The RT9367C is a highly integrated power management IC (PMIC) from Richtek, designed for a wide range of portable applications, including smartphones, tablets, and other battery-powered devices. This PMIC integrates multiple power rails, battery charging functionality, and system power management features into a single chip, reducing board space and component count while improving overall system efficiency.

Applications

• Smartphones
• Tablets
• Portable media players
• Wearable devices
• Low-power IoT devices

Features

• High-Efficiency DC-DC Converters: Multiple buck converters with high efficiency for core voltage, memory, and I/O rails.
• Integrated Battery Charger: Supports various battery chemistries with programmable charging parameters.
• Low Quiescent Current: Minimizes power consumption during standby and idle modes.
• I2C Interface: Allows for flexible configuration and monitoring of power rails and charging parameters.
• Protection Features: Over-voltage, over-current, and over-temperature protection to ensure system reliability.
• Compact Package: Available in a small form factor package for space-constrained applications.

Benefits

• Reduced Board Space: Integration of multiple power functions reduces the need for discrete components, saving board space.
• Improved System Efficiency: High-efficiency DC-DC converters and low quiescent current contribute to longer battery life.
• Flexible Configuration: I2C interface allows for easy configuration and customization of power rails and charging parameters.
• Enhanced System Reliability: Comprehensive protection features ensure safe and reliable operation.
• Simplified Design: Integrated solution simplifies power management design and reduces time-to-market.

The RT9367C features multiple high-efficiency buck converters that provide power to different system components, such as the processor core, memory, and I/O interfaces. These converters are optimized for high efficiency across a wide range of load conditions, ensuring minimal power loss. The integrated battery charger supports various battery chemistries, including Lithium-ion and Lithium-polymer, and allows for programmable charging parameters, such as charging current and voltage. The I2C interface enables flexible configuration and monitoring of the PMIC, allowing designers to optimize the power management solution for their specific application. Furthermore, the RT9367C includes comprehensive protection features, such as over-voltage, over-current, and over-temperature protection, to ensure system reliability and prevent damage in the event of a fault condition.

Technical Specifications: Input voltage range typically spans from 2.7V to 5.5V, with output voltage programmable via the I2C interface. The operating temperature range is generally between -40°C and +85°C, suitable for a wide range of environmental conditions.