ACT8935

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

ACT8935 Application Field and Working Principle

ACT8935 is a specialized Power Management Integrated Circuit (PMIC) designed to provide power supplies and loads, which are used in various devices and applications. It offers four voltage outputs and the capability to configure the outputs and monitor the system’s power-supply status.

1. Applications of ACT8935

The ACT8935 has been developed for many diverse applications that require multiple power supplies and circuit protection. With its multiple-output capability, the device can be used in computers, cellular phones, PDAs, digital cameras, and other portable or stationary equipment.

The device provides four voltage output regulators. It integrates a linear regulator and DC-DC converter to supply and control the supply voltage range from 3V to 28V. Additionally, it has two temperature and two current monitoring inputs, as well as over-temperature protection, system shutdown control, and over-voltage detection capability.

The device is typically used in portable and stationary computing systems, PDAs, LCD monitors, mobile phones, DVD players, digital cameras and other devices. In these applications, the ACT8935 can provide an efficient power conversion, current monitoring and voltage protection.

2. Features of ACT8935

The device features an integrated ARM Cortex-M3 microcontroller which provides monitoring and control of the system, as well as intelligent power management. The microcontroller is capable of sensing the system power supply levels and controlling them in order to provide the best power savings without degrading system performance.

The ACT8935 includes four voltage output regulators, which provides multiple power supplies for different applications. It also includes current monitoring inputs, temperature sensing, as well as over-voltage and over-temperature protection.

In addition to providing multiple power supplies and circuit protection, the device also features an extensive range of features that ensure system reliability. It integrates programmable power sequencing, shutdown control, and fault detection, which can be configured via the integrated microcontroller.

3. Working Principle

The power management in the ACT8935 is based on two modules: the microcontroller and the voltage output regulators. The microcontroller communicates with the voltage outputs through I2C and GPIO. This communication is used for settings of the voltage outputs, monitoring of the power supply, and for control of the power management.

The microcontroller performs the power sequencing and fault detection, which ensures that the voltage outputs are sequenced properly when the system is powered on and off. This can be important in the case of systems that have multiple power supplies that need to be stable during startup required.

The microcontroller also controls the voltage output regulators, monitoring the current and temperature of the system and providing necessary protection. It also provides over-voltage detection to ensure the power supply is safe in case of over-voltage situations.

Conclusion

The ACT8935 is a specialized PMIC that is designed with four voltage outputs, monitoring, and protection. It is used in portable and stationary computing systems, PDAs, LCD monitors, mobile phones, DVD players, digital cameras, and other devices. The device integrates an ARM Cortex-M3 microcontroller to provide monitoring and control of the system, as well as power sequencing and fault detection. It also monitors the current and temperature of the system and provides over-voltage protection.

The specific data is subject to PDF, and the above content is for reference