TPS389033DSER

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The TPS389033DSER is a low-voltage supervisor with dual-limited reset and manual reset input features. This device monitors two independent supplies and generates system reset when either supply falls below the reset threshold. It also provides an active-low reset output when a short manual reset is conducted. This device enhances system safety through a combination of low-threshold reset and manual reset input protection, making it an ideal protection solution for many intelligent systems.

Introduction

The Texas Instruments TPS389033DSER is a low-voltage Supervisors with dual-limited reset and manual reset input features. This device monitors two independent supplies and generates system reset when either supply falls below the reset threshold. It also provides an active-low reset output when a short manual reset is conducted.

Features

• Dual-input low-voltage supervisor with manual reset input
• Active-low system reset with dual-level threshold
• Active-low manual reset with 10 ms timeout
• Independent analog and digital input pins
• No external components required for operation
• Low-power operation with 4.5-µA max current draw
• Current-limited reset output with 0.2-µA max current
• Shutdown mode with 0.1-µA max current draw
• Adjustable reset threshold from 0.8 V to 5.5 V
• Adjustable reset pulse width from 0.4 ms to 6 ms

Application Fields

The TPS389033DSER is an ideal solution for many intelligent systems and applications, where system safety needs to be ensured. The device has a number of features that make it an ideal choice for such applications, such as independent analog and digital input pins, no external components required for operation, low-power operation with 4.5-µA max current draw, current-limited reset output with 0.2-µA max current and shutdown mode with 0.1-µA max current draw. The adjustable reset threshold and pulse width make it an ideal solution for custom designed systems.

The TPS389033DSER can be used in a variety of applications, such as automotive and health care. In automotive applications, the device can be used for engine control, driver control modules or emission controls. In health care applications, the device can be used in vital signs monitoring systems or patient monitoring systems. It can also be used in industrial or military applications, such as for monitoring critical system parameters or providing system reset signal in case of emergency situations.

Working Principle

The TPS389033DSER operates on a dual-input low-voltage supervisor with manual reset input. The device monitors two independent supplies and generates system reset when either supply falls below the reset threshold. The device has active-low system reset with a dual-level threshold and active-low manual reset with 10 ms timeout. The reset threshold and width can be adjusted as per requirements.

When either of the two inputs falls below the reset threshold, an active-low system reset signal is generated. The reset pulse width can be adjusted from 0.4 ms to 6 ms. The device can also be put into shutdown mode with only 0.1-µA max current draw. The device also provides an active-low reset output when a short manual reset is conducted. This enhances system safety by providing a combination of low-threshold reset and pressure applied reset protection.

The TPS389033DSER is a low-power consumption device with 4.5-µA max current draw in normal operating mode and 0.2-µA max current draw in current-limited reset output mode. The device also has an adjustable reset threshold from 0.8V to 5.5V, which makes the device more suitable for custom designed systems.

Conclusion

In summary, the TPS389033DSER is a low-voltage supervisor with dual-limited reset and manual reset input features. This device enhances system safety through a combination of low-threshold reset and manual reset input protection, making it an ideal protection solution for many intelligent systems. The device can be used in a variety of applications and provides adjustable reset threshold and reset pulse width as per requirement. Its low-power operation with 4.5-µA current draw make it an ideal solution for many intelligent systems.

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