MAX6855UK41D3+T

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The MAX6855UK41D3+T is a PMIC (Power Management Integrated Circuit) from Maxim Integrated, specifically designated as a supervisor. This supervisor chip has a wide application field because it can monitor a variety of conditions and take action upon an incident. In this article, we’ll take a look at the application field and working principle of the MAX6855UK41D3+T.

The MAX6855UK41D3+T is designed to monitor voltages and detect when they have exceeded the programmed limits. Depending on the conditions, the supervisor will either control the system, generate an interrupt, or trigger another specific event to ensure the system remains safe and stable. This supervisor can monitor power supply voltages, battery voltage, output voltages, and other external voltages including a VCCINT supply.

The MAX6855UK41D3+T provides a large number of features to cater to a variety of application fields. It provides two regulated outputs for power supply, with two different levels for reset thresholds. This allows for excellent noise immunity and helps reduce the chances of false resets. The chip also provides two independent power fail comparators that allow for monitoring two separate inputs. This makes it suitable for use in dual-power system designs where the inputs must be individually monitored.

The MAX6855UK41D3+T has an internal oscillator which can be programmed to set the reset timeout periods. It also features an active-high reset output which can be used to control the reset of the system. Additionally, the supervisor provides an active-low power good output which indicates when the system power is stable. This supervisor can also support watchdog timer functions, which can be enabled or disabled as needed.

The main working principle of the MAX6855UK41D3+T is based on detecting the system voltages and when they are beyond the programmed levels, the supervisor takes action. The chip can detect a variety of conditions such as input voltage overdrive, underdrive, overcurrent, power fail, and power good. When any of these conditions are detected, the supervisor will act accordingly. Depending on the setting, it can either control the system, generate an interrupt, or trigger another specific event. It also triggers a reset if the voltages remain outside of the programmed limits for a certain amount of time, as set by the internal oscillator.

All of these features make the MAX6855UK41D3+T suitable for use in a wide range of applications. These include power supply monitoring, power sequencing, sequencing in complex systems such as those with multiple power supplies, and monitoring of analog circuits. In addition, this supervisor chip is suitable for handling watchdog timer functions, which can be used in many IoT applications.

In summary, the MAX6855UK41D3+T is a versatile and reliable Power Management Integrated Circuit which is designed to monitor a variety of conditions and take action upon an incident. It is suitable for monitoring power supply voltages, battery voltages, output voltages, and other external voltages for a variety of application fields. The chip is capable of controlling the system, generating an interrupt, or triggering another specific event to ensure the system remains in a safe and stable condition. It also provides an internal oscillator which can be programmed to set the reset timeout periods, and offers watchdog timer functions which make it suitable for use in many IoT applications.

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