ADM6315-26D2ART-RL

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PMIC (Power Management IC) supervisors are integrated circuits that facilitate power management and regulation by ensuring that the power supply system is working reliably to provide stable voltage and current. The ADM6315-26D2ART-RL is a low-cost, highly integrated supervisor designed to provide an easily sampled level of power supply monitoring and protection for applications requiring up to 2.6V. This article will discuss the application field and working principle of the ADM6315-26D2ART-RL.

Applications

The ADM6315-26D2ART-RL is particularly suitable for monitoring and protecting single-ended or double-ended, 2.6V regulated power supplies. With its wide operating temperature range, it can also be used for monitoring and protecting loads in extreme environmental conditions. This supervisor is suitable for applications in various sectors, including: industrial and commercial automation and robotics, communications, medical devices, instrumentation, automotive and aerospace systems.

Features

The ADM6315-26D2ART-RL supports several features that make it uniquely suited for monitoring and protecting power supplies. These features include over-voltage, under-voltage, and brown out protections as well as output enable control and a watchdog timer. Additionally, it provides support for manual reset, enable, and fail detect logic inputs. Also, the supervisor has a push-pull active-low reset output.

Working Principle

The ADM6315-26D2ART-RL uses a voltage supervisor to monitor the output voltage of the system. This voltage is compared against two adjustable threshold levels: an under-voltage threshold and an over-voltage threshold. When the output voltage of the system drops below the under-voltage threshold or rises above the over-voltage threshold, the supervisor pulls the active low reset output low, initiating a reset event. In addition, the supervisor can also be used to detect brown-out conditions by toggling the active-low reset output when output voltages drop below the brown-out threshold.

The supervisor also features a watchdog timer. The watchdog timer is used to monitor the system\'s performance and keep it running correctly. If the system fails to respond within the predefined time-out period, the supervisor will force a reset of the system. This ensures that the system is not stuck in an inoperable state and can be recovered quickly.

The ADM6315-26D2ART-RL also features a manual reset input. This input is used to manually force a reset if the system fails and the watchdog timer fails to recover it. The supervisor\'s enable input can be used to enable or disable the reset function, allowing the system to remain powered-up or powered-down as desired.

Finally, the supervisor provides a fail detect logic input for detecting output voltage failures. This feature allows the supervisor to detect any sudden drop in the output voltage, which can indicate an unexpected failure. When an output voltage failure is detected, the supervisor can issue an active low reset output to initiate a reset event.

Conclusion

The ADM6315-26D2ART-RL is a low-cost, highly integrated supervisor designed to provide an easily sampled level of power supply monitoring and protection. The device’s features make it well-suited for applications requiring up to 2.6V operating voltage, including industrial and commercial automation, communications, medical devices, instrumentation, automotive and aerospace systems. The supervisor uses a voltage supervisor to monitor the system output voltage, which is compared against adjustable over-voltage and under-voltage thresholds. Additionally, the supervisor provides a watchdog timer, manual reset input, enable input, and fail detect logic input for further power supply protection and regulation.

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