SI8234BB-D-IMR

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SI8234BB-D-IMR

+Nomenclature

DGTL ISO 2.5KV 2CH GT DVR 14LGA

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Spécifications

Attribut Valeur
PartStatus Active
Technology Capacitive Coupling
NumberofChannels 2
Voltage-Isolation 2500Vrms
CommonModeTransientImmunity(Min) 20kV/µs
PropagationDelaytpLH/tpHL(Max) 60ns, 60ns
PulseWidthDistortion(Max) 5.6ns
Rise/FallTime(Typ) 12ns, 12ns (Max)
Current-OutputHigh,Low 2A, 4A
Current-PeakOutput 4A
Voltage-OutputSupply 9.4V ~ 24V
Grade Automotive
Qualification AEC-Q100
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 14-VFLGA
SupplierDevicePackage 14-LGA (5x5)
ApprovalAgency CQC, CSA, UR, VDE
BaseProductNumber SI8234

Présentation

Description

The SI8234BB-D-IMR is a part of Silicon Labs' SI8234 series, which consists of isolated gate drivers. These devices are designed to provide reliable and efficient isolation for driving power transistors in various applications, such as power supplies, motor control, and renewable energy systems. The "BB" denotes specific performance characteristics, and the "IMR" suffix indicates the package type and temperature rating.
Key features of the SI8234BB-D-IMR include high-speed operation with short propagation delays, robust isolation voltage ratings, and compatibility with both silicon and silicon carbide MOSFETs or IGBTs. The device is engineered to enhance system efficiency and reliability with its low-power consumption and high common-mode transient immunity. Additionally, its isolation technology helps protect low-voltage circuitry from high-voltage transients.
The SI8234BB-D-IMR is also valued for its ease of integration into designs requiring galvanic isolation, thanks to its compact design and compliance with safety standards. Overall, it is a versatile solution for safely driving high-power electronic systems.

Equivalent

The SI8234BB-D-IMR is a dual isolated gate driver from Silicon Labs. Equivalent products could include:
1. TI ISO5452
2. ADuM3223 from Analog Devices
3. Avago ACPL-332J
4. Infineon 1ED020I12-F2
These products offer similar functionalities such as isolated gate driving capability, comparable isolation voltages, and drive strength suitable for applications involving IGBTs, MOSFETs, or SiC MOSFETs. Always check datasheets to confirm compatibility for specific applications.

Features

The SI8234BB-D-IMR is a robust dual isolated gate driver from Silicon Labs, designed for driving power MOSFETs and IGBTs. Key features include:
1. Isolation: Provides a high level of galvanic isolation (up to 5 kV) between the input and output, ensuring safety and signal integrity in high-voltage applications.
2. Output Channels: Dual independent output channels, allowing for the control of two separate transistors.
3. Output Current: Capable of delivering output peak currents of up to 4 A, suitable for driving large power devices.
4. UVLO Protection: Incorporates Under-Voltage Lockout (UVLO) protection on both the low and high sides to prevent faulty operations under low supply voltage conditions.
5. Propagation Delay: Features low propagation delay and jitter, ensuring fast and reliable switching performance.
6. Temperature Range: Operates over a wide temperature range from -40°C to +125°C, suitable for demanding environments.
7. Package: Comes in an industry-standard 16-pin wide-body SOIC package.
These features make the SI8234BB-D-IMR ideal for applications like power converters, inverters, and motor drives where isolation and reliable high-speed switching are crucial.

Pinout

The SI8234BB-D-IMR is a digital isolator with a dual-channel isolated driver from Silicon Labs. It typically comes in a 16-pin package. The main function of this device is to provide isolation between input and output, which is crucial in applications like power supply circuits and motor drives where high voltage levels need to be controlled safely.
Its key features include:
1. Isolation: Provides 2.5 kVrms isolation between input and output.
2. Channels: Dual driver channels allowing for independent or complementary PWM signals.
3. Wide Supply Range: Accepts a wide supply voltage range, making it versatile for different applications.
4. High Speed: Capable of high-speed operation, typically up to several MHz.
5. Protection Features: Includes under-voltage lockout and thermal shutdown for reliability and safety.
The device is used for driving power transistors like MOSFETs or IGBTs in a high-voltage domain from a low-voltage control input, ensuring safety and performance in electrically noisy environments.

Manufacturer

The SI8234BB-D-IMR is manufactured by Skyworks Solutions, Inc. Skyworks is a semiconductor company that specializes in producing a wide range of analog and mixed-signal semiconductors. They are known for providing solutions that enable wireless networking, particularly in areas such as mobile communications, automotive, broadband, and the Internet of Things (IoT). Skyworks' products are integral to enabling connectivity and enhancing functionality across various industries, making them a key player in the field of RF (radio frequency) and wireless communication technologies.

Application

The SI8234BB-D-IMR is a dual-isolated gate driver commonly used in applications requiring high-voltage isolation and robust performance. Key application areas include:
1. Power Supply Systems: Used for driving power transistors in switch-mode power supplies.
2. Motor Control: Provides isolation and gate driving for IGBTs or MOSFETs in motor drives.
3. Renewable Energy Systems: Applies to photovoltaic inverters and wind turbine converters.
4. Industrial Automation: Facilitates robust signal isolation in industrial control systems.
5. Electric Vehicles: Utilized in battery management systems and inverter circuits.
6. LED Drivers: Helps in powering and controlling high-efficiency LED lighting systems.
These applications benefit from its high isolation voltage, fast switching speeds, and reliability.

Package

The SI8234BB-D-IMR is a digital isolator from Silicon Labs, typically used in applications requiring isolated gate drivers. It comes in an 8-lead wide body SOIC (Small Outline Integrated Circuit) package, which is designed for surface mounting on PCBs. This package is suitable for high-performance, compact, and reliable designs, providing robust isolation and protection in various electronic systems.

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