TPS3510DG4

Series:	--
Packaging:	Tube
Part Status:	Active
Type:	Multi-Voltage Supervisor
Number of Voltages Monitored:	3
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	200 ms Minimum
Voltage - Threshold:	3.3V, 5V, 12V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	TPS3510

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Introduction to TPS3510DG4

The TPS3510DG4 is a single-channel voltage supervisor device from Texas Instruments. It is designed for monitoring the voltage supply of digital systems such as disk-drive controllers, microcontroller-based systems, and analog systems which must detect low or high supply voltage alarm conditions. The TPS3510DG4’s broad range of features include: P-channel MOSFET open-drain output, adjustable output delay, adjustable reset and active low power good (PG) outputs, overvoltage protection, and noise filtering. In this paper, we will discuss the application field and working principle of the TPS3510DG4 Supervisors.

Application Field of TPS3510DG4 Supervisors

The TPS3510DG4 can be used in a wide range of data management applications, performance monitoring systems and alarm systems. The adjustable output delay, adjustable reset time and active low power good (PG) outputs are suitable for digital systems with sensitive memory controllers, analog systems require special consideration for digital alarms, and the robust P-channel MOSFET output can drive an open-drain transistor to provide external overvoltage protection.The TPS3510DG4 is a very suitable device for data management applications, as it can be used to monitor the status of a growth log, for instance, to ensure that the system remains in compliance with process control and management and to prevent system data contaminants. System performance can be monitored in real-time to provide proactive and immediate alerts when any deviations occur.Also, in alarm systems the TPS3510DG4 can be used to detect low or high voltage conditions and provide a signal indication, or even to switch off power supply, depending on the configuration used. Since the TPS3510DG4 can also be driven with regulators (such as buck converters) and adjust the power-up and power-down sequence of the system, it is ideal for providing efficient control over power management in critical applications.

Working Principle of TPS3510DG4 Supervisors

The TPS3510DG4 is a robust overvoltage protection supervisor which provides adjustable output delay and reset time for monitoring and managing the system voltage. Its working principle is grounded on the protection against overvoltages in digital/analog systems and is based on the four components of its design: the P-channel MOSFET, threshold adjustment resistor, adjustable reset and power good outputs, and noise filtering.When the external input voltage is applied to the P-channel MOSFET, the voltage is filtered by the device’s noise filter before it is passed on to the threshold adjustment resistor, which is used to adjust the voltage that must be reached before the reset or power good output functions. The threshold of the voltage to reach can be monitored through the PS-T indicator output at the adjustable threshold pin. The P-channel MOSFET controls the reset output, which is active when the measured voltage exceeds the adjustable threshold level. When the monitored input voltage drops below the adjustable threshold, the reset output will become inactive. The reset output also has a programmable delay, which can be adjusted through the adjustable R-Y pin.When the monitored input voltage n is below the adjustable threshold, the power good output is active and a status indication, such as alarm or digital output, can be provided. The power good output also has a programmable delay and can be adjusted through the adjustable R-po pin.

Conclusion

The TPS3510DG4 is an ideal voltage supervisor device for digital and analog systems. Its adjustable output delay and reset time and robust design ensure reliable protection against overvoltage for critical applications. Its MOSFET open-drain output, adjustable output delay, adjustable reset, active low power good (PG) outputs, overvoltage protection and noise filtering capabilities are ideal for data management and performance monitoring applications, as well as alarm systems, and the adjustable threshold can be used to adjust the voltage threshold before reset and power good output functions.

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