ISL84544CP

Product Overview

Category: Integrated Circuit (IC)

Use: The ISL84544CP is a high-speed, quad-channel digital isolator designed for use in various electronic applications. It provides galvanic isolation between different parts of a circuit, ensuring signal integrity and protection against voltage spikes and noise.

Characteristics: - High-speed data transmission - Low power consumption - Wide operating temperature range - Robust isolation barrier - Small form factor

Package: The ISL84544CP comes in a compact 16-pin plastic package, which is suitable for surface mount technology (SMT) assembly. This package offers excellent thermal performance and ease of integration into electronic systems.

Essence: The essence of the ISL84544CP lies in its ability to provide reliable and secure isolation between different sections of an electronic circuit, preventing any unwanted electrical interactions.

Packaging/Quantity: The ISL84544CP is typically available in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage: 3.0V to 5.5V
• Data Rate: Up to 100 Mbps
• Isolation Voltage: 2.5 kVrms
• Operating Temperature Range: -40°C to +125°C
• Propagation Delay: 10 ns (max)
• Rise/Fall Time: 4 ns (typ)
• Output Current: ±4 mA (max)

Pin Configuration

The ISL84544CP features a 16-pin configuration, as shown below:

___________ | | 1 | | 16 |___________|

Pin Description: 1. VDD1: Positive supply voltage for Channel 1 2. GND1: Ground for Channel 1 3. VDD2: Positive supply voltage for Channel 2 4. GND2: Ground for Channel 2 5. VDD3: Positive supply voltage for Channel 3 6. GND3: Ground for Channel 3 7. VDD4: Positive supply voltage for Channel 4 8. GND4: Ground for Channel 4 9. NC: No Connection 10. A1: Input/Output for Channel 1 11. B1: Input/Output for Channel 1 12. A2: Input/Output for Channel 2 13. B2: Input/Output for Channel 2 14. A3: Input/Output for Channel 3 15. B3: Input/Output for Channel 3 16. A4: Input/Output for Channel 4

Functional Features

• High-speed data transmission: The ISL84544CP supports data rates of up to 100 Mbps, making it suitable for applications requiring fast and reliable communication.
• Robust isolation barrier: With an isolation voltage of 2.5 kVrms, the IC provides a strong barrier between input and output channels, ensuring safe operation in high-voltage environments.
• Low power consumption: The IC is designed to minimize power consumption, making it ideal for battery-powered devices or energy-efficient systems.
• Wide operating temperature range: The ISL84544CP can operate reliably in a wide temperature range from -40°C to +125°C, enabling its use in various industrial and automotive applications.

Advantages and Disadvantages

Advantages: - Provides galvanic isolation, protecting sensitive components from electrical noise and voltage spikes. - High-speed data transmission capability enables efficient communication between different parts of a circuit. - Compact package allows for easy integration into electronic systems. - Wide operating temperature range ensures reliability in harsh environments.

Disadvantages: - Limited number of channels (4 channels) may not be sufficient for applications requiring a higher number of isolated channels. - Higher cost compared to non-isolated alternatives.

Working Principles

The ISL84544CP utilizes optical or magnetic isolation techniques to achieve galvanic isolation between its input and output channels. This isolation prevents the flow of electrical current, while allowing the transmission of digital signals through an optocoupler or magnetic field coupling. The IC's internal circuitry ensures accurate signal transfer and provides protection against voltage transients.

Detailed Application Field Plans

The ISL84544CP finds application in various fields, including:

1. Industrial Automation: It is used in PLCs (Programmable Logic Controllers), motor control systems, and industrial communication networks to ensure reliable data transmission and protect sensitive equipment from electrical noise.

2. Automotive Electronics: The IC is employed in automotive systems such as electric power steering, engine control units, and battery management systems to provide isolation and enhance system safety and performance.

3. Medical Devices: It is utilized in medical equipment like patient monitoring systems, infusion pumps, and diagnostic devices to