MAX6459UTA/V+T

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PMIC (Power Management Integrated Circuit) is used to improve the power efficiency and reduce power consumption in digital and analog environments. PMIC - Supervisors, or PMIC - supervisors, are a specific type of PMIC designed to provide hardware power monitoring and control. The MAX6459UTA/V+T is an example of a supervisor device, which provides superior protection of devices that are powered from a 5 V external power source. This article will discuss the application field and working principle of MAX6459UTA/V+T.

The MAX6459UTA/V+T is suitable for a broad range of applications including mobile, industrial, automotive, and medical. It is designed to protect against voltage spikes and drops, over-currents, and thermal overloads. The device has a 1% accuracy over-voltage, under-voltage and over-temperature thresholds, making it suitable for portable and handheld applications. In addition, the device provides test pins and a power-good indication feature to monitor and control the power supply health.

The working principle of the MAX6459UTA/V+T is based on the internal voltage reference divider and low power voltage monitoring circuits. The device comparators continuously monitor the power supply voltage, temperature, and current. When any of these conditions exceeds the threshold values, the device will trigger an alert or shut down the external power supply. Once an alert or shutdown is triggered, the device will automatically reset after the source voltage recovers to its normal voltage range.

The MAX6459UTA/V+T also features an ultra-low power shutdown mode, which reduces the quiescent current when the power supply is not in use. This feature eliminates the need to manually switch off the device when not in active use, increasing the life of the device and reducing power usage. The device also includes an open-drain reset output that automatically asserts after a fault is detected and processed.

The MAX6459UTA/V+T is a versatile supervisor device that provides superior protection of devices that are powered from a 5 V external power source. It is suitable for a broad range of applications and includes an open-drain reset output and ultra-low power shutdown features. It monitors the power supply voltage, temperature, and current and triggers an alert or shutdown when any of these conditions exceeds the threshold values. The device also provides test pins and a power-good indication feature to monitor and control the power supply health.

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