ISL6563IR

Product Overview

Category

ISL6563IR belongs to the category of integrated circuits (ICs) used in power management applications.

Use

The ISL6563IR is primarily used for voltage regulator modules (VRMs) in computer systems and other electronic devices. It provides efficient power conversion and control for various components within these systems.

Characteristics

• High efficiency: The ISL6563IR offers high efficiency power conversion, reducing energy waste and improving overall system performance.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for different power supply configurations.
• Advanced protection features: The IC incorporates various protection mechanisms such as overcurrent protection, overvoltage protection, and thermal shutdown, ensuring safe operation under different conditions.

Package

ISL6563IR is available in a small outline integrated circuit (SOIC) package. This package provides a compact form factor and ease of integration into circuit boards.

Essence

The essence of ISL6563IR lies in its ability to efficiently regulate and convert power for VRMs, enabling stable and reliable operation of electronic devices.

Packaging/Quantity

ISL6563IR is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 24V
• Output Voltage Range: 0.6V to 5.5V
• Maximum Output Current: 20A
• Switching Frequency: 300kHz to 1MHz
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The ISL6563IR has the following pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. COMP: Compensation pin for feedback control loop
4. FB: Feedback voltage pin
5. VCC: Power supply voltage for internal circuitry
6. LGATE: Low-side MOSFET gate driver output
7. PGND: Power ground
8. BOOT: Bootstrap capacitor connection
9. PHASE: Phase node connection
10. UGATE: High-side MOSFET gate driver output
11. SS: Soft-start pin
12. RT: Timing resistor connection for switching frequency control

Functional Features

• Voltage regulation: The ISL6563IR provides precise voltage regulation, ensuring stable power supply to the VRM.
• Current sensing and protection: It incorporates current sensing mechanisms to monitor and protect against overcurrent conditions.
• Adaptive dead-time control: The IC optimizes the dead time between high-side and low-side MOSFETs, minimizing power losses and improving efficiency.
• Fault detection and reporting: It can detect various faults such as overvoltage, undervoltage, and overtemperature conditions, providing feedback for system monitoring and protection.

Advantages and Disadvantages

Advantages

• High efficiency power conversion
• Wide input voltage range
• Advanced protection features
• Compact package size

Disadvantages

• Limited maximum output current (20A)

Working Principles

The ISL6563IR operates based on a pulse-width modulation (PWM) control scheme. It regulates the output voltage by adjusting the duty cycle of the PWM signal. By monitoring the feedback voltage and comparing it with a reference voltage, the IC adjusts the duty cycle to maintain the desired output voltage.

Detailed Application Field Plans

The ISL6563IR is commonly used in the following applications:

1. Computer systems: It is widely employed in desktop computers, servers, and workstations to regulate power supply voltages for various components such as CPUs, GPUs, and memory modules.
2. Telecommunications equipment: The IC finds application in telecommunications infrastructure, providing power management for networking devices, base stations, and routers.
3. Industrial equipment: It is used in industrial automation systems, motor control units, and power supplies to ensure stable and efficient power delivery.

Detailed and Complete Alternative Models

• ISL6563CR
• ISL6563ER
• ISL6563FR
• ISL6563GR

These alternative models offer similar functionality and characteristics to the ISL6563IR, providing flexibility in design and component selection.

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