TPS3806I33DBVT

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Multi-Voltage Supervisor
Number of Voltages Monitored:	2
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	5 µs Typical Propagation Delay
Voltage - Threshold:	3V, Adj
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SOT-23-6
Supplier Device Package:	SOT-23-6
Base Part Number:	TPS3806I33

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Introduction

The TPS3806I33DBVT is a low-power precision-scalable power supply supervisory circuit family. It is designed to monitor the 3.3V voltage of any system and provide four programmable push-button reset signals. This device is ideal for computers and computer peripherals such as servers, storage apps, graphics cards, medical equipments, etc. The device is available in an 8-pin SOIC package and has an operating temperature range from -40°C to 85°C.

Application Field of TPS3806I33DBVT

The TPS3806I33DBVT is particularly suitable for applications requiring low-power measurement of system voltage. It provides supply voltage monitoring, push-button reset triggering and reporting functions.The device is typically used to monitor the 3.3V voltage of the system and provides reset safety when the voltage drops below an adjustable threshold. It can also be used for inrush discharge or overtemp protection when the system temperature exceeds a certain value.Furthermore, the TPS3806I33DBVT is used to monitor the power supply voltage of computer and computer peripherals. Its wide operating temperature range of -40°C to 85°C and its ultra-low power consumption make it an ideal power management solution for embedded systems.

Working Principle of TPS3806I33DBVT

The TPS3806I33DBVT monitors the 3.3V voltage of any system and provides four programmable push-button reset signals. It consists of two voltage comparators that measure the voltage of the system, one resistor chain that sets the trip points of the comparators, and an internal oscillator and reset controller.The voltage comparators measure the 3.3V voltage of the system and compare it to a user-programmed trip point. When the system voltage drops below the trip point, the reset controller is activated and issues a reset signal. The reset signal can be configured to be active-low, active-high or both.The resistor chain is used for setting the low and high trip points of the voltage comparators. The user can program the trip points of the voltage comparators by selecting one of the three resistor resistors from the resistor chain. The trip points are adjustable from 2.2V to 3.6V in 0.1V increments.Moreover, the TPS3806I33DBVT includes an internal oscillator and reset controller. The reset controller monitors the voltage comparators and triggers a reset sequence when the set threshold is exceeded. The reset signal can be active-low, active-high or both, depending on the user’s configuration.

Conclusion

In conclusion, the TPS3806I33DBVT is a low-power precision scalable power supply supervisory circuit family designed to monitor the 3.3V voltage of any system and provide four programmable push-button reset signals. It is typically used to monitor the 3.3V voltage of the system and provide reset safety when the voltage drops below an adjustable threshold. Furthermore, it can be used for inrush discharge, overtemp protection and power supply monitoring of computer and computer peripherals.

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