The Qualcomm PM6650 is a highly integrated power management IC (PMIC) designed for use in mobile devices, particularly smartphones and tablets. It is engineered to provide efficient and reliable power distribution and management across various system components, ensuring optimal performance and extended battery life. The PM6650 typically integrates multiple voltage regulators, battery charging circuitry, and protection features into a single chip, reducing the overall component count and simplifying the system design.

Applications

• Smartphones
• Tablets
• Portable Gaming Devices
• Other Mobile Computing Platforms

Features

• Multiple Integrated Regulators: Includes a variety of voltage regulators, such as buck converters, LDOs (low-dropout regulators), and boost converters, to supply different voltage levels required by various system components.
• Battery Charging: Manages the battery charging process, supporting various charging protocols and ensuring safe and efficient charging.
• Power Sequencing: Controls the power-up and power-down sequences of different voltage rails, ensuring proper system initialization and preventing damage to sensitive components.
• Protection Circuits: Features robust protection mechanisms, including over-voltage protection (OVP), over-current protection (OCP), and over-temperature protection (OTP), to safeguard the device against potential damage.
• Fuel Gauging: Provides accurate battery fuel gauging functionality, allowing the system to accurately estimate the remaining battery capacity.
• I2C/SPI Interface: Communicates with the host processor via I2C or SPI interface, enabling dynamic voltage and current control and monitoring.

Benefits

• Extended Battery Life: Efficient power management and low quiescent current contribute to extended battery life.
• Reduced System Size and Cost: Integration of multiple power management functions reduces the number of discrete components required, leading to smaller and more cost-effective devices.
• Enhanced System Reliability: Comprehensive protection features ensure reliable operation and prevent damage to the device.
• Simplified Design: The integrated nature of the PM6650 simplifies the system design process.
• Optimized Performance: Dynamic voltage and current control allows for optimized performance and power consumption.

Additional Details

The PM6650 is designed to meet the stringent power management requirements of modern mobile devices. It supports various battery chemistries and charging standards. The compact package size allows it to be used in space-constrained applications. Specific voltage and current ratings for each regulator can be found in the device datasheet. The CD90-V9925-1MTR likely refers to a specific configuration or production lot of the PM6650.