IR2136S

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The IR2136S is a state-of-the-art gate driver integrated circuit from Infineon Technologies, designed to drive high-side and low-side MOSFET or IGBT power switches. It is a popular choice for power management, motor control applications, and power supply designs. This application note will discuss the applications and working principle of the IR2136S gate driver.

The IR2136S is a high-voltage, high-current gate driver that enables the switching of high-side and low-side MOSFETs or IGBTs. The device features independent high-side and low-side gate drive outputs, which provide a robust and reliable solution for MOSFET or IGBT gates. Additionally, the device contains a high-current gate drive output and a current-limited supply, allowing it to handle up to 6A peak output current and 30V VCC supply voltage. This makes it suitable for driving high-voltage high-current MOSFETs and IGBTs in power management applications.

The IR2136S features various sophisticated protection functions, enabling it to protect itself from both external and internal fault conditions. In terms of external fault conditions, the device is equipped with an overtemperature sensor that protects itself from high temperature operation, and a low reverse current protection that limits the operation of the device in the event of an adverse polarity of the VCC supply. In terms of internal fault conditions, the device has driver failure detection circuitry that monitors the output conditions and shuts down the device in fault conditions. The device also features active VCC voltage monitoring, which monitors the supply voltage and enables the device to protect itself from extreme VCC supply voltages.

The IR2136S also has various innovative features, such as soft turn-on and soft turn-off, dead-time control, and over-load protection. The soft turn-on and soft turn-off functions ensure a smooth and safe switching operation, while the dead-time control ensures that the two channels are never active at the same time. The over-load protection circuitry monitors the output levels and provides an overtemperature trip point when the current exceeds the level specified in the datasheet.

Additionally, the IR2136S utilizes an active Miller inhibition circuit to reduce the high inrush current. The Miller inhibition circuit monitors the power MOSFET gate voltage and disables the Miller effect if the voltage exceeds the specified level. This enables the device to operate safely and reliably in applications that require high surge current and high voltage.

The IR2136S also features an internal oscillator that provides synchronization to other drivers in the system. This is an important feature that ensures the device drives the power MOSFETS or IGBTs synchronously and prevents the drivers from misfiring. This ensures that the system is more efficient and reliable.

The IR2136S is a highly versatile device that is suitable for a wide range of power management, motor control and power supply applications. The device is ideal for motor control applications, as it is able to drive high-side and low-side MOSFETs or IGBTs in order to control the speed of the motor. Additionally, the integrated protection features and synchronization parameters make it suitable for use in power management and power supply designs.

In conclusion, the IR2136S is a state-of-the-art power management integrated circuit from Infineon Technologies. It is a high-voltage, high-current gate driver with advanced protection features and synchronization parameters. The integrated functions and features make it an ideal choice for a wide range of power management, motor control and power supply applications.

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