MPQ2029GN-Z

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MPQ2029GN-Z Application Field and Working Principle

MPQ2029GN-Z is a voltage regulator that is part of the Power Management Integrated Circuit (PMIC) linear voltage regulator family. It is designed mainly to offer system designers a cost-effective, high performance and low quiescent current solution which is suitable for many different applications. Available in a variety of package types, the MPQ2029GN-Z offers a parameter controlled logic shutdown, wide input/output voltages, and a low standby current of 10µA.

Performance Characteristics

The MPQ2029GN-Z has come to be popular for its wide range of operating temperature from -40°C to +125°C, making it suitable for many different applications across various industries. Its output voltage can be programmed from 2.5V to 17V and its maximum output current is 1.1A. Its output voltage accuracy is relatively high with ±2% of the output voltage being maintained.

Not only is the dropout voltage in the MPQ2029GN-Z negligible, but it also features a parameter controlled logic shutdown to provide excellent protection for the IC in the event of any protection faults being detected. Being able to handle up to 16V input voltage, the circuit can also support a wide range of input voltages. It also offers a high ripple rejection of 66dB and a wide bandwidth of 6MHz.

Application Field

The MPQ2029GN-Z is designed to be a cost-effective solution for the power management of various applications. Its wide range of operating temperature gives it success in industries such as automotive, industrial, and consumer electronics, as well as in commercial equipment. It is ideal for use in applications where low quiescent current and high accuracy are required, such as computers, mobile phones, tablets and other portable devices.

As a voltage regulator with a wide input/output range, the MPQ2029GN-Z is suitable for a wide variety of uses sudah seperti distributed power systems, automotive infotainment systems, networked systems, portable medical devices, and embedded systems. It can be used to regulate power for different types of logic, MCUs, and load switches.

Working Principle

The MPQ2029GN-Z works on the principle of linear voltage regulation and adjustment. It uses a P-channel power MOSFET to control the output voltage, based on the voltage presented at the feedback pin. The voltage at the feedback pin is compared to a reference voltage, and when the feedback voltage is lower than the internal reference voltage, the P-channel MOSFET is activated and pulls down the output voltage. If the feedback voltage is higher than the internal reference voltage, the P-channel MOSFET is deactivated and the output voltage is released.

The MPQ2029GN-Z also uses an adjustable overcurrent protection feature which limits the current in the output and protects it from sudden overcurrents. It works by comparing the current at the output terminal to a pre-set current, and when the current is above the pre-set level, the IC turns off the output. This prevents the circuit from being damaged due to overcurrent.

Conclusion

The MPQ2029GN-Z voltage regulator is a part of the Power Management Integrated Circuit (PMIC) linear voltage regulator family. It features a wide input/output range and a wide operating temperature, suitable for many different applications. With high output voltage accuracy, a low quiescent current, adjustable overcurrent protection, and high ripple rejection, the MPQ2029GN-Z is an ideal choice for cost-effective power management solutions. Its working principle revolves around a P-channel MOSFET to control the output voltage, based on the voltage presented at the feedback pin.

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