ADM1041AARQZ

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The ADM1041AARQZ PMIC is a versatile integrated power supply controller and monitor for laptop or notebook computer applications. It provides a range of operational features, including voltage and current monitoring, thermal protection, over-temperature protection, power sequencing, over-voltage protection and more. It enables usage in a diverse range of applications, from industrial to automotive and from consumer electronics to medical devices.

ADM1041AARQZ Application Field

The ADM1041AARQZ is a multi-function power supply controller that provides comprehensive features including voltage, current, temperature monitoring and protection. It’s design offers optimal performance in a small surface-mount package, suitable for industrial and consumer applications such as laptop and notebook computers, ultrabook systems, netbooks and tablets etc.

It is designed with a highly accurate programmable output on-off control, and can be programmed to any value within the output voltage range, allowing it to be used for notebooks or laptops with different operating currents and voltages. With its variable-speed over-temperature protection, it can help to protect critical system components from thermal damage, as well as reduce overall system power consumption due to its power sequencing feature. Additionally, ADM1041AARQZ also includes a dedicated over-voltage protection (OVP) which helps to extend system life.

ADM1041AARQZ Working Principle

The ADM1041AARQZ power controller has two internal power stages: an analogue-controlled current sink and a delay-controlled voltage source. The current sink regulates the load current, while the delay-controlled voltage source maintains the output voltage. This allows the device to provide a more consistent output voltage than most one-stage power controllers.

The ADM1041AARQZ has several important built-in protections to prevent damage to the system and components, including: a thermal protection to prevent over-heating, an overtemperature protection to limit system stress, an overvoltage protection to prevent voltage overload, a current overload protection to prevent excessive current draw, and a power sequencing feature to ensure that critical system components are powered up in the correct order and at the correct voltage level.

The device is highly configurable, and it is possible to adjust the output voltage, current, temperature, and other parameters. In addition to regulating and monitoring power supply, the device can also be used to measure vital parameters such as the battery charge level and the health of the system.

Conclusion

The ADM1041AARQZ is a versatile and robust power controller for notebooks and laptop applications. It offers excellent performance and features a wide range of protection features to keep the system safe, such as over-voltage, over-temperature, current overload and power sequencing. With its small size and very efficient performance, it is an ideal choice for a wide range of applications.

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