TPS3851G18SQDRBRQ1

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The TPS3851G18SQDRBRQ1 is a member of the power management integrated circuit (PMIC) family of supervisors. This advanced supervisor is a positive voltage monitor optimized for portable and point-of-load (POL) applications. Its small size, low power consumption and wide range of operating voltage makes it the ideal choice to be applied in a variety of applications. The TPS3851G18SQDRBRQ1 can be used in applications such as AC-DC power supplies, HDTVs, telecom equipment, LCD panels, portable video devices and digital video recorders. This PMIC has a wide range of operating voltage, making it suitable for a variety of supply conditions, including single-cell Li-ion battery, multicell Li-ion battery, and AC/DC adapter applications.

The TPS3851G18SQDRBRQ1 provides overvoltage protection by monitoring the system’s input voltage. It has an adjustable reset threshold from 1.8V to 7.3V, which can be programmed using the external resistor divider. It also features adjustable timer settings such as timeout in seconds, and reset time delay, which can also be programmed using the external resistor divider. The supervisor is able to monitor the voltage from a remote location, such as from a wall outlet, and can provide protection against short circuits, abnormal voltages, and spikes by triggering the reset signal. The reset status is indicated by the reset output, which can be monitored before the timeout period, or at any point during the timeout period. Finally, the supervisor is RoHS compliant and is offered in a 6-lead Texas Instruments SOT23-6 package.

The working principle of the TPS3851G18SQDRBRQ1 is simple. It monitors the input voltage, and if it is above the set threshold it will trigger an interrupt or reset. This reset signal can then be used to shut down the system. The supervisor has a number of configurable settings that allow the reset and timeout periods to be changed from their default values. The settings can be changed through the external resistor divider, or through the programming pins. Once the desired settings have been programmed, the supervisor will then monitor the system for changes in the input voltage and respond accordingly.

The TPS3851G18SQDRBRQ1 is an excellent choice for many portable, POL and other applications that require overvoltage protection. Its small size and low power consumption make it the perfect choice for applications that require consistent and reliable voltage monitoring. The adjustable reset threshold and adjustable timer settings allow it to be customized to meet the needs of a wide range of applications. With its RoHS compliance and extended temperature range, the TPS3851G18SQDRBRQ1 is a dependable supervisor for any application.

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