MPQ2128DG-AEC1-LF-Z

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Introduction to MPQ2128DG-AEC1-LF-Z

MPQ2128DG-AEC1-LF-Z is a DC-DC switching regulator specifically optimized for low power applications. It is designed to accept inputs up to 36V and delivers a regulated output of 5V at up to 2A. It is a fully integrated buck converter module with a high efficiency and low quiescent current for use in portable applications.

Application Field of MPQ2128DG-AEC1-LF-Z

The application field of MPQ2128DG-AEC1-LF-Z is quite wide, as it can be used in any application that requires a low power DC-DC switching regulator. It is suitable for applications ranging from smartphones and tablets to automotive infotainment systems and industrial control. As a cost-effective and reliable solution, MPQ2128DG-AEC1-LF-Z has also seen extensive adoption in space-constrained applications such as wearables, smart cards, and military devices.

The MPQ2128DG-AEC1-LF-Z is also suitable for applications that require EMI protection and noise reduction, as it has an integrated EMI filter and noise reduction circuit protecting signals from disturbances and meeting certain EMI standards.

Working Principle of MPQ2128DG-AEC1-LF-Z

The MPQ2128DG-AEC1-LF-Z is a synchronous, constant-frequency DC-DC buck converter. It features a single-stage configuration, wherein the switching element is a synchronous P-channel MOSFET operating at a constant frequency called the operating frequency. In addition to the operating frequency, the MPQ2128DG-AEC1-LF-Z also has two other adjustable parameters: the voltage feedback, and the current limit.

The MPQ2128DG-AEC1-LF-Z takes in an input voltage (Vin) and regulates it to a constant output voltage (Vout). It does this by repeatedly turning on and off the P-channel MOSFET in a process called pulse-width modulation (PWM). During the “on” period, the MOSFET is connected to the input side, causing current to flow from Vin to Vout. During the “off” period, the MOSFET is disconnected from the input side, allowing the energy stored in the inductor to flow to the output side.

The MPQ2128DG-AEC1-LF-Z also features an integrated current limit circuit to safely limit the maximum output current the device can provide. This ensures that the output voltage remains within specification even if the load current exceeds the maximum rating.

Finally, the MPQ2128DG-AEC1-LF-Z is also equipped with an enable pin. This pin can be used to enable or disable the device, allowing the user to reduce power consumption when the MPQ2128DG-AEC1-LF-Z is not required to operate.

Conclusion

Overall, the MPQ2128DG-AEC1-LF-Z is a low power DC-DC switching regulator that provides a cost-effective and reliable solution for applications requiring a regulated output voltage. It is capable of accepting input voltages up to 36V and delivering a regulated output of 5V at up to 2A, with an integrated EMI filter, noise reduction circuit, and an adjustable current limit for added protection. The MPQ2128DG-AEC1-LF-Z is suitable for a wide range of applications, from smartphones and tablets to military devices and aerospace equipment.

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