SI8920BC-IPR

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SI8920BC-IPR

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IC ISOLATION 8DIP GULL WING

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Attribut Wert
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Isolation
Applications Automotive, Inverters, Power Supplies, UPS
MountingType Surface Mount
Package/Case 8-SMD, Gull Wing

Übersicht

Description

The SI8920BC-IPR is an isolated analog amplifier designed by Silicon Labs. It is primarily used for current sensing in high-voltage applications, offering precise measurement capabilities while ensuring safety through electrical isolation. The device features a wide input range and a high common-mode transient immunity, making it suitable for challenging environments such as motor drives, power inverters, and industrial systems.
The SI8920BC-IPR provides a differential input and outputs a proportional differential voltage, maintaining signal integrity over its operating range. This isolation is crucial for protecting low-voltage control systems from high-voltage circuits, reducing the risk of damage and improving reliability. With a typical bandwidth of up to 1 MHz, it can accurately track fast-changing signals.
The device is housed in a compact package, making it easy to integrate into various designs. Its robust construction and compliance with safety standards make it an attractive option for engineers looking to implement reliable current sensing solutions in high-voltage applications.

Equivalent

The SI8920BC-IPR is an isolated amplifier typically used in current sensing applications. Equivalent products might include:
1. Texas Instruments AMC1301 - isolated amplifier for current shunt monitoring.
2. Analog Devices ADuM3190 - isolated amplifier designed for current sensing.
3. Broadcom ACPL-C87B - similar functionality in current measurement applications.
These products share similar functions but may vary in specifications, so it's important to verify compatibility with your specific application requirements.

Features

The SI8920BC-IPR is a precision isolated amplifier designed for high voltage sensing in industrial and renewable energy applications. Key features include:
1. High Accuracy: Provides excellent linearity and low offset error, ensuring precise current and voltage measurements.
2. Galvanic Isolation: Offers 2 kV RMS isolation to protect systems from high voltages, ensuring safety and reliability.
3. Wide Input Range: Supports differential input voltage range, suitable for a variety of sensing applications.
4. High Bandwidth: With a bandwidth of up to 750 kHz, it is ideal for fast-changing signals.
5. Low Power Consumption: Designed for efficient operation, making it suitable for energy-sensitive applications.
6. Temperature Range: Operates over a wide temperature range, typically from -40°C to +125°C, ensuring robustness in extreme environments.
7. Compact Package: Comes in a small, surface-mount package, facilitating easy integration into space-constrained designs.
These features make the SI8920BC-IPR an excellent choice for applications requiring accurate monitoring and protection in high-voltage environments.

Pinout

The SI8920BC-IPR is an isolated amplifier produced by Silicon Labs. It is designed for measuring current through shunt resistors in high-side or low-side configurations. The device is housed in an 8-pin Small Outline Integrated Circuit (SOIC) package.
Here is a brief overview of its pin count and functions:
1. VDD1 (Pin 1): Supply voltage for the input side.
2. VSS1 (Pin 2): Ground for the input side.
3. IN+ (Pin 3): Non-inverting input for the differential signal.
4. IN- (Pin 4): Inverting input for the differential signal.
5. VSS2 (Pin 5): Ground for the output side.
6. OUT (Pin 6): Output of the amplifier.
7. VDD2 (Pin 7): Supply voltage for the output side.
8. NC (Pin 8): No connection.
This configuration provides the necessary isolation between the input and output sides, ensuring safe operation in high-voltage environments.

Manufacturer

The SI8920BC-IPR is manufactured by Silicon Labs, also known as Silicon Laboratories Inc. Silicon Labs is a technology company that specializes in the design and development of semiconductors, silicon, and software solutions for a wide range of applications. They focus on providing products for the Internet of Things (IoT), internet infrastructure, industrial automation, consumer electronics, and automotive markets. The company is known for its expertise in creating energy-efficient and high-performance devices, including microcontrollers, wireless products, sensors, timing devices, and power management solutions. Silicon Labs is recognized for its innovative approach to integrating hardware and software to deliver comprehensive solutions for complex electronic systems.

Application

The SI8920BC-IPR is a high-performance galvanic isolated amplifier primarily used in applications requiring precise current sensing and voltage measurement. Key application areas include industrial motor control, where it ensures accurate current feedback for efficient motor operation, and solar inverters, where it enhances the performance and safety of photovoltaic systems by providing isolation and precise monitoring. Additionally, it is used in power management systems, uninterruptible power supplies (UPS), and automotive applications for battery management and electric vehicle (EV) systems to ensure reliable and isolated signal processing. Its robust isolation capabilities make it suitable for systems requiring high common-mode transient immunity.

Package

The SI8920BC-IPR is an electronic component typically packaged in an 8-pin narrow-body SOIC (Small Outline Integrated Circuit). This package type is designed for surface mounting on printed circuit boards, which allows for efficient use of space and ease of assembly in electronic devices.

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