The Rockchip RK808-D is a Power Management IC (PMIC) designed for Rockchip's application processors. It provides comprehensive power management solutions for various system components, ensuring stable and efficient operation. This PMIC integrates multiple voltage regulators, including DC-DC converters and LDOs, to supply different voltage domains required by the processor, memory, and peripherals.

Applications:

• Tablets: Used in various tablet devices to manage power distribution and optimize battery life.
• Set-Top Boxes: Found in set-top boxes for efficient power regulation.
• IoT Devices: Integrated in a wide range of IoT devices requiring precise power control.
• Mobile Devices: Employed in smartphones and other mobile devices to manage power consumption.
• Embedded Systems: Utilized in embedded systems requiring reliable and efficient power management.

Features:

• Multiple DC-DC Converters: Integrates several DC-DC converters to efficiently step down voltage levels.
• LDO Regulators: Includes Low Dropout (LDO) regulators for low-noise power supply to sensitive components.
• I2C Interface: Features an I2C interface for easy configuration and monitoring.
• Power Sequencing: Supports programmable power sequencing to ensure proper system startup and shutdown.
• Over-Voltage and Over-Current Protection: Provides comprehensive protection against over-voltage and over-current conditions.
• Thermal Shutdown Protection: Implements thermal shutdown protection to prevent overheating.
• Dynamic Voltage Scaling (DVS): Supports DVS to optimize power consumption based on the system workload.

Benefits:

• Improved Battery Life: Optimizes power consumption, resulting in extended battery life for portable devices.
• Enhanced System Stability: Provides stable and regulated power supply, ensuring reliable system operation.
• Reduced Board Space: Integrates multiple power management functions into a single chip, reducing board space.
• Simplified Design: Simplifies power management design, reducing design complexity and time-to-market.
• Cost-Effective Solution: Offers a cost-effective power management solution for various applications.

Additional Details:

The RK808-D typically operates with an input voltage range of 2.7V to 5.5V. It offers a wide range of programmable output voltages and current limits. The PMIC also features various protection mechanisms, including short-circuit protection and over-temperature protection. Its compact size and integrated features make it suitable for a wide range of applications.