RT3663BCGQW

AC DC Converters, Offline Switchers Overview

The RT3663BCGQW is a dual-output PWM controller compliant with AMD SVI2 specifications, designed for mobile CPU power supplies supporting VDD and VDDNB domains. It integrates three MOSFET drivers and utilizes G-NAVP topology with CCRCOT control. The device supports configurable phase counts of 3/2/1 for VDD and 2/1/0 for VDDNB. It features programmable droop via error amplifier DC gain, digitally encoded voltage and current transmission, and operates in single-phase or diode emulation modes to achieve up to 90% efficiency under varying loads.

AC DC Converters, Offline Switchers Feature Summary

• Compliant with AMD SVI2 Voltage Regulator Specification for mobile CPU core and Northbridge power delivery
• Integrates proprietary G-NAVP topology with Constant Current Ripple Constant On-Time control for optimized Adaptive Voltage Positioning
• Provides embedded MOSFET drivers and digitally encoded interface for voltage and current data transmission
• Includes comprehensive fault protection mechanisms such as over-voltage, under-voltage, negative-voltage, and dual over-current indication

AC DC Converters, Offline Switchers Applications

• AMD SVI2 compliant mobile CPU core (VDD) power supply design
• Northbridge portion of the CPU (VDDNB) power regulation
• Multi-phase PWM controller implementation for portable computing devices

AC DC Converters, Offline Switchers Procurement Notes

Verify that the specific suffix GQW corresponds to the required package type and tape-and-reel configuration as defined by Richtek Technology Corporation. Confirm that the component meets the exact AMD SVI2 specification requirements for your target application. Ensure compatibility with the intended PCB layout and thermal management strategies before finalizing procurement orders.

AC DC Converters, Offline Switchers Selection Notes

Select this controller when designing power stages requiring strict adherence to AMD SVI2 protocols for both core and Northbridge voltages. The integrated driver capability reduces external component count, while the G-NAVP topology simplifies compensation for dynamic load-line adjustments. Consider the maximum efficiency ratings in diode emulation mode if light-load performance is critical for battery-operated systems.

AC DC Converters, Offline Switchers Part Context

This component belongs to the RT3663 series of multi-channel ICs manufactured by Richtek Technology Corporation. It is categorized under offline converter topologies within the PMIC segment. The datasheet indicates a file size of 515KB across 43 pages, providing detailed electrical characteristics and application circuit guidelines for system integrators.

AC DC Converters, Offline Switchers Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Verify pin-to-pin compatibility and SVI2 protocol support if considering alternative vendors for this specific dual-output controller function.