IR1169SPBF

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Introduction

IR1169SPBF is a high-speed, high-efficiency gate driver integrated circuit (IC) from Infineon Technologies. It has been specifically designed to offer superior performance in driving a wide range of MOSFETs and IGBTs used in power switching applications. The volume production of the IR1169SPBF ensures that high-quality devices are available to a wide range of customers.

The device is capable of driving any type of N-channel MOSFET and IGBTs implemented in a wide range of applications, including those related to high-voltage DC/DC converters, AC/DC inverters, solar inverters, LED lighting, motor control, and resistive, capacitive, and inductive loads.

Application Field

The prime application field for the IR1169SPBF is the high-power, high-speed driving of N-channel MOSFETs and IGBTs in a wide range of power switching scenarios. It provides excellent switching performance with a maximum operating frequency of up to 1 MHz, with low dV/dt and dI/dt, ensuring superior noise immunity and circuit switching. IR1169SPBF is also very power efficient with a minimum on-state resistance of 30 mOhms and an off-state resistance of 100 mOhms.

Some of the interesting application fields of the IR1169SPBF include:

• Solid-state relay design
• High-power DC/DC converter applications
• AC/DC inverters
• Power factor correction
• Motor control

Working Principle

The IR1169SPBF is based on an integrated H-bridge driver architecture. This provides superior performance when driving power MOSFETs and IGBTs, with low dV/dt and dI/dt, providing for low switching losses and excellent noise immunity. The integrated circuit combines a high-side and low-side driver, allowing for high-speed and high-efficiency operation for both the high-side and low-side outputs.

The IR1169SPBF also offers low propagation delays with adjustable turn-on and turn-off delays. The device also offers short-circuit protection and overtemperature protection, while featuring an enable/disable function to turn the device on and off. Finally, it also includes a charge pump which helps to quickly start up the device in low-voltage applications.

Conclusion

The IR1169SPBF is a versatile gate driver IC from Infineon, designed for high-power, high-efficiency power switching scenarios. It provides excellent switching performance with a maximum operating frequency of up to 1MHz, and low dV/dt and dI/dt, ensuring superior noise immunity and the shortest switching delays. The device is capable of driving any type of N-channel MOSFET and IGBTs, and is suitable for solid-state relay design, DC/DC converters, AC/DC inverters, solar inverters, LED lighting, motor control, and more.

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