TPS3123J18DBVR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active Low
Reset Timeout:	100 ms Minimum
Voltage - Threshold:	1.62V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	SOT-23-5
Base Part Number:	TPS3123J18

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Introduction to PMIC - Supervisors

A PMIC-Supervisor is a type of integrated circuit (IC) device used to manage and monitor power management of a system. It is responsible for managing and monitoring the overall power performance in the system, including controlling the voltage of the power supply and the current flow. PMIC-Supervisors can be used in a variety of applications, from consumer electronics to computer systems and industrial control systems.The TPS3123J18DBVR is a PMIC-Supervisor from Texas Instruments, used for monitoring and managing system power consumption. It is a high performance, low power supervisor IC, typically used in unmanned wireless devices, such as industrial automation, outdoor agricultural and medical applications. The TPS3123J18DBVR supervisor has an input on-off signal and a reset signal output that can be used to control the system power supply.

TPS3123J18DBVR Application Field and Working Principle

The TPS3123J18DBVR PMIC-Supervisor is intended for use in low-voltage, battery-powered systems, such as unmanned wireless devices, industrial automation, outdoor agricultural and medical devices. It is ideal for applications that require low power consumption, but also require reliable and accurate monitoring of system power.The TPS3123J18DBVR uses a digital battery voltage input and a threshold window to monitor the battery voltage range. When the battery voltage is within the threshold window, the TPS3123J18DBVR will output an ON signal. If the battery voltage goes below the lower threshold, the TPS3123J18DBVR will output an OFF signal, indicating that the battery level is low and that the system should be shut down. In addition, an external reset signal can also be applied to the TPS3123J18DBVR, which will reset the IC, allowing the system to start up again.On the output side, the TPS3123J18DBVR is able to generate a reset signal that can be used to reset the system after the battery voltage goes below the lower threshold. This reset signal is generated using a delay timer, which is used to delay the reset signal until the battery voltage is above the lower threshold. In addition, the TPS3123J18DBVR has a high-performance reset timer that can be used to generate a reset signal with a timing accuracy of +/- 3%.The TPS3123J18DBVR also has a watchdog timer that can be used to detect system failure and generate a reset signal if the system does not respond within a specific time. This watchdog timer is also used to generate an alarm output if the input battery voltage is outside the threshold window. Overall, the TPS3123J18DBVR is a reliable and efficient PMIC-Supervisor designed for low-voltage, battery-powered systems. It can be used to monitor and control the power consumption of the system, and also provide feedback to the system controller regarding the battery voltage, with a timing accuracy of +/- 3%. The TPS3123J18DBVR is also suitable for applications where low power consumption is important, and its reset timer and watchdog timer are also useful for system reliability and stability.

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