MAX6382XR44D5-T

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Power management integrated circuit (PMIC) is a key component in a power management system for providing power supply, system management and controlling power throughout the circuit. Among PMIC, supervisors are important for providing reset signal and keeping the power supply design of the system stable. MAX6382XR44D5-T is one of the latest supervisors designed by Maxim Integrated, which is suitable for various applications with its high-performance technology.

MAX6382XR44D5-T is a low-cost, ultra-small, ultra low-power supervisor that includes a watchdog timer, a power-on reset (POR), a voltage detector (VD) and an MOSFET driver. It is packaged in a D5-T4 package that is about 70% smaller than the original chip package for a similar application. It features low power consumption, wide-operating temperature range and an adjustable reset time. Its integrated MOSFET driver offers 10MHz switching frequency and can be configured for different reset thresholds and pinout options.

The main application field of this supervisor is embedded systems such as automotive, industrial, consumer and wearables technology. In automotive application, MAX6382XR44D5-T can be used as a battery under-voltage monitor, providing reset signal when the input power supply is unreliable or in fail-safe condition. In industrial system, this supervisor can be used to detect and prevent over-temperature, over-voltage and under-voltage conditions. In consumer and wearables technology, this supervisor helps conserve power by providing reset signals and stabilizing the voltage in portable electronics.

Regarding the working principle of this supervisor, the input power supply is monitored by the voltage detector (VD). When the level of the input voltage is lower than the set threshold, the VD will reset the system by raising the reset output to a low level. In addition, a watchdog timer is integrated in this supervisor which monitors the device\'s operations to safeguard system from a runaway condition due to a fault. The reset output will also be pulled down if the watchdog timer is not reset in time, then this will alert the system and reset it to a safe starting point. Apart from that, the integrated MOSFET driver outputs a time-limited reset pulse which is frequently applied for high-current applications.

In summary, MAX6382XR44D5-T is an advanced low-cost, ultra small and ultra low-power supervisor designed by Maxim Integrated. This supervisor is suitable for various applications such as automotive, industrial, consumer and wearables technology, with its wide operating temperature range, adjustable reset time and the integrated MOSFET driver. It monitors the input voltage and will reset the system when it is lower than the set threshold, which keeps the power supply design of the system stable. With its high-performance technology and its ultra-small package size, MAX6382XR44D5-T is an excellent choice for PMIC supervisors nowadays.

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