SI8261BBC-C-IS

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SI8261BBC-C-IS

+Nomenclature

DGTL ISO 3.75KV 1CH GT DVR 8SOIC

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Spécifications

Attribut Valeur
Part Status Active
Technology Capacitive Coupling
Number of Channels 1
Voltage - Isolation 3750Vrms
Common Mode Transient Immunity (Min) 35kV/µs
Propagation Delay tpLH / tpHL (Max) 60ns, 50ns
Pulse Width Distortion (Max) 28ns
Rise / Fall Time (Typ) 5.5ns, 8.5ns
Current - Output High, Low 500mA, 1.2A
Current - Peak Output 4A
Voltage - Forward (Vf) (Typ) 2.8V (Max)
Voltage - Output Supply 9.4V ~ 30V
Grade Automotive
Qualification AEC-Q100
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Approval Agency CQC, CSA, UR, VDE
Base Product Number SI8261
Current - DC Forward (If) (Max) 30 mA

Présentation

Description

The SI8261BBC-C-IS is an integrated circuit from the Silicon Labs SI826x series, which comprises isolated gate drivers. These drivers are designed to provide high-performance and reliable control for power transistors like MOSFETs and IGBTs in various applications including industrial, automotive, and power supply systems. The SI8261BBC-C-IS model specifically provides reinforced isolation and can handle up to 5 kV peak isolation voltage, which enhances safety and performance in high-voltage environments.
This device features robust noise immunity and fast switching capabilities, ensuring efficient power conversion and management. The integrated circuit also offers protection features such as under-voltage lockout and fault reporting to prevent damage under abnormal conditions. Encased in a compact and thermally efficient package, the SI8261BBC-C-IS is suitable for space-constrained designs.
The device is rated for operation across a wide temperature range, making it versatile for various industrial settings. It supports different input logic levels and integrates seamlessly into existing systems, making it a reliable choice for engineers seeking high-quality isolated gate drivers.

Equivalent

The SI8261BBC-C-IS is a digital isolator from Silicon Labs. Equivalent products include the Texas Instruments ISO7721, Analog Devices ADuM3210, and Broadcom ACPL-062L. These alternatives offer similar isolation capabilities and are used in applications requiring digital signal isolation. When selecting an equivalent, ensure compatibility with your specific requirements such as data rate, isolation voltage, and packaging. Always refer to the specific datasheets to confirm equivalent functionality and performance.

Features

The SI8261BBC-C-IS is an isolated gate driver designed for driving power MOSFETs and IGBTs. Key features include:
1. Isolation: Provides galvanic isolation between the input and output, enhancing safety and reducing noise interference.
2. High-Speed Performance: Capable of fast switching, which improves efficiency and reduces switching losses in power applications.
3. Output Drive Capability: Can source or sink sufficient current to drive the gates of power transistors effectively.
4. Protection Features: Includes under-voltage lockout (UVLO) to protect against insufficient supply voltage.
5. Wide Temperature Range: Designed to operate in industrial temperature ranges, making it suitable for harsh environments.
6. Compact Package: Available in a small package, saving space on printed circuit boards.
7. Low Propagation Delay: Ensures minimal delay time between input signal and output response, crucial for high-frequency switching applications.
These features make the SI8261BBC-C-IS suitable for various applications, including power converters, motor drives, and renewable energy systems.

Pinout

The SI8261BBC-C-IS is an isolated gate driver IC manufactured by Silicon Labs. It features an 8-pin configuration. This device is typically used for driving power transistors like MOSFETs and IGBTs, providing isolation between the low-voltage control side and the high-voltage power side. The isolation helps protect sensitive microcontrollers or control circuits from high voltages present in power electronics applications.
The main functions of the SI8261BBC-C-IS include:
1. Galvanic Isolation: Provides a safety barrier between the input and output up to a specified isolation voltage.
2. Gate Driving: Capable of sourcing and sinking current to turn power transistors on and off efficiently.
3. High-Speed Operation: Supports fast switching frequencies, crucial for modern power conversion applications.
4. Protection Features: May include under-voltage lockout and short-circuit protection to enhance reliability.
This gate driver is commonly used in applications such as motor drives, power supplies, and inverters, where robust isolation and efficient transistor driving are required.

Manufacturer

The SI8261BBC-C-IS is manufactured by Silicon Labs. Silicon Labs is a technology company that specializes in the design and development of semiconductors, software, and solutions for the Internet of Things (IoT), internet infrastructure, industrial automation, consumer, and automotive markets. They focus on providing innovative solutions that are energy-efficient, offer robust wireless connectivity, and are equipped with advanced microcontroller technologies.

Application

The SI8261BBC-C-IS is a digital isolator typically used in applications requiring electrical isolation between different system components. Key application areas include:
1. Industrial Automation: Protects control systems from high-voltage transients and ensures signal integrity.
2. Power Electronics: Provides isolation in inverter and converter circuits to protect low-voltage control sections.
3. Motor Control: Offers isolation for motor drive circuits, improving safety and performance.
4. Renewable Energy Systems: Used in solar inverters and wind turbines for reliable operation.
5. Medical Devices: Ensures safety by isolating patient-connected equipment.
6. Data Acquisition Systems: Maintains signal fidelity across isolated sections.
These applications leverage the device's ability to provide robust electrical isolation, enhancing safety and performance.

Package

The SI8261BBC-C-IS is typically available in an 8-pin wide-body SOIC (Small Outline Integrated Circuit) package. This surface-mount package type is designed to provide isolation in electronic circuits and is often used in applications requiring high voltage isolation.

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