TPS3836J25MDBVTEP 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:	5 ms Minimum
Voltage - Threshold:	2.25V
Operating Temperature:	-55°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	SOT-23-5
Base Part Number:	TPS3836

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TPS3836J25MDBVTEP Application Field and Working Principle

PMIC - Supervisors, like the TPS3836J25MDBVTEP, are used to monitor their hosts for power or system faults. In some cases, supervisors can also limit or control inputs to the host in order to safeguard it. The TPS3836J25MDBVTEP is an example of this type of supervisor component. It is designed to control and monitor the power supply of a processor by providing reset, shutdown, and power-good signals.

Overview of TPS3836J25MDBVTEP

The TPS3836J25MDBVTEP is a low-voltage reset supervisor manufactured by Texas Instruments. It monitors 3.3V or 2.5V circuits for power or system faults and provides a maximum of four reset signals: power-on reset, thermal shutdown, watchdog timer reset, and soft reset. The component is widely used for processor reset, crash protection, system shutdown, and power-good monitoring.

Features

The TPS3836J25MDBVTEP offers several features that set it apart from other PMIC supervisors. The device has an adjustable reset timeout which allows the user to set the period of time it takes for a reset process to take place. It also features a programmable reset on/off feature that can be used to either inhibit reset or cause an immediate reset, depending on the application. In addition, the device has a maximum wait time of over 6 minutes, which makes it suitable for applications where long reset times are required.

Application Fields

The TPS3836J25MDBVTEP is suitable for a range of applications including computing, automotive, industrial, and consumer electronics. It is commonly used in PC motherboards for crash protection, processor reset, and system shutdowns. It is also used in automotive applications such as powertrain systems, engine control systems, and safety systems. In industrial applications, it is often used for power-good indicator, system reset, and shutdown signals. Finally, the component is used in consumer electronics such as audio equipment, home appliances, medical devices, and handheld consumer electronics.

Working Principle

The working principle of the TPS3836J25MDBVTEP is simple and relies on three main components: a voltage detector, a reset generator, and an oscillator. When the voltage supply is first applied, the voltage detector detects the voltage and generates a “power-good” signal when the voltage level is within an operating range. This signal is then fed to the reset generator which generates a reset output when the voltage level is outside of the operating range. The oscillator is then used to generate a watchdog timer reset signal, which is triggered when the voltage supply falls below the reset threshold. Finally, the soft reset is triggered whenever the reset input is triggered manually.

Conclusion

The TPS3836J25MDBVTEP is a versatile PMIC supervisor that can be used to monitor and control the power supply of a processor. The device is suitable for a variety of applications including computing, automotive, industrial, and consumer electronics and offers a number of features such as adjustable reset timeout, programmable reset on/off, and a maximum wait time of over 6 minutes. The working principle of the device is based on a voltage detector, a reset generator, and an oscillator.

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