TPS3801J25DCKR Integrated Circuits (ICs)

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:	120 ms Minimum
Voltage - Threshold:	2.25V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	5-TSSOP, SC-70-5, SOT-353
Supplier Device Package:	SC-70-5
Base Part Number:	TPS3801J25

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Introduction to TPS3801J25DCKR

TPS3801J25DCKR is a supervisory chip manufactured by Texas Instruments (TI). It’s part of TI’s ultra-low quiescent current, high-accuracy product portfolio. This device acts as a supervisor in the power management chain, ensuring the system voltage and frequency remain within acceptable limits.

Features of TPS3801J25DCKR

The TPS3801J25DCKR has a wide range of features and benefits for a power management supervisor application. Some of these include:*2.5V to 7.0V supply range *Programmable reset circuit *Configurable low-power output sequencing *Low quiescent current (<200nA) *1µA of accuracy on output voltage *2µs reset timeout with external capacitor *Accurate limit circuitry for diagnosis *Low power-on reset detection during cold start *3-state digital input protection

Application Field of TPS3801J25DCKR

Due to its features and benefits, the TPS3801J25DCKR is well-suited for applications in automotive, industrial, and medical settings.In the automotive sector, this device can be used to monitor battery voltage, thermal conditions, and other parameters. This supervisor can also be used for electronic stability control systems.For industrial settings, this chip can be used for temperature and voltage monitoring of microcontrollers, as well as for monitoring fan/pumps speed for industrial machinery.In medical settings, this chip can be used for patient monitoring, as it offers accurate monitoring of vital data including temperature, oxygen levels, and heart rate.In addition, this supervisor can be used in robotics, mobile phones, and other settings that require accurate power management.

Working Principle of TPS3801J25DCKR

The TPS3801J25DCKR operates according to a simple, three stage system.In the first stage, the device performs a low power-on reset signal detection during cold start-up, ensuring the system operates under acceptable conditions.The second stage consists of a reset delay, during which the device monitors the system voltage. Short delays are provided to ensure that the system has enough time to power on before the reset is triggered.The third stage consists of configurable reset circuits, which are triggered by the device’s alarm signal. This signal can be generated by the device’s internal limit circuitry or by external sources. Once the reset has been triggered, the system is left in a safe state until it is re-powered.

Conclusion

The TPS3801J25DCKR is a powerful, ultra-low quiescent current supervisor chip from Texas Instruments. With its wide range of features and benefits for a power management system, this device is suitable for a variety of applications in automotive, industrial, and medical settings. The device operates according to a simple, three-stage system, ensuring accurate monitoring of system voltage and safe re-powering of the system.

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