P9023-0AHGI

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Power management integrated circuits (PMICs) are an essential component of modern electronics and power systems. As the name implies, PMICs provide integrated solutions for managing the power requirements of any particular device or system. These devices can be tailored to suit a wide range of applications, from very low power microcontrollers and sensors to medium and high power motors and industrial equipment.

P9023-0AHGI is one such PMIC device from the TI Power Management portfolio, which is a specialized PMIC with automated multiple rail power control. It has been specifically designed to address the needs of controlling multiple low and high power-consuming rails in audio and low-power industrial and automotive applications.

Application Field

P9023-0AHGI is used in a wide range of audio, automotive, industrial and other low-power applications. Some of the key applications include:

• Automotive Stereo and Head Unit Systems
• Automotive Instrument Clusters
• Consumer Audio Products
• Industrial Control Systems
• Robotics Applications

The device features a highly integrated and configurable IRMS architecture that offers flexible control of multiple rails and enables it to shift among multiple power configurations. This makes it ideal for applications requiring multiple power rails with different levels of current- and voltage-regulation accuracy that must be managed independently.

Working Principle

The P9023-0AHGI works with a dual-channel IRMS architecture that enables both current- and voltage-regulation, along with fault monitoring, for multiple rails. The device incorporates adaptive voltage scaling (AVS), a low-noise design, safety and liveliness monitoring, undervoltage lockout (UVLO) and additional features that support a wide range of industrial and automotive applications.

The two integrated MOSFETs are electrostatically triggered when faults are detected. This provides protection against short-circuit and overcurrent conditions, as well as a soft-start ramp that helps reduce in-rush current.

The P9023-0AHGI also features an overvoltage lockout (OVLO) circuit to detect when the output voltage is above the configured threshold. In this case, it will shut down the output circuitry while allowing other operating sections to remain active. The device also features an analog gain stage that enables precise control of the output voltage.

The P9023-0AHGI incorporates a programmable sleep mode, which reduces the total output current to a level below the normal operating current of the device. This helps to reduce the overall power consumption of the system, thereby improving the system’s efficiency and battery life.

Finally, the device also includes several diagnostic and control outputs. These signals allows for quick system diagnosis and fault indication, as well as additional output voltage and current monitoring, system status and fault indication.

Conclusion

P9023-0AHGI is an innovative PMIC device from the TI Power Management portfolio that has been designed to provide an integrated solution for multiple rail power control in audio, industrial, automotive and other low-power applications. It features a highly integrated and configurable IRMS architecture that offers flexible control of multiple rails and enables efficient and reliable power management. In addition, it offers safety, liveliness monitoring and other features to help ensure optimal performance in any given application.

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