IR21814STRPBF

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As its name implies, the power management integrated circuit (PMIC) - gate drivers, the IR21814STRPBF are used to control and integrate power supplies. This module is suggested for use in application fields where current supply, gate drive, and gate protection functions are needed. The device includes input-output logic level shifting, gate protection and ORed outputs to achieve the desired task.

Its main application field lies inPower Factor Correction (PFC). Nowadays the growing demand for electrical energy in the market has driven manufacturers to build and install power factor correction circuits which are able to improve power supply efficiency. By integrating the IR21814STRPBF into PFCs, manufacturers are able to reduce the amount of energy loss and ultimately cost effectiveness.

The IR21814STRPBF also works well as an ORed Output in parallel current source applications such as in a battery system. With the support of the IR21814STRPBF, the battery system can implement three levels of output current and provide over-current protection. If one current source is unable to meet the required output current, the IR21814STRPBF will allow the system to switch over to other sources in an orderly manner.

The working principle of the IR21814STRPBF is rather simple. It contains two independent buffers that exchanges logic level signals. This allows the load to be controlled remote from the logic level that drives it. Furthermore, the two buffers are equipped with separate input programming. This allows inputs to be any combination of CMOS, TTL, and RTL logic.

The IR21814STRPBF is also able to operate in pulse density modulation (PDM) mode. Here, the number of pulses produced by the drivers depend on the logic level of the input programming and the period of the load. Thus, this mode allows the load to be controlled in the most efficient way.

Finally, the IR21814STRPBF also provides various gate protection circuits such as short-circuit and over-voltage protection. As a result, the module\'s outputs can be safely connected to a wide range of signals.

In conclusion, the power management integrated circuit (PMIC) - gate drivers, the IR21814STRPBF are designed for application fields where current supply, gate drive, and gate protection functions are needed. The device is most suitable for use inPower Factor Correction (PFC) and ORed Output in parallel current source applications such as in a battery system. Its working principle involves two independent buffers that exchanges logic level signals in order to achieve logic level shifting, gate protection, and ORed outputs. Furthermore, the device can also operate in pulse density modulation (PDM) mode and it provides a suite of gate protection circuits, which allows its outputs to be connected to a wide range of signals safely.

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