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SI8274DB4D-IS1

Name: SI8274DB4D-IS1
Rating: 4.7 (12 reviews)

DGTL ISO 2.5KV 2CH GT DVR 16SOIC

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資料表 SI8274DB4D-IS1 DataSheet
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規格

Series	Si827x
Part Status	Active
Technology	RF Coupling
Number of Channels	2
Voltage - Isolation	2500Vrms
Common Mode Transient Immunity (Min)	200kV/µs
Propagation Delay tpLH / tpHL (Max)	105ns, 75ns
Pulse Width Distortion (Max)	47ns
Rise / Fall Time (Typ)	10.5ns, 13.3ns
Current - Output High, Low	1.8A, 4A
Current - Peak Output	4A
Voltage - Output Supply	4.2V ~ 30V
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	16-SOIC (0.154", 3.90mm Width)
Supplier Device Package	16-SOIC
Approval Agency	CQC, CSA, UL, VDE
Base Product Number	SI8274

概述

Description

The SI8274DB4D-IS1 is an integrated circuit designed for high-speed isolated gate drive applications. It is part of the Silicon Labs Si827x series, which provides robust isolation and drive capabilities for power electronic systems, including motor drives, power converters, and industrial automation.
Key features include:
1. Isolation: Provides galvanic isolation, ensuring safety and preventing ground loops.
2. High-Speed Operation: Capable of driving MOSFETs and IGBTs at high frequencies, enhancing overall system performance.
3. Low Propagation Delay: Offers fast switching times, which is critical in minimizing switching losses.
4. Flexible Power Supply: Supports a wide range of supply voltages, enhancing versatility in various applications.
5. Protection Features: Includes built-in fault detection and protection mechanisms to ensure reliable operation.
The SI8274DB4D-IS1 is ideal for designers looking for a compact, efficient solution for driving power devices in demanding environments.

Features

The SI8274DB4D-IS1 is an isolated gate driver designed for high-voltage applications. Key features include:
1. Isolation Voltage: Offers a high isolation voltage of up to 5 kVrms, providing safety in high-voltage applications.
2. Drive Voltage: Capable of outputting drive voltages ranging from 15V to 20V, suitable for driving various MOSFETs and IGBTs.
3. Propagation Delay: Features a low propagation delay, enhancing the efficiency of switching operations.
4. Integration: Includes integrated fault protection and a fault indicator, improving system reliability.
5. Input Compatibility: Compatible with various input logic levels, allowing easy integration with different controllers.
6. Operating Temperature: Supports a wide operating temperature range, ensuring performance in diverse conditions.
7. Packaging: Available in a compact package, facilitating space-saving designs in circuit layouts.
These features make the SI8274DB4D-IS1 ideal for applications in power converters, motor drives, and industrial automation.

Package

The SI8274DB4D-IS1 is packaged in a 16-pin SOIC (Small Outline Integrated Circuit) format. This package type is suitable for surface mounting and is designed to save space on printed circuit boards.

Pinout

The SI8274DB4D-IS1 is a high-performance, isolated gate driver from Silicon Labs, designed to drive power MOSFETs and IGBTs. It features a 16-pin package.
Pin Functions:
1. VDD - Supply voltage for the driver.
2. VSS - Ground reference for the driver.
3. COM - Common pin for the input and output.
4. IN - Input signal to control the gate.
5. EN - Enable pin to activate or deactivate the driver.
6. OUT - Output pin to drive the gate of the transistor.
7. NC - No connection (not used).
8. ISOL - Isolation barrier for signal transmission.
9. GND - Ground reference for the isolated side.
10. VISO - Isolated supply voltage.
11. VIB - Isolated input signal.
12. VOB - Isolated output signal.
This gate driver provides high-speed operation, low propagation delay, and robust isolation, making it suitable for various applications in power electronics.

Manufacturer

The manufacturer of the SI8274DB4D-IS1 is Silicon Labs, a semiconductor company known for developing high-performance analog and mixed-signal ICs (integrated circuits). Silicon Labs focuses on providing solutions for a variety of applications, including the Internet of Things (IoT), automotive, industrial, and communications sectors. The SI8274DB4D-IS1 is an isolated gate driver designed to control power transistors in various electronic systems, emphasizing safety and efficiency. Silicon Labs is recognized for its innovative technologies and commitment to delivering reliable and energy-efficient products.

Application

The SI8274DB4D-IS1 is an isolated gate driver designed for applications such as motor control, power inverters, and power supplies. Its features make it suitable for driving high-power MOSFETs and IGBTs in industrial automation, renewable energy systems, and electric vehicles. The isolation capability enhances safety and protects sensitive circuits in noisy environments.

Equivalent

The SI8274DB4D-IS1 is an isolated gate driver from Silicon Labs. Equivalent products include the ADuM3221 from Analog Devices, the MAX14870 from Maxim Integrated, and the TMS320F28027 from Texas Instruments. Always verify compatibility regarding voltage ratings, current capacity, and isolation requirements before substitution.