IR2235SPBF

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IR2235SPBF is a monolithic high-side gate driver integrated circuit (IC) that is widely applied in driving the power MOSFETs, high-side gate drivers, and high-side solenoid drivers. It is a type of primary-side switchable PMIC (Power Management IC) often used in power stages and motor control applications. The I/O interface allows a low-side driver to drive the high-side field effect transistors (FETs) while the floating voltage is produced across the power MOSFET. The floating operation of the PMIC eliminates the need for isolated power supplies and thus reduces the number of components in the system.

As a Power Management IC (PMIC), the IR2235SPBF acts as a control switch to both efficiently control and regulate the power of the system. It takes the signals from its digital inputs, convert the signals into logical levels, and then convert the electrical signal into an equivalent high power output. The PMIC contains dedicated control and protection features that help keep the system running without any errors.The main features of IR2235SPBF include enhanced power switching capability, maximum frequency up to 400 kHz, input voltage range of 3V to 21V, output current up to 2 A, peak output current up to 4A, auto reset protection, two-level temperature shutdown, Spike-Free™ startup, Automatic Switching Frequency Adjustment, and low current consumption.

The working principle of IR2235SPBF is to convert the input signal from its digital inputs into the power MOSFETs, then switch them on or off. It does this by utilizing a comparator ; High-side NMOS gate drive voltage is regulated with the aid of a dedicated comparator. This comparator is used to regulate the gate driver’s voltage magnitude. Then, the PWM signal is received by the comparator and is used to drive the gate driver signal. The output is then directed to the power MOSFET, which then controls the power of the system.

The IR2235SPBF is considered a very versatile gate driver due to its wide range of applications. It can be used in automotive, consumer, industrial, and medical equipment applications, as well as any application where regulated voltage is needed. It is also very useful for fast switching of inductive and capacitive loads, as it can handle switching frequencies up to 400 kHz.

The IR2235SPBF is an excellent choice for any application where high-side gate drivers are needed. Its wide range of features, high switching frequencies, and low power consumption makes it an ideal choice for any application. The PMIC is also a great choice for automotive, consumer, industrial, and medical equipment due to its low cost, wide range of functions, and flexible interface.

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