ISL84543CBZ

Product Overview

Category: Integrated Circuit (IC)

Use: ISL84543CBZ is a high-speed, quad-channel digital isolator designed for use in industrial automation, motor control, and power management applications. It provides galvanic isolation between different circuits, ensuring safety and preventing noise interference.

Characteristics: - High-speed data transmission - Wide operating voltage range - Robust electromagnetic compatibility (EMC) - Low power consumption - Compact package size

Package: The ISL84543CBZ comes in a small outline integrated circuit (SOIC) package, which is widely used in the electronics industry. This package offers good thermal performance and ease of soldering.

Essence: The essence of ISL84543CBZ lies in its ability to provide reliable and secure isolation between different parts of an electronic system, while maintaining high-speed data transfer.

Packaging/Quantity: The ISL84543CBZ is typically sold in reels containing 250 units per reel.

Specifications

• Supply Voltage Range: 2.25V to 5.5V
• Data Rate: Up to 100 Mbps
• Isolation Voltage: 2.5 kVrms
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOIC-16

Pin Configuration

The ISL84543CBZ has a total of 16 pins arranged as follows:

Pin 1: VDD1 Pin 2: GND1 Pin 3: CH1A Pin 4: CH1B Pin 5: NC Pin 6: NC Pin 7: CH2A Pin 8: CH2B Pin 9: GND2 Pin 10: VDD2 Pin 11: CH3A Pin 12: CH3B Pin 13: NC Pin 14: NC Pin 15: CH4A Pin 16: CH4B

Functional Features

• High-speed data transmission: The ISL84543CBZ supports data rates of up to 100 Mbps, enabling fast and efficient communication between isolated circuits.
• Robust EMC performance: This digital isolator is designed to withstand electromagnetic interference, ensuring reliable operation in noisy industrial environments.
• Low power consumption: With its low power requirements, the ISL84543CBZ helps conserve energy and prolongs battery life in portable devices.
• Wide operating voltage range: The IC can operate within a wide voltage range of 2.25V to 5.5V, making it compatible with various power supply systems.

Advantages and Disadvantages

Advantages: - Provides galvanic isolation, enhancing safety and preventing ground loop issues. - High-speed data transfer capability enables real-time communication. - Compact package size allows for space-efficient integration into electronic systems. - Wide operating voltage range ensures compatibility with different power supply configurations.

Disadvantages: - Relatively high cost compared to non-isolated alternatives. - Limited number of channels (quad-channel), may not be suitable for applications requiring more channels.

Working Principles

The ISL84543CBZ utilizes capacitive coupling and proprietary digital isolation techniques to transmit data across the isolation barrier. It employs differential signaling to achieve high noise immunity and minimize signal distortion. The internal circuitry ensures that signals are accurately transmitted while providing galvanic isolation between input and output sides.

Detailed Application Field Plans

The ISL84543CBZ finds application in various fields, including: 1. Industrial Automation: Used for isolating control signals in PLCs (Programmable Logic Controllers), motor drives, and industrial sensors. 2. Motor Control: Enables safe and reliable communication between microcontrollers and motor driver circuits. 3. Power Management: Provides isolation for voltage and current sensing in power supply systems, ensuring accurate measurements and protection.

Detailed and Complete Alternative Models

1. ADUM1400BRWZ: Quad-channel digital isolator with similar specifications and package type.
2. ISO7241CDW: High-speed quad-channel digital isolator with enhanced EMC performance.
3. MAX14850: Isolated RS-485/RS-422 transceiver with integrated protection features.

These alternative models offer similar functionality and can be considered as substitutes for the ISL84543CBZ depending on specific application requirements.

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