MAX6310UK30D3-T

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Power Management Integrated Circuit (PMIC) refers to a device that helps manage and monitor power in a system, usually electronic systems such as smartphones and laptops. A PMIC is often used in a system to maintain reliable operational states and protect the circuit from being damaged due to surges, overloads, and faults. One type of PMIC is the Supervisors, which provides a method of setting up and maintaining fixed thresholds and detecting out-of-tolerance levels of electrical signals. The MAX6310UK30D3-T is an example of a Supervisor level PMIC. In this article, we’ll discuss the application field and working principle of the MAX6310UK30D3-T.

The MAX6310UK30D3-T is a low-power supervisor with a microprocessor-based reset output. This PMIC is designed for applications that require high accuracy threshold detection and low power consumption, such as portable/battery-powered systems and off-line/hot-plug applications. It provides a single reset signal output to the system processor and a dedicated MOSFET for controlling the system’s secondary power supply. The MAX6310UK30D3-T is capable of providing accurate under-voltage and over-voltage detection, with a typical threshold accuracy of ±1%.

The MAX6310UK30D3-T’s working principle is based on a true-comparator voltage detector. The chip has an internal reference voltage which is compared to an external voltage. When the external voltage falls below or rises above the threshold, the reset signal is activated. This signal can then be used to reset the system or to trigger an appropriate shutdown procedure. Due to its high accuracy threshold detection, the MAX6310UK30D3-T is suitable for off-line/hot-plug applications, such as the protection of a battery during charge and discharge cycles. There are also protection settings for the case of AC adapter abnormality.

Another main application of the MAX6310UK30D3-T is a power-up sequencing, in which the reset signal is utilized for the control of power trains. The device can detect an external power fault condition, and it has an input-channel select pins for connecting up to 6 external voltage sources. The reset signal from the MAX6310UK30D3-T can be used to delay power-up of one or more of the voltage sources, until all components in the power-up sequence are in place. This ensures the system maintains a reliable and stable functioning state.

In summary, the MAX6310UK30D3-T is a supervisor-level power management integrated circuit that can accurately detect out-of-tolerance electrical signals and provide a reset signal to the processor. It is ideal for applications that require high accuracy threshold detection and low power consumption, such as portable/battery operated systems and off-line/hot-plug applications. Additionally, the MAX6310UK30D3-T can also be used for power-up sequencing, ensuring that all components in the power-up sequence are in place before other components gain access to the power supply.

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