SI82391CB-IS1

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Isolators are essential components for many electrical engineers, and Gate Drivers are a type of Isolators. The SI82391CB-IS1 is a high-speed, high-frequency, high-efficiency Isolator and Gate Driver with a wide range of uses.

The SI82391CB-IS1 has a large input voltage range of 2.8V to 5.5V and can operate up to 30 A with a peak current of 150 A. It features very fast switching speeds up to 30 MHz, and a high-frequency range of up to 1.2 GHz. The device has a gate-drive current selection that can be adjusted from 0.1 to 0.5 A, and a maximum operating temperature range of up to 105° C.

The SI82391CB-IS1 is a dual-channel, isolated, integrated Gate Driver IC that includes two isolated outputs, a pre-driver and two diagnostic pins that can detect faults. It also features an active pull-up and pull-down, allowing for precise motor control. Additionally, the SI82391CB-IS1 has separate logic and power supply pins, which enable improved signal transfer and isolation.

The SI82391CB-IS1 is suitable for controlling and driving gate circuits of power MOSFETs, IGBTs, AC switches, buzzers, PTC thermistors, transformers, motors, and other applications. It is most commonly used for high-voltage and high-frequency switching, motor control, and power management.

The SI82391CB-IS1\'s working principle is based on voltage and current isolation. The input signal is provided on one side, while the output signal is delivered on the other side via a transformer. The Isolator ensures that the output signal is completely isolated from the input signal. This ensures that the output signal is not affected by any interference or noise that may occur on the input side.

In addition, the SI82391CB-IS1 features a built-in ESD protection, allowing for safe handling and improved immunity to interference. For greater control, the output voltage level shift can be adjusted via an on-chip PWM control input. This makes the SI82391CB-IS1 an ideal choice for a variety of applications.

The SI82391CB-IS1 is a versatile and reliable Isolator and Gate Driver for applications in motor control, power management, and high-frequency switching. It offers high-speed switching, wide input voltage range, and strong isolation barrier. It is also highly stable, durable, and easy to operate.

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