MC33984CHFK

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The MC33984CHFK, a power distribution switch, load driver, and power management integrated circuit (PMIC), is a device designed for use in off-grid and automotive applications. It offers a wide range of features, such as an adjustable logic output pin, current sense amplifier, short circuit detection and protection, load switch current limiting, low power consumption, and built-in protection against input over voltage. In addition, its low standby current consumption and fast switch turn-on time make it suitable for applications that require quick response times. The MC33984CHFK is available in a 28 pin UQFN package.

The MC33984CHFK is a power management IC (PMIC) with a wide range of functionalities. It includes two power paths, a power source and a power sink, two low-side switches, two high-side switches, two current-sense amplifiers, an adjustable logic output pin, and a few other components. The two power paths enable dual bidirectional DC-to-DC power flow between two devices while the two low-side and high-side switches allow the power to be regulated. The current sense amplifiers enable monitoring of voltage and current levels. The adjustable logic output pin can be set for either high or low active signals and can be used for monitoring of over-current and over-voltage protection. In addition, the MC33984CHFK features built-in protection against input over voltage. This feature provides protection against sudden voltage fluctuations by restricting the amount of current and voltage allowed to pass through the device.

The MC33984CHFK is designed for a variety of automotive applications such as automotive infotainment, gaming systems, engine control systems, and other devices requiring rapid switching. It is suitable for off-grid applications where high efficiency and reliable operation are required. Due to its low power consumption and fast switching, it also has applications in home automation and other low-noise applications. The device is available in a compact 28-pin UQFN package that fits in small space-constrained applications.

The MC33984CHFK is composed of several amplifier circuits and switching elements enclosed in a single package. The device includes two high-side switches (HS1 and HS2) and two low-side switches (LS1 and LS2). Both the high-side and low-side switches integrate a sense amplifier that can detect and monitor the voltage and current levels, allowing for protection against over-current and over-voltage conditions. These switches also feature current limiting protection, allowing the device to limit the amount of current that can pass through the switches.

In addition, the MC33984CHFK features an adjustable logic output pin that can be set for either high or low active signals. This is used to provide information about the device’s current state and other parameters. For example, the pin can be set to a low logic level when the current reaches a predetermined threshold, or to a high logic level when the device is over-heated. The adjustable logic pin can also be used to detect over-current or over-voltage protection, as well as providing a means of monitoring the device’s performance.

The MC33984CHFK is an efficient, reliable, and cost-effective power management IC specifically designed for automotive, off-grid, and other low-noise applications. It provides both high current switching capabilities, low standby current consumption, protection against input overvoltage, and adjustable logic output pin for monitoring. With its features and performance, it is a great choice for a variety of applications that require power management solutions.

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