MPQ6411GS-AEC1

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PMIC - Supervisors

The MPQ6411GS-AEC1 is a multi-channel PMIC - Supervisors designed to detect and correct power supply faults in electronic systems. It is used in a variety of applications to ensure reliable and consistent power supplies are available to an electronic system’s components. The primary role of the MPQ6411GS-AEC1 is to provide power system supervisors in order to monitor for problems and provide corrective action when needed. The device is also capable of accepting multiple power supply inputs, and can monitor their performance in order to trigger power reset or other corrective actions.

Application Field

The MPQ6411GS-AEC1 is commonly used in many embedded systems including routers, switches, base stations and other industrial applications. It can provide three configurable supervisor channels which can be configured as power-on reset (POR), power supply monitoring (PSM) or watchdog timing protection. It also features an embedded coulomb counter (ECC) to measure current draw, and a temperature sensor to monitor the active die temperature of the microcontroller.

Specifically the MPQ6411GS-AEC1 provides a range of features that are highly suitable for industrial applications. Due to its power monitoring and reset functionality, this smart supervisor can provide robust protection against supply ripples and transients, which makes it ideal for applications with high power requirements. The device also features fault detection and notification to help identify problems before they cause system failure. Moreover, the implemented ECC allows for monitoring of system current usage and accuracy of power supply readings.

Working Principle

The MPQ6411GS-AEC1 works primarily by powering up the system through a Power-on Reset (POR), which begins with the supervisor providing status updates to the microcontroller. The POR regime is triggered when the supervisor detects that the system’s input voltage is below the pre-set threshold, thereby prompting the supervisor to power up the system. Once the input voltage exceeds the pre-set threshold, the POR function is disabled, allowing the microcontroller to perform its necessary operations.

In normal operation, the MPQ6411GS-AEC1 also implements power-supply monitoring, whereby it continuously monitors the system’s input voltages for any deviations. Should any irregularities or power fluctuations occur, the supervisor will immediately take corrective action, such as resetting the system or cutting off power to certain components. Additionally, it can also detect any overcurrent or undervoltage events in order to minimize system downtime and minimize yield loss.

Finally, the embedded coulomb counter (ECC) enables monitoring of the system’s current draw. The ECC functions as a current-measuring device, sensing the current draw across its inputs and sending out an alert to the microcontroller should the current draw exceed the pre-defined threshold. This helps to ensure that the system is not being overworked by spurious current fluctuations, which can be hazardous in industrial applications.

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