MAX6315US46D3+T Integrated Circuits (ICs)

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PMIC - Supervisors

The MAX6315US46D3+T is a supervisor device, part of the Power Management Integrated Circuit (PMIC) family. It is designed to provide alert signals, reset, and supervise power systems in a variety of applications, such as in industrial computing, server memory systems, and automotive. It is housed in a small, 8-pin MSOP package, and it offers very low standby current and power consumption. This article will discuss the application field and the working principle of the MAX6315US46D3+T.

Application Field

The MAX6315US46D3+T supervisor device is well-suited for a variety of power monitoring and reset applications. It offers two adjustable reset thresholds for monitoring two power supplies independently. It also offers wide temperature range (operating temperature ranges from -40°C to +125°C), and it is qualified across the full automotive temperature range. In addition, it has very low power consumption (typical operating current is 5 μA).

The MAX6315US46D3+T can be used in a variety of applications, including automotive, industrial computing, and server memory systems. It is commonly used in automotive applications to monitor the battery voltage and to provide over-voltage and under-voltage protection. It is also used in industrial computing systems to ensure that the correct voltage levels are maintained across all components. Additionally, the MAX6315US46D3+T can be used to provide over-temperature protection in server memory systems, ensuring that the system remains stable even at high temperatures.

Working Principle

The MAX6315US46D3+T supervisor device works by monitoring the power supply voltage and providing alert signals when the voltage drops below a set threshold. It does this by sensing the supply voltage and comparing it against two adjustable reset thresholds. When the supply voltage drops below either of the reset thresholds, the MAX6315US46D3+T will issue an alert signal, which can be used to activate an external reset circuit. The device also offers a power-on reset delay that acts as an additional safeguard in the event of a power failure.

The MAX6315US46D3+T supervisor device can also be used in conjunction with an external watchdog timer. The watchdog timer monitors the main supply voltage and if the voltage drops below the reset threshold, the MAX6315US46D3+T will issue an alert signal, which is used to reset the main voltage and bring the system back to its normal operating state. This prevents damage to the system by ensuring that power supplies remain stable and at optimal levels.

Conclusion

The MAX6315US46D3+T is a supervisor device designed to provide alert signals, reset, and supervise power systems in a variety of applications. It is suitable for use in automotive, industrial computing, and server memory systems, and it offers low current consumption, wide temperature range, and adjustable reset thresholds. Additionally, it can be used in conjunction with an external watchdog timer to provide additional protection.

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