TPS3600D20PW

Series:	--
Packaging:	Tube
Part Status:	Active
Type:	Battery Backup Circuit
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active Low
Reset Timeout:	60 ms Minimum
Voltage - Threshold:	1.78V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	14-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	14-TSSOP
Base Part Number:	TPS3600D20

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Introduction

The TPS3600D20Pw is a general purpose programmable supervisor from Texas Instruments. It is designed to monitor and protect systems from losing power by providing a reset output in response to system power supply voltage undervoltage (UV) faults. Its affordable, low-voltage reset threshold and low delay makes it an ideal choice for power-sensitive applications. In this article, we\'ll discuss the application field and working principle of the Texas Instruments TPS3600D20PW.

Application Field

The TPS3600D20PW is designed for applications that require constant power supply monitoring, such as computer systems, cell phones, intelligent peripherals and embedded systems, especially those where system reliability is a concern. It is a general purpose supervisor that is used to reset the system when the power supply voltage drops below a predefined level.The TPS3600D20PW is suitable for monitoring up to two power supply voltage rails, making it suitable for low, medium and high-power applications. The device can detect and react to a wide range of input voltages, from 1V to 6.5V. This allows it to be used in small, low-power applications and larger, more demanding ones.

Working Principle

The TPS3600D20PW is designed with a two-stage delay for resetting the system. When the voltage drops below predefined threshold levels, the device generates an active low reset signal. The reset pulse has a width of 10 us.The device has two adjustable threshold levels, one for reset and one for warning. The reset voltage threshold can be adjusted in the range of 1.219V to 6.5V. The warning voltage level can be adjusted from 1.25V to 1.90V. The ample range of thresholds, coupled with its adjustable reset width allows the device to be used in a variety of applications.Using the reset and warning outputs, the TPS3600D20PW can detect dangerous undervoltage conditions and react accordingly. The reset output ensures that the system is reset and the warning output alerts the user of the undervoltage conditions. It is compatible with the I2C interface, allowing users to adjust thresholds and other parameters without having to do any hardware modifications.

Conclusion

The TPS3600D20PW is a general purpose supervisor for protecting systems from power supply voltage undervoltage faults. It is suitable for low, medium and even high-power applications, due to its wide input voltage range. Its adjustable reset and warning threshold levels can be used to respond to different levels of undervoltage faults. The reset pulse has a width of 10 us, and the device is compatible with the I2C interface, allowing users to adjust parameters and thresholds without having to do any hardware modifications. Therefore, the TPS3600D20PW is suitable for applications that require constant power supply monitoring, such as computer systems, cell phones, intelligent peripherals and embedded systems, especially those where system reliability is a concern.

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