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Introduction

IXDI630MCI is an opto-coupler isolated gate driver from IXYS. It provides protection for IGBTs and MOSFETS in applications like switching for induction heaters, traction fans and motors, servo drives, and motor control. The IXDI630MCI has a gate drive output with an isolated photo-coupler which can be used to drive two IGBTs or MOSFETS, solo or in a half-bridge configuration.

Features and Benefits

• High isolation voltage of 400V.
• Broad operating temperature supporting PWM applications of up to 125°C.
• Access to both gates can be provided through a single output pin.
• Standardized packages allowing for various form factors.
• Filled with a proprietary conformal coating to protect from aggressive environments.

Application Field

The IXDI630MCI is a gate driver designed for applications needing high-voltage isolation between the input and output signals. This is ideal for applications like switching for induction heaters, traction fans and motors, servo drives, and motor control. It can also be used in other applications where high-voltage isolation is required, such as audio power amplifiers, power supplies, and battery-powered equipment.

Working Principle

The IXDI630MCI is an opto-isolated gate driver which uses an optical photo-coupler to isolate the input control signal from the output gate drive signal. It contains two gate drive outputs which can be used to control two IGBTs or any MOSFETs in a half-bridge configuration. The gate drive output consists of two opto-couplers with a galvanically isolated link. The input control signals are connected to the input pins of the opto-couplers, and the outputs of the opto-couplers are connected to the gate drive output pins. The opto-couplers utilize LEDs which emit light when the input signal is applied, and this light is picked up by the phototransistor, producing a high voltage output. This output is then used to drive the gate of the IGBTs or MOSFETs.

Conclusion

The IXDI630MCI is an opto-isolated gate driver which is suitable for applications requiring a high-voltage isolation between the input and output signals. Its high-voltage isolation, temperature operating range and conformal coating make it an attractive option for many applications.

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