X40031V14-CT1

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Multi-Voltage Supervisor
Number of Voltages Monitored:	3
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	Adjustable/Selectable
Voltage - Threshold:	1.7V, 2.2V, 2.9V
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	14-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	14-TSSOP
Base Part Number:	X40031

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PMIC - Supervisors: X40031V14-CT1 application field and working principle

Power management integrated circuits (PMICs) are components used in various electronic devices that allow the device to manage, monitor and control its power supply. PMICs are used in many applications such as medical devices, consumer electronics, automotive electronics and industrial electronics. The PMICs are also used in renewable energy systems, military and aerospace systems and energy-efficient lighting systems.The X40031V14-CT1 supervisor is a PMIC with integrated protection, control and monitoring circuits. It is a BCDMOS process that integrates protection, control, monitoring and other functions into one package. This product provides power sequencing and sequencing resets, plus voltage monitoring functions to ensure reliable operation of DC-DC converters and integrated circuits.This product has a built-in over-temperature protection that stops the system when the temperature exceeds a safe range. The device has an 11V over voltage lockout that prevents the input voltage from exceeding a safe limit. The device also has an enable/disable switch, a timer and a power fail reset.The X40031V14-CT1 is designed to be used in a wide range of applications including power supplies, motor controllers, communications systems, home-theater systems, consumer electronics and industrial equipment. This product is also suitable for automotive, renewable energy and military/aerospace applications.The device’s working principle is based on the power up/down sequencing. The device includes logic and control elements that control the sequence of other power rails and system reset values. The device reacts to the power rail voltages and initiates the necessary voltage ramp-up or ramp-down based on the configured sequencing.The device also provides a power-fail reset signal to the microprocessor, which maintains system level reset during power loss events. During power loss events, the input voltage below the Logic Threshold Voltage (LTV) causes an active-high reset to the integrated circuits. The reset signal stays active until the supply voltage rises above the LTV.The X40031V14-CT1 supervisor also has over-temperature protection that is triggered when the ambient temperature goes above a safe limit. The device also includes a timer function which can be used to delay the power-up sequence or to provide a reset signal after a pre-defined amount of time.In conclusion, the X40031V14-CT1 supervisor is a PMIC that integrates protection, control, monitoring and other functions into one package. It is a BCDMOS process that provides various power sequencing and resets, plus voltage monitoring and over-temperature protection to ensure reliable operation of DC-DC converters and integrated circuits. The device is suitable for a wide range of applications including power supplies, motor controllers, communications systems, home-theater systems and more.

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