input, 8A output synchronous buck converter
5. FAN5333: 4.5V to 18V input, 3A output synchronous buck converter

These alternative models offer similar functionality and can be considered based on specific application requirements.

In conclusion, the ISL6612AEIB-T is a high-efficiency power management IC designed for DC/DC converters. It offers various features such as overcurrent protection, thermal shutdown protection, and a wide input voltage range. With its compact package and versatile applications, it is widely used in different industries.