X4165PIZ

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active High
Reset Timeout:	100 ms Minimum
Voltage - Threshold:	4.38V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Through Hole
Package / Case:	8-DIP (0.300", 7.62mm)
Supplier Device Package:	--
Base Part Number:	X4165

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PMIC - Supervisors: X4165PIZ Application field and Working Principle

PMIC – Supervisors are a type of integrated circuit that provide the basic functions for a power supply. They are used to regulate, monitor, and control the current and voltage for a variety of applications. For example, in communication systems and industrial applications, a PMIC – Supervisors can provide smart power management, improved efficiency, and superior protection against common damage. In this article, we will explore the application field and working principle of X4165PIZ, a specific type of PMIC – Supervisors.

Application Field of X4165PIZ

X4165PIZ is a high-precision, highly integrated power supervisor IC developed by PIXTEL. It is mainly used in consumer and professional audio applications, such as headphones. It is also used in other power hungry production and wearables applications, such as mobile phones, tablets, smart watches, fitness trackers, and drone industry products. The chip has several features that make it suitable for various applications, such as its miniaturization, high efficiency, and wide operating temperature range. X4165PIZ offers four modes of operation, including Boost, Buck-boost, Buck, and Linear mode. These modes make the chip suitable for applications in low-voltage, low-current applications as well as higher-voltage, higher-current ones. In addition, it has 18 adjustable output switch pins, which can be used to control the power flow to connected devices.

Working Principle of X4165PIZ

To understand the working principle of X4165PIZ, it is important to know the different components of the chip. Each component is responsible for a necessary part of the power management process. The components of X4165PIZ include:• A Low Drop Out (LDO) Regulator, which is responsible for regulating the input power and providing a stable output voltage.• A step-down (Buck) converter, which helps reduce the input power level and provide power to the load. • A step-up (Boost) converter, which helps boost the input power level and provide power to the load.• A linear regulator, which helps regulate the output voltage by using the input power. • Voltage reference circuits, which help to ensure that the input and output voltages are stable and accurate.• Temperature and detection circuits, which helps to protect against overheating and ensure safe operation.Based on the above components, X4165PIZ performs the following tasks:• It detects the input power and initiates the power management process.• It adjusts the voltage references and the operating parameters to remain stable and consistent.• It produces the step-down (Buck) or step-up (Boost) converter depending on the input power level.• It adjusts the output current to the appropriate level and monitors it to protect against overcurrent or overvoltage.• It also monitors and adjusts the input power and temperature in order to protect against damage caused by overheating.

Conclusion

The X4165PIZ is a powerful and efficient PMIC – Supervisors IC that is suitable for a variety of audio, production, and wearables applications. Its 18 adjustable output switch pins, combined with its four converter modes, make it an ideal solution for both low- and higher-power applications. Furthermore, its temperature, voltage, and current-monitoring and protection features allow it to operate safely and reliably.

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