IR2184PBF

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IR2184PBF belongs to PMIC - Gate Drivers and is designed to drive high power Bipolar NPN/PNP power transistors. This device builds in a level shift hysteretic translinear regulation circuit to ensure that the power transistor within the constant output voltage range has been fully saturated in the high current driving state and in the dead time state. In this way, it can offer enhanced system performance and high reliability. Meanwhile, due to its low standby current, it is quite suitable for various applications, such as AC and DC motors.

In this application field and product, it is primarily used for the switching-mode power supply, individual motor control and and distributed multiport power systems. In the mean time, it is also applicable to the off-line and/or DC/DC converters. Besides, it plays an key role in the power control and also offers the flexibility to meet users’ demand. As for the working principle, the current limit is triggered by the min-IMAX comparator and can be programmed by TLIM input. With an inhibit input and logic level reference output, the I2184PBF is offered the most innovating design.

Moreover, IR2184PBF gate drivers is a self-oscillating gate drive which can be used to drive power switching devices. This feature is established on the self-biased, 3-stage topology of the individual drain circuits which keep the automatically self-biased gate drive circuit at fixed operating level. This in turn provide improved reliability and reduced system cost in high power bipolar junction transistor application.

In addition, this device has outstanding input circuitry with hysteresis for pulses on to the input and off the output over the operating temperature range. Furthermore, its output can be applied with an external pull-up resistor to both BTG and BTS to improve the output pin drive capability. With the patented leading edge blanking, it ensures an efficient and stable high side drive current spike.

Overall, the applications of IR2184PBF gate drivers are designed to provide improved power control while ensuring better reliability. As such, this product offers flexibility, high stability and fast switching performance. Furthermore, with the built in current limit and inhibiting inputs, its lower standby power consumption and protection against over-temperature are two of its most prominent features. Therefore, this device can be applied in various applications, such as AC and DC motors, switching-mode power supply, individual motor control and distributed multiport power systems, to name the few.

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