ACT8840QM188-T

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The ACT8840QM188-T is a modern power management integrated circuit (PMIC) that is optimized for the automotive industry. It is a specialized part of today’s Power Management family that provides the most advanced features for battery and system management in vehicles.This product is a comprehensive power management solution for applications such as Auxiliary Power, Battery Charging, Sensor Supply and Bi-Directional Voltage Conversion. It provides high efficiency from power sources to battery, system and peripheral power outputs, under extreme environmental conditions.The ACT8840QM188-T incorporates the following features:

• Dual Battery Support – With dual-sense battery monitoring, it provides charging for both the high and low voltage battery systems and supports a wide range of configurations.
• Energy Harvesting – Energy harvesting support includes a programmable voltage boost and power conversion between the power inputs and outputs. This enables higher efficiency energy transfer.
• Multi-Voltage Interface (MVI) – This is an advanced power management protocol that supports the power exchange between different power domains, such as between the Auxiliary Power and Battery.
• Isolated Current Sensing – This type of sensing allows you to monitor current between two points, providing improved diagnostics of the system and better efficiency.
• Power Path Management – This feature enables the efficient routing of power from the input sources to the system output through the intelligent use of diode ORing and programmable power topology.

The ACT8840QM188-T is able to analyze the input power sources and optimize the power delivery based on the operating conditions. It dynamically switches its power routing between sources to ensure the highest efficiency for the system output. It also provides protection from overvoltage, overcurrent, undervoltage, and temperature events.In terms of its working principle, the ACT8840QM188-T can be used to efficiently manage power from one or more sources to a single load. It monitors the voltage at the load and adjusts the power flow accordingly to compensate for switching transients and over-voltage issues. The controller is capable of switching between multiple power sources, allowing it to automatically choose the best source based on factors such as voltage, current, and temperature.The device is highly configurable, allowing designers to optimize the power routing and power supply design parameters. It can also handle multiple types of power sources, including DC/DC converters, anarray of solar cells, and a battery power source. This enables the design of more efficient and reliable power supplies for automotive applications.Overall, the ACT8840QM188-T is an ideal solution for efficient power management in vehicle and other extreme environmental applications. It is designed to provide high efficiency from power sources to battery, system and peripheral outputs. This device provides optimal protection from overvoltage and undervoltage events and enables intelligent power routing from multiple power sources.

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