The RT8813AGQW(Z00) is a multi-phase synchronous buck controller manufactured by Richtek USA Inc. It is designed for CPU core power supply applications in notebook computers and other portable devices. This controller supports adaptive voltage positioning (AVP) and provides accurate voltage regulation, high efficiency, and robust protection features.

Applications

• CPU Core Power Supplies
• Notebook Computers
• Portable Devices
• Graphics Card Power Supplies
• Voltage Regulators

Features

• Multi-Phase Operation: Provides high current capability and reduces output ripple.
• Adaptive Voltage Positioning (AVP): Optimizes voltage regulation for improved transient response.
• Accurate Voltage Regulation: Ensures stable and precise power delivery.
• High Efficiency: Minimizes power losses and extends battery life.
• Over-Voltage Protection (OVP): Protects the load from excessive voltage.
• Over-Current Protection (OCP): Prevents damage from excessive current.
• Under-Voltage Protection (UVP): Shuts down the controller in case of low input voltage.
• Thermal Shutdown Protection (OTP): Protects the controller from overheating.

Benefits

• Improved CPU Performance: Accurate voltage regulation ensures stable and reliable CPU operation.
• Extended Battery Life: High efficiency minimizes power losses, extending battery life in portable devices.
• Enhanced System Reliability: Robust protection features prevent damage from fault conditions.
• Simplified Circuit Design: Integrated features reduce the number of external components required.
• Compact Design: Small package size allows for a smaller footprint in circuit designs.

Technical Specifications

The RT8813AGQW(Z00) supports multi-phase operation and provides accurate voltage regulation. It features adaptive voltage positioning (AVP) for improved transient response. The controller includes over-voltage protection (OVP), over-current protection (OCP), under-voltage protection (UVP), and thermal shutdown protection (OTP). It is available in a small QFN package. The operating temperature ranges from -40°C to +85°C. Detailed specifications include switching frequency, output voltage range, and protection thresholds.

This multi-phase synchronous buck controller is designed to provide high-performance and reliable power delivery for CPU core power supply applications. Its advanced features and robust protection mechanisms make it an excellent choice for notebook computers and other portable devices.