MAX6313UK48D3-T

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The MAX6313UK48D3-T is a four-input micropower supervisor with manual reset. This part is a popular choice for battery management systems, as it takes very little current from the battery and turns on reliably within milliseconds. The MAX6313UK48D3-T is categorized as a PMIC (Power Management IC) - Supervisors.

PMIC - Supervisors are power management integrated circuits that monitor system parameters and supply auxiliary power to precisely control the power levels in electronic devices such as smartphones, notebook computers, servers, digital cameras and large screen TVs. Supervisors provide protection against overvoltage and undervoltage conditions, and being highly efficient, they usually have a very low power consumption. Different supervisors are used for different types of applications, such as low voltage designs, digital power supplies, PMU, wearable devices, etc.

The MAX6313UK48D3-T is suitable for use in mobile applications that are powered from Li-ion batteries and require fast power up times. Its low quiescent current (1.2 μA maximum) makes it an ideal choice for such applications. It is qualified for harsh automotive environments, and comes in a small 25-bump WLCSP package that has a total footprint of 2.2mm x 3.2mm.

The MAX6313UK48D3-T features three comparators (VBAT, VIN, and COMP) and one voltage reference. The VBAT comparator is used to detect when the battery voltage (typically 3.3V to 4.2V) is below the user-defined threshold, and triggers the active-low reset output (RESET) upon detection. The voltage reference is adjustable and can be used to adjust the threshold voltage of the VBAT input. The VIN comparator is included to detect any failure of the external power regulator output. The RESET output can also src/disable the MAX6313UK48D3-T itself.

The MAX6313UK48D3-T has a fast response time of typically 18μs for VBAT, allowing for fast system startup. An additional reset delay option is also available, allowing for a period of up to 800ms from power-on reset detection to RESET assertion. This feature is useful for systems that require a longer reset assertion sequence than the VBAT response time.

The MAX6313UK48D3-T can be used in a variety of application fields, such as automotive and military, health and medical, consumer, industrial, communications and audio/video. In automotive applications, it is used to monitor the battery voltage and enable/disable the system if the voltage goes below a certain level. In health and medical applications it is used to ensure that the correct power supply is being used to power the devices. In consumer applications, it is used to protect the system from high voltage and low voltage conditions, and in industrial applications it is used to monitor system parameters and monitor power-related activities.

The MAX6313UK48D3-T is an excellent choice for a variety of applications because of its low-power micropower design and its reliability in harsh automotive environments. With a fast response time and adjustable reset delay, it is ideal for a variety of applications where the power needs to be monitored and the system needs to be protected against high and low voltage conditions.

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