X40410V8-AT1

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Multi-Voltage Supervisor
Number of Voltages Monitored:	2
Output:	Open Drain, Push-Pull
Reset:	Active High/Active Low
Reset Timeout:	Adjustable/Selectable
Voltage - Threshold:	2.9V, 4.6V
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	8-TSSOP
Base Part Number:	X40410

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X40410V8-AT1 Application Field and Working Principle

Introduction to PMIC Supervisors

Power Management Integrated Circuits (PMIC) Supervisors are electronic components designed for power supply system supervision. Applications for PMIC Supervisors primarily involve the integration of fault detection and protection circuitry into a single IC device. This is usually accomplished using the supervisor’s integrated analogue and digital circuits to constantly monitor voltages and currents in the system, allowing it to detect and respond to any fault or overload conditions.This paper covers the application field and working principle of a specific PMIC Supervisor, namely the X40410V8-AT1 by Xilinx.

Application Field of X40410V8-AT1

The X40410V8-AT1 Power Management Supervisor is a member of the Xilinx Power Management IC (PMIC) Supervisors product family. It is designed to offer system designers the cost-effective power supply sequencing, monitoring and supervision they need, while providing a wide variety of features. These features, combined with their low power dissipation, make X40410V8-AT1 devices suitable for a wide range of high end and mid-range applications. These applications can be divided into three categories as follows:

Industrial:

The X40410V8-AT1 offers high capability along with a wide temperature range, making it particularly suitable for use in industrial settings. Its four channel, high voltage Power-on-Reset (POR) support provides superior accuracy and fast start-up response. The device\'s delay generator provides adjustable waiting period for power up and for power down and its Power-on-Reset output source can source and sink up to 50 mA.

Avionics:

The device also offers exceptional reliability in avionic applications. Its large number of configurable options, combined with its high temperature operating range and redundancy, make it an ideal choice for applications such as flight navigation and emergency system monitoring. The device\'s ability to generate fully compensated and easily adjustable System Labels, providing four-bit configuration data over an I2C bus, adds to its suitability for avionics applications.

Automotive:

Finally, the device is also well-suited to the harsh conditions of automotive applications. Its integrated Supervisory Autonomous Level Shifter (SALS) provides rail-to-rail, low-current, low-voltage level translation for use in multi-rail systems. In addition, its low-voltage differential signaling (LVDS) output and programmable pre-charge current and voltage options provide greater control over motor logic and drive circuits for fuel-efficient and efficient operation.

Working Principle of X40410V8-AT1:

The working principle of the X40410V8-AT1 is based on its two main components: the Power-on-Reset (POR) and the delay generator. The POR component is responsible for monitoring system voltages and generating a signal that indicates the condition of the system power. The device is capable of providing a warning signal when the power supply is not stable, and can even provide active shut down signals in case of a complete loss of power. The POR component is also able to detect when power is restored and will automatically initiate a reset sequence to ensure that the system is returned to a known state. The delay generator component is responsible for the timing and sequencing of system events. The delays generated by the component can be tailored to a wide range of power supply states and can be configured to control the sequence of power-up and power-down events, helping to ensure a trouble-free operation for the system. The X40410V8-AT1 also has protection features that help limit maximum usage of the device’s POR in order to ensure that system monitoring is not affected by external conditions. This protection ensures that enough margin is provided for the device to detect a potential fault and respond appropriately.

Conclusion

The X40410V8-AT1 is a PMIC Supervisor from Xilinx and is suitable for a wide range of industrial, avionics and automotive applications. Its two main components are the Power-on-Reset (POR) and the delay generator, which work together to monitor system voltages and initiate a reset sequence when necessary. Furthermore, the device also offers enhanced protection features to ensure reliable system operation.

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