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Isolators - Gate Drivers

ACNW3410-300E is an optically isolated gate driver widely used in automotive semiconductor isolator applications. The device consists of an LED and a photo transistor with an isolation voltage of up to 3 kV. It is designed to drive high voltage bidirectional N-channel MOSFETs, and is optimized for high power IGBT drivers. The package is small, yet robust, making it well suited for applications where space is at a premium, such as engines and powertrains.

Application Field

ACNW3410-300E is mainly used in automotive isolator applications. For example, it can be applied in car AC power supplies, headlight dimmers, and wiper switch circuits. It provides noise protection as well as current and isolation protection solutions. Additionally, the low-power MOSFET drive makes the ACNW3410-300E ideal for automotive LED lighting applications.

Advantages

• High isolation voltage of up to 3 kV.
• Small footprint makes it suitable for applications with limited space.
• Robust package can cope with harsh automotive environments.
• Low power drive makes it ideal for automotive LED lighting applications.
• Durable and reliable.

Working Principle

ACNW3410-300E works on the principle of optically isolating the LED from the photo transistor. The LED emits photons that are detected by the photo transistor, which then generates current to drive the MOSFET. The isolation voltage of the device is up to 3 kV, which is provided by a winding transformer that amplifies the weak signal generated by the LED and photo transistor.

Conclusion

ACNW3410-300E is a high-performance optically isolated gate driver designed for automotive isolator applications. It provides robust protection and noise shielding, and its small foot-print makes it suitable for applications with limited space. Additionally, its low-power MOSFET drive makes the ACNW3410-300E ideal for automotive LED lighting applications.

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