X5169V14I

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active High
Reset Timeout:	100 ms Minimum
Voltage - Threshold:	4.38V
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:	X5169

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Introduction to X5169V14I

X5169V14I is a digital System Supervisor and Power Supply Supervisor with a Serial Peripheral Interface (SPI). It is designed to detect power and system conditions in consumer and small office applications. The X5169V14I’s operation is based on sophisticated algorithms and provides a 3-pin system reset output, 4-pin power supply supervisor, SPI digital output and output enable, and one-time programmable watchdog timeout time.

Application Field of X5169V14I

The X5169V14I’s uses include consumer and small office applications such as Personal computers, Home networks, and Network storage systems. It is used in applications where it is necessary to detect unreliable power conditions and proactively protect system resources. Examples include powering up a device after a power failure, or switching over to a backup battery supply when the main supply voltage drops too low.Because of its functionality, it can also be used in other applications such as providing energization and reset control in systems embedded into automotive audio amplifiers, and powering up communication systems and servers.The X5169V14I is designed with a built-in low quiescent current consumption, and can be used in battery applications with its integrated active power-down mode. Its package size also makes it suitable for tight pitch and small PCB designs.

Working Principle of X5169V14I

The X5169V14I features a System Supervisor with or without a Power Supply Supervisor. It performs power supply sequencing, power Good and reset signals, POR signaling and others. It also provides the SPI interface to the microcontroller to allow direct control of the output signals.The System Supervisor has 4 outputs, including one pin Reset output, an output enable pin, 3-pin System Reset output, and 1-pin power Good output. The Reset and System Reset outputs are triggered when the supply voltage falls out of the operating voltage range and when the watchdog timer times out, respectively. The output enable pin is asserted when the system is being reset. The Power Good output is asserted when the power supply is ready and the supply voltage is in the proper range.The Power Supply Supervisor provides the watchdog timer capability and allows the user to set the time interval from the system. This interval can be extended using the power on-reset (POR) and push-button reset inputs and the SPI interface allowing the user to adjust the system reset time and the power-down delay when power fails.

Conclusion

The X5169V14I can provide multiple functions for a wide variety of applications. It is easy to use and can be integrated into a variety of customer requirements without additional components or development. With its built-in low quiescent current consumption, dustproof and rustproof capabilities, and SPI interface, the X5169V14I can be used in a variety of applications to detect power and system conditions.

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