AUIRS2123S

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PMIC or power management integrated circuits are responsible for controlling and managing energy consumption within an electronic device, while gate drivers are responsible for controlling the operating voltage of power transistors. One example of PMIC - Gate Drivers is the AUIRS2123S. This IC contains two internal high- and low-side N-MOSFET Gate Drivers.

The AUIRS2123S is a highly efficient standalone two-channel gate driver IC that is especially suitable for advanced solenoid control applications. It provides a wide voltage range from 4.5 up to 15V, and can drive up to 70V load sink and source. The IC\'s 24-pin DIP package and its low external component count makes it ideal for PCB designers. It also offers several features such as frequency modulation support, as well as low noise and high efficiency operation.

The primary working principle of the AUIRS2123S is the use of pulse-width modulation (PWM) control to regulate the gate voltages of the N-MOSFETs. This enables the AUIRS2123S to effectively increase or decrease the gate voltage of the MOSFET transistors in order to achieve the desired output voltage. The PWM control is performed using a specific gate driver IC as a reference voltage source, which then drives the gate voltage level of the N-MOSFETs. The internal gate drivers can be externally synchronized, which further increases efficiency and reduce losses.

The main applications of the AUIRS2123S PMIC - Gate Driver IC include point of load (POL) DC-DC converters, power factor correction (PFC) DC-DC converters, motor drives, motion controllers and active snubbers, among other applications. It is especially well-suited for advanced solenoid control applications due to its ability to control the output voltage of the solenoids, which is dependent on the PWM frequency control. As mentioned above, the AUIRS2123S is also particularly beneficial for PCB designers as it reduces the overall component count and increases the operating efficiency of the power electronics design.

In conclusion, the AUIRS2123S PMIC - Gate Driver IC is a great choice for any power electronics design due to its high efficiency, low noise operation and wide voltage range. It is well-suited for many applications ranging from motor drives to PFC DC-DC converters due to its ability to effectively control the gate voltage level of the N-MOSFET transistors. The PWM frequency control provides excellent control of the output voltage and reduces the overall component count for PCB designers. All of these features make the AUIRS2123S an ideal choice for any power electronics design.

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