APX803S00-23SA-7

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PMIC or Power Management Integrated Circuits are electronic integrated circuits designed to provide highly efficient power management for electronic devices. The APX803S00-23SA-7 is an example of a PMIC that is widely used in automotive, consumer and industrial applications. In this article, we will discuss the application field and working principle of the APX803S00-23SA-7.

APX803S00-23SA-7 Overview

The APX803S00-23SA-7 is a highly integrated PMIC controller, specifically designed for low-power operation. It is a multi-channel, low-noise, high-efficiency device with a wide operating temperature range of -40°C to +125°C. The device can support up to 5 channels, including USB, DC-DC, LDOs, power gate, and 4-wire peripherals. It is designed to provide high levels of reliability, noise immunity, and fault protection to ensure the power management functions of any device work correctly and safely.

Application Fields of the APX803S00-23SA-7

The APX803S00-23SA-7 has a wide range of applications in various industries. It is commonly used in automotive, consumer, and industrial applications. It is ideal for powering automotive devices, such as automotive audio systems, car alarms, and rearview mirror displays. It is also used in consumer electronics, particularly in portable media players, digital cameras, TVs, and smartphones. Moreover, the APX803S00-23SA-7 is suitable for network communication devices, such as PON OLTS and ONU terminals, communication base stations, and mobile terminals.

Working Principle of the APX803S00-23SA-7

The APX803S00-23SA-7 is designed with a hybrid architecture. It is based on a multi-channel architecture that contains several analog and digital circuitry for monitoring the status of each power channel and taking appropriate actions based on the input signals received. It supports several features that ensure stable and efficient power management. These features include over-voltage protection, over-current protection, thermal protection, and adjustable soft-start time.

The device also has a sophisticated master-slave management system that provides enhanced flexibility in the control of each channel. It enables the user to set different operating modes and power saving parameters, such as voltage and current limits, standby and wake-up times, and operating temperatures via I2C or SPI serial interfaces. This powerful master-slave system helps to ensure that each power channel operates efficiently and safely. Furthermore, the APX803S00-23SA-7 includes a low-dropout voltage regulator for low-noise ripple, voltage noise, and temperature stability.

Conclusion

The APX803S00-23SA-7 is a highly integrated PMIC device that is designed for low-power operation. It supports up to five channels, including USB, DC-DC, LDOs, power gate, and 4-wire peripherals. It is used in automotive, consumer, and industrial applications, such as automotive audio systems, portable media players, PON OLTS and ONU terminals, and communication base stations. It is based on a hybrid architecture and includes a sophisticated master-slave management system, as well as several features for over-voltage, over-current, and thermal protection.

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