MAX6455UT29S+T

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PMIC (power management integrated circuits) are integrated circuits that are used to manage the power supply of electronic devices. In particular, PMIC supervisors, also known as power-on reset (POR) circuit, are devices that monitor the power supply of electronic devices in order to prevent unexpected operations from occurring. One example of a PMIC supervisor is the MAX6455UT29S+T, a digital voltage supervisor IC with a window comparator that provides a System Reset signal when the system power supply falls below a pre-programmed trip point.

The working principle of the MAX6455UT29S+T IC is fairly simple. The IC contains an internal voltage regulator and an adjustable window comparator. The voltage regulator is powered by an external supply voltage and its output voltage is monitored by the window comparator. When the output voltage drops below the lower trip point, the window comparator outputs a logic “low” signal, which indicates a “Reset” command. This signal can then be used to trigger a reset sequence in the device to prevent unexpected operations.

The MAX6455UT29S+T can be used in a variety of applications, including general-purpose digital systems, power supply sequencing, power supply monitoring and supervisory circuit applications. It is particularly suited for battery-powered and mobile applications, as well as lighting systems and industrial automation.In addition, the MAX6455UT29S+T can also monitor multiple power supplies and provide a reset signal when any of them falls below its respective trip point. This enables it to support safety critical systems that require precise power monitoring in order to prevent potential harm to people or damage to property.

The MAX6455UT29S+T is a popular choice for power-on reset circuits due to its flexibility and cost-effectiveness. It is simple to use, requires minimal external components, and operates over a wide temperature range from -40°C to +85°C. Furthermore, its adjustable trip points allow it to be customized to fit the requirements of a specific system.

In summary, the MAX6455UT29S+T is a versatile PMIC supervisor IC with an adjustable window comparator that can monitor multiple power supplies and trigger a reset signal when any of them falls below its respective trip point. It can be used in a variety of applications, ranging from general-purpose digital systems to safety critical systems, making it an ideal choice for power-on reset circuits.

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