ACT8848QM134-T

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Part Status:	Obsolete
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ACT8848QM134-T Application Field and Working Principle

Introduction of ACT8848QM134-T

The ACT8848QM134-T, produced by Active-Semi, is an advanced power management integrated circuit (PMIC) that can provide complete power management solution to multiple smart devices. It can support high power density up to 14A. The output voltage is adjustable, ranging from 0.6V to 5.5V. It also has quick power up/down sequence control and short circuit protection functions. The ACT8848QM134-T is highly integrated and offers high-power performance, including output voltage accuracy of 0.75 per cent, a wide tracking voltage range of 0.63V to 6.0V, low powerstandby mode, and ultra-low quiescent current. This PMIC also features an Energy-Lossless Transition from Standby to Run mode and an adjustable slew rate for the compatibility of many applications.

Application Field of ACT8848QM134-T

The ACT8848QM134-T is a full-featured PMIC. By providing up to 14A of output current in a programmable output voltage range of 0.6V to 5.5V, this device supports various applications, like smart phones, tablets, automotive, IoT nodes, set-top boxes, and more. With the Quick Power UP/Down Sequence Control and adjustable slew rate features, it is able to protect downstream hardware from current surge and also drive power-hungry loads without any distortions.

Working Principle of ACT8848QM134-T

The ACT8848QM134-T uses a proprietary, patented architecture to enable the conversion of multiple input supply and the output of multiple adjustable voltages with very low power loss and high reliability. This transformer-less architecture, which is based on the company’s proprietary PowerPIPE technology, can provide an ultra-high efficiency and operates without the use of transformers or inductors.The PowerPIPE technology also provides a slew-rate adjustability to ensure compatibility with any type of clock or processor, whether it is a single core or multicore processor. This PMIC also offers low power standby mode to save energy during inactive periods. This feature can reduce the impact of battery drainage caused by an idle PMIC when the device is in standby mode.In addition, the ACT8848QM134-T provides system level protection by offering multiple layer of fault protection. It comes equipped with short circuit protection, over-current protection, over-voltage protection and over temperature protection for both input and output stages.

Conclusion

The ACT8848QM134-T is a powerful PMIC with features like adjustable output voltage, quick power up/down sequence control and multiple layer of protection. It is highly integrated and offers high performance with its proprietary PowerPIPE technology. The application fields of the ACT8848QM134-T include smart phones, tablets, automotive, IoT nodes, set-top boxes and more. With its ultra-efficient, transformerless core and adjustable slew rate, it can easily drive power-hungry loads and provide protection to downstream hardware. Finally, the ACT8848QM134-T also offers an extended energy saving mode to reduce the impact of battery drain.

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