IR2117STR

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Integrated gate drivers are widely used in electronic systems to provide high-current voltage arms that turn on/off power transistors like MOSFETs and IGBTs. IR2117STR is a high-performance integrated driver module from Infineon Technologies AG. It is specifically designed for motor control and power factor correction applications. In this article, we\'ll discuss the application field and working principle of the IR2117STR.

Application Field

The IR2117STR integrated driver module from Infineon Technologies AG provides motor control and power factor correction. It allows up to two switches to be driven simultaneously for applications such as three-phase inverter motor control, line frequency correction, and power factor correction. It has a wide operating range of 36V-420V and supports a maximum output current of ± 8A.

The module helps reduce system cost, design time, and space requirements. It also offers integrated safety features such as undervoltage lockout, as well as robust EMI protection. Additionally, the module comes with a digital interface and supports a variety of microcontroller-level communication protocols such as SPI and I2C.

Working Principle

The IR2117STR module is an integrated motor control and power factor correction module. It contains two inbuilt gate drivers to drive two power transistors simultaneously. The integrated gate drivers can provide up to 1A of current to the gate of the power transistors.

The module has a wide operating voltage range from 36V to 420V, allowing it to be used in a variety of applications. The module also has built-in protection features such as undervoltage lockout, overvoltage lockout, overcurrent protection and thermal shutdown.

The module can be operated either in a non-inverting (open-collector) or inverting mode (open-emitter). In the non-inverting mode, the gate drive is connected to the source and the gate is directly connected to the input. In the inverting mode, the gate drive is connected to the drain and the gate is connected to the input inverted.

The module can be controlled either by an external controller or by a micro-controller. It supports a variety of micro-controller-level communication protocols such as SPI, I2C and CAN. The module can also be used as a stand-alone device, with the built-in diagnostic and monitoring functions providing feedback on the module’s performance.

Conclusion

The IR2117STR integrated driver module from Infineon Technologies AG is a high-performance module designed for motor control and power factor correction applications. It offers an extended wide operating voltage range, as well as integrated safety features and digital interface support. Additionally, the module can be operated either in a non-inverting or inverting mode. With its wide range of features and functions, the IR2117STR module provides a cost-effective solution for building low-cost and highly efficient motor control and power factor correction systems.

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