XC6121D540ER-G

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Watchdog Circuit
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	400 ms Typical
Voltage - Threshold:	4V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	6-UFDFN Exposed Pad
Supplier Device Package:	6-USPC (1.8x2)

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Introduction:XC6121D540ER-G is a PMIC (Power Management Integrated Circuit) supervisory designed for applications such as computers and consumer electronics. It integrates three basic functions: reset, power-up and power-down functions. It enables the system to start up and shut down on demand and it can also provide protection to the system during power transitions. This article will discuss the application field and working principle of XC6121D540ER-G PMIC. Application field:XC6121D540ER-G is applicable to a variety of power supply applications. It has low power consumption and a wide range of operational voltages. It is suitable for use in consumer electrical applications such as PC, laptops, PDAs and set-top boxes. It can also be used in industrial applications such as industrial control systems and microcontrollers. Its low power consumption makes it an ideal choice for battery-powered systems. In addition, the PMIC has a high accuracy of response with a wide range of input edge conditions and it can be used in applications requiring a wide voltage range, such as 5V, 12V and 24V DC inputs. Its high accuracy ensures accuracy in the system\'s power supply. Furthermore, the PMIC can provide protection to the system against various power surges and short circuits.Working principle:The XC6121D540ER-G PMIC is a monolithic integrated circuit designed to provide voltage-monitoring and power-control functions. It is equipped with an internal regulator with low quiescent current and an operating temperature range of -40°C to +85°C. The regulator has an adjustable trip-point for reset operation and a selectable output voltage range of 1.8V to 3V. It consists of four main parts: an output-voltage regulator, an input-voltage monitor, an internal power switch and an internal oscillator. The output-voltage regulator operates in one of two modes: normal or reset mode. In normal mode, the output voltage is regulated to provide a safe operating voltage to the system. In reset mode, the output voltage is reduced to a preset level to reset the system. The input-voltage monitor monitors the input voltage of the system and sends a reset signal if the voltage drops below the preset threshold. The internal power switch turns the power to the system on and off, depending on the status of the reset signal. Finally, the internal oscillator generates an adjustable frequency signal to control the reset duration.Conclusion:XC6121D540ER-G PMIC is a reliable and efficient power management supervisory designed for a wide range of applications. It incorporates three basic functions: reset, power-up and power-down functions. It has a wide range of operational voltages, low power consumption and a high accuracy of response. Its low power consumption makes it an ideal choice for battery-powered systems. Its internal regulator, input-voltage monitor, internal power switch and internal oscillator make it a reliable and secure choice for a variety of applications.

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