The SI88322BC-ISR is a digital isolator with an integrated isolated power supply, manufactured by Skyworks Solutions Inc. This device combines robust galvanic isolation for data communication with an integrated DC-DC converter, providing isolated power to the secondary side. This integration simplifies designs, reduces board space, and enhances system reliability in various industrial and automotive applications.

Applications

• Isolated Gate Drivers: Provides isolated power and data communication for gate drivers in motor control and power conversion applications.
• Industrial Automation: Used in programmable logic controllers (PLCs), input/output modules, and communication interfaces to isolate control signals and power sensitive circuitry.
• Power Supplies: Isolates control circuits from high-voltage stages in power supplies, DC-DC converters, and inverters.
• Medical Equipment: Provides signal and power isolation in patient monitoring devices, diagnostic equipment, and other medical instruments.
• Automotive Systems: Used in electric vehicle (EV) charging systems, battery management systems (BMS), and automotive communication networks to isolate control signals and power.

Features

• Integrated Isolated Power Supply: Includes a DC-DC converter that provides isolated power to the secondary side, eliminating the need for a separate isolated power supply.
• Dual-Channel Digital Isolator: Offers two independent isolation channels for transmitting digital signals across the isolation barrier.
• Galvanic Isolation: Provides robust isolation between input and output channels, enhancing safety and preventing ground loops.
• High Data Rate: Supports high-speed data transmission, enabling fast and reliable communication.
• Low Power Consumption: Designed for energy-efficient operation, minimizing power dissipation in isolated systems.
• Wide Input Voltage Range: Accepts a wide range of input voltages, providing flexibility in system design.
• Robust Noise Immunity: Offers high immunity to noise and transient disturbances, ensuring reliable data transmission.

Benefits

• Simplified Design: The integration of both signal and power isolation in a single package simplifies system design, reduces component count, and saves board space.
• Enhanced Safety: Galvanic isolation provides a high level of safety by preventing high-voltage transients from propagating to sensitive circuitry.
• Improved Performance: High data rate and robust noise immunity ensure fast and reliable communication, enhancing overall system performance.
• Reduced Power Consumption: Low power consumption minimizes energy dissipation, improving system efficiency and reducing operating costs.
• Increased Reliability: Robust design and high noise immunity ensure reliable operation in harsh environments, extending the lifespan of the system.

Additional Details

The SI88322BC-ISR operates over a wide temperature range, making it suitable for use in industrial and automotive environments. It is designed to meet stringent industry standards for safety and reliability. The device is available in various package options to accommodate different mounting requirements.