IR2135JTRPBF Integrated Circuits (ICs)

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Power management integrated circuits (PMICs) are becoming a critical component in consumer electronics systems. The IR2135JTRPBF is a typical gate driver PMIC designed for motor control and switching applications. This article aims to discuss the application field and working principle of the IR2135JTRPBF.

The IR2135JTRPBF, as a gate driver, is designed to provide accurate and efficient control of external power MOS devices. It provides a full drive, over-voltage and under-voltage protection for the power circuit. The gate driver also offers high-current drives with over-current protection. It is suitable for applications such as motor control, DC-DC converters, inverters, and any other switching applications that require high voltage, high current and quick response.

The IR2135JTRPBF features a latch input that can be set by applying a high or low level to the pin, allowing the MOS device to be held on or off, respectively. The other two inputs, EN and PWM, are used to control the output of the device. The EN input is a logic control that enables or disables the output of the device. The PWM input is an analog signal that controls the switching times of the external power MOS device.

The IR2135JTRPBF is designed to operate in the range of -50°C to 125°C, with an operating temperature range from -10°C to 125°C. In addition, the device features a low-on resistance of 0.2 ohms for higher switching efficiency and a peak current of 7A, enabling it to handle very high load currents. The peak and sustained currents are programmable and can be set through the external resistor.

The working principle of the IR2135JTRPBF is based on the use of a Charge Pump Circuit (CPC), which is generated by a flyback transformer. The CPC is used to generate a voltage that is high enough to turn the MOS device on or off. When the EN input is set to high, a high gate voltage is generated, allowing the device to be turned on. Conversely, when the EN input is set to low, the gate voltage is reduced, which turns the device off. The PWM input is used to adjust the duty cycle, which controls the on/off times of the device.

The IR2135JTRPBF is an ideal choice for motor control and switching applications that require high voltage, high current and quick response. It features over-current and over-voltage protection, as well as a wide operating temperature range, making it suitable for a variety of applications. The device is easy to use and the peak and sustained current can be set using an external resistor, allowing for easy and accurate current control. With its features, the IR2135JTRPBF is a versatile and reliable choice for motor control and high-current switching applications.

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