SI8621EC-B-ISR

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SI8621EC-B-ISR

+BOM

DGTL ISOLTR 3.75KV 2CH GP 8-SOIC

  • メーカースカイワークス・ソリューションズ株式会社

  • メーカー品番 #SI8621EC-B-ISR

  • データシート SI8621EC-B-ISR DataSheet

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仕様

属性
Part Status Active
Base Product Number SI8621
Technology Capacitive Coupling
Type General Purpose
Isolated Power No
Number of Channels 2
Inputs - Side 1 / Side 2 1/1
Channel Type Unidirectional
Voltage - Isolation 3750Vrms
Common Mode Transient Immunity (Min) 35kV/µs
Data Rate 150Mbps
Propagation Delay tp LH / tp HL (Max) 13ns, 13ns
Pulse Width Distortion (Max) 4.5ns
Rise / Fall Time (Typ) 2.5ns, 2.5ns
Voltage - Supply 2.5V ~ 5.5V
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Packaging Cut Tape (CT), Tape & Reel (TR)

概要

Description

The SI8621EC-B-ISR is a digital isolator from Silicon Labs, designed to provide robust galvanic isolation between different parts of a circuit. Typically used in applications like industrial automation, power supplies, and communication systems, this component ensures signal integrity and user safety by preventing direct electrical connection between its input and output. It features a single channel with a maximum data rate of 150 Mbps and operates at a wide temperature range. The device utilizes Silicon Labs' patented CMOS isolation technology, offering superior performance, reliability, and longevity compared to traditional optocouplers.
Key features include a high isolation voltage rating, low power consumption, and high-speed operation. Its compact package makes it suitable for space-constrained designs. The SI8621EC-B-ISR also provides common-mode transient immunity, enhancing resilience against electrical noise. This digital isolator is crucial for designs requiring data coupling across different voltage domains while maintaining electrical isolation, contributing to overall system efficiency and safety.

Equivalent

The SI8621EC-B-ISR is a digital isolator from Silicon Labs. Equivalent products would include similar digital isolators from other manufacturers. Some possible equivalents are:
1. ADuM1201 by Analog Devices
2. ISO7221 by Texas Instruments
3. MAX14930 by Maxim Integrated
These alternatives offer comparable isolation capabilities but may vary in specifications such as data rate, channel configuration, and supply voltage. Always verify the electrical characteristics and pin compatibility when choosing a replacement.

Features

The SI8621EC-B-ISR is a digital isolator designed for applications requiring secure data transmission across isolation barriers. Key features include:
1. Isolation Rating: Provides robust galvanic isolation up to 2.5 kVrms, ensuring safety and signal integrity in high-voltage environments.
2. Data Rate: Supports data rates up to 150 Mbps, making it suitable for high-speed digital communications.
3. Low Propagation Delay: Offers low propagation delay with minimal pulse width distortion, enhancing performance in timing-sensitive applications.
4. Wide Temperature Range: Operates effectively in a broad temperature range from -40°C to +125°C, catering to various industrial and automotive applications.
5. Supply Voltage: Accommodates a wide supply voltage range, typically from 2.5V to 5.5V, providing flexibility in system design.
6. Compact Package: Available in a small, space-saving package, facilitating easy integration into compact designs.
7. EMC Robustness: Built with strong electromagnetic compatibility, reducing the risk of interference in dense electronic environments.
8. Low Power Consumption: Features efficient power usage, which is critical for battery-powered or energy-sensitive applications.
These features make the SI8621EC-B-ISR a versatile choice for applications requiring reliable isolation and communication between different system parts.

Pinout

The SI8621EC-B-ISR is a digital isolator from Silicon Labs, designed for isolating digital signals. It typically features a configuration of 6 pins. Its primary function is to provide galvanic isolation between different sections of a circuit, which helps in preventing noise coupling and ensuring signal integrity across isolated boundaries. This device is commonly used in applications requiring isolated data transmission, such as in industrial automation, medical equipment, and power supplies.

Manufacturer

The SI8621EC-B-ISR is manufactured by Silicon Labs. Silicon Labs, officially known as Silicon Laboratories Inc., is a technology company that specializes in designing and developing semiconductor devices, software, and solutions. The company is primarily known for its work in the Internet of Things (IoT) sector, providing integrated circuits, microcontrollers, sensors, and wireless connectivity solutions. Their products are widely used in various industries, including consumer electronics, automotive, industrial automation, and home automation, among others. Silicon Labs is headquartered in Austin, Texas, and is recognized for its innovative contributions to the semiconductor industry, particularly in the areas of energy efficiency and wireless communication technology.

Application

The SI8621EC-B-ISR is a digital isolator designed for applications requiring high-speed data transmission and robust isolation. It is commonly used in:
1. Industrial Automation: Provides isolation in control systems and communication buses.
2. Power Electronics: Ensures safe communication between high and low voltage sides in inverters and converters.
3. Renewable Energy: Used in solar inverters and wind turbine control systems for galvanic isolation.
4. Automotive Systems: Facilitates secure data transfer in electric vehicles and battery management systems.
5. Medical Devices: Provides isolation in patient-connected equipment to ensure safety.
6. Telecommunications: Used in networking equipment for signal integrity and isolation.
These applications benefit from the device’s high noise immunity and data rate capabilities.

Package

The SI8621EC-B-ISR is an isolator IC from Silicon Labs, featuring a narrow-body SOIC-8 package. This package type typically has 8 pins and is designed for surface mounting on PCBs, providing electrical isolation and signal integrity in various applications.

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