TPS3851G18EQDRBRQ1

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PMIC (Power Management Integrated Circuit) is an integrated circuit used to control power in various electronic devices. A Supervisory IC (Supervisor IC or Supervisory Circuit) is a type of PMIC that provides control and monitoring of different functions and operations in an electronic system. The TPS3851G18EQDRBRQ1 is a low-power Supervisory IC that can provide a variety of functions, such as reset and power-fail detection. It has a wide range of applications in both consumer and industrial devices. In this article, we will discuss the application field and working principle of TPS3851G18EQDRBRQ1.

Application Field of TPS3851G18EQDRBRQ1

TPS3851G18EQDRBRQ1 is widely used in consumer and industrial applications. In consumer applications, it is used in mobile devices, computers and gaming consoles to monitor the system power supply, provide reset and power-fail signals, and protect the device from power surges and other power-related problems. It can also provide telephony applications with a range of protection functions, such as over-voltage, under-voltage, low-battery and thermal protection.

In industrial applications, TPS3851G18EQDRBRQ1 is widely used in power control and protection of equipment such as industrial automation systems and robotics. It can effectively monitor the system power supply and provide reliable power-fail signals to prevent unexpected shutdowns. In addition, this Supervisor IC can provide reset and reset delay functions to reset the system after a fault condition is detected.

Working Principle of TPS3851G18EQDRBRQ1

TPS3851G18EQDRBRQ1 is a low-power Supervisor IC that provides reset and power-fail functions. It is designed to monitor power supply voltage levels, provide reset signals and detect power-fails. The IC contains internal current sources which provide threshold voltages for the reset and power-fail detection. The reset and power-fail outputs of the IC can be connected to external logic, to trigger the appropriate actions based on the output conditions.

The reset output is typically connected to a system microcontroller to reset the system after a failure is detected. The reset output is normally held active low but can be held active high if the polarity of the output is reversed. The power-Fail output is normally active high and is used to indicate an over or under voltage condition or power-failure. The power-fail threshold voltage is programmable using a selection of external resistors.

The TPS3851G18EQDRBRQ1 also includes a built-in linear regulator to generate VCC voltage and various other power supplies. The regulator is designed to provide low-noise and low-dropout operation with a minimum output voltage of 1.8V. The IC also features an adjustable brownout threshold to detect power under voltage, as well as a watchdog output for applications that require periodic reset of the system.

Conclusion

The TPS3851G18EQDRBRQ1 is a low-power Supervisor IC that provides reset, power-fail and other protection and control functions. It has a wide range of applications in both consumer and industrial devices, such as mobile devices, computers, gaming consoles, industrial automation systems and robotics. In addition, the reset and power-fail outputs can be used to dynamically monitor the system power supply and provide accurate information about the power condition. As a result, the TPS3851G18EQDRBRQ1 is a highly integrated, cost-effective and reliable solution for power management and monitoring.

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