X40410S8I-AT1

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PMIC supervisors are a class of semiconductor devices which provide other digital circuits with protection from various power conditions and are important in embedded applications where reliable computations are essential. The X40410S8I-AT1 is an integrated circuit specifically designed as a power supply supervisor. It is manufactured and sold by the LSI Corporation.

Function and Applications

The X40410S8I-AT1 power supply supervisor monitors power signals to ensure safe and reliable operation. It is a low power integrated circuit which is capable of monitoring two independent power supply voltages, ranging from 1.6V to 5.5V. It offers a variety of features that make it an ideal solution for embedded systems.

The main functions of the X40410S8I-AT1 include monitoring of voltage levels and providing a reset signal if it falls below a pre-determined threshold. It also has an open-drain output driver designed to connect with the reset input of one or more digital circuits, allowing the X40410S8I-AT1 to provide a reset signal when necessary. Additionally, the X40410S8I-AT1 offers change detection and power good output signals, which indicate when the power supply is reliable and stable.

The X40410S8I-AT1 is suitable for a wide range of applications. It can be used in various embedded systems, from consumer electronics to industrial systems. It is particularly well-suited for applications requiring reliable and stable power management, such as motor control, elevator control, wireless communications, alarms and security systems. Its compact size and low power consumption make it well-suited for use in battery operated systems.

Working Principle

The X40410S8I-AT1 operates by monitoring two separate power supply voltages and providing a reset signal if either falls below a pre-determined threshold. The integrated circuit features two voltage monitor inputs, designed to detect a variety of power conditions, such as under-voltage, over-voltage, power failure and brown-out. When the voltage level on either of these inputs is detected to be below the defined threshold level, the X40410S8I-AT1 will trigger a reset signal to the connected digital circuits. This reset will last as long as the monitored logic is below the defined threshold, allowing the system to safely shut down if necessary.

In addition to providing a reset signal, the X40410S8I-AT1 also offers a change detection output and a power good output. The change detection output is intended for use with microcontrollers, allowing them to detect external power changes, such as those caused by brownouts or power failure. The power good output is a logical signal providing information on the state of the power supply to downstream logic, indicating that it is stable and reliable.

The X40410S8I-AT1 is a low power, low cost integrated circuit specifically designed to provide reliable power management for embedded systems. It offers various safety mechanisms such as detection of under-voltage and over-voltage conditions, and can be used in a wide range of applications where reliable power management is required.

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