IW661-01

Power Supply Controllers, Monitors Overview

The IW661-01 is a USB interface integrated circuit manufactured by Renesas Electronics Corporation. It functions as an AC/DC secondary-side synchronous rectification and rapid charge interface controller designed for AFC (Adaptive Fast Charging) applications. The device incorporates DLNK technology to facilitate communication between the primary and secondary sides of the power supply. This component is part of the iW661 series, which focuses on power management solutions for USB charging systems.

Power Supply Controllers, Monitors Feature Summary

• Integrates secondary-side synchronous rectification control for AC/DC converters
• Supports rapid charge interface protocols including AFC
• Utilizes DLNK technology for primary-secondary side communication

Power Supply Controllers, Monitors Applications

• AC/DC adapter designs requiring adaptive fast charging
• USB-powered devices supporting AFC standards
• Secondary-side control in synchronous rectifier circuits

Power Supply Controllers, Monitors Procurement Notes

Verify current availability status directly with authorized distributors or Renesas, as supply conditions may vary. Confirm that the specific suffix '-01' matches the required package and tape/reel specifications for your manufacturing process. Ensure compliance with RoHS directives and other relevant regulatory requirements before integration into final products.

Power Supply Controllers, Monitors Selection Notes

Select this component when designing AC/DC converters that require integrated synchronous rectification and AFC support. It is suitable for applications needing DLNK-based feedback without additional optocouplers. Consider the 10-MSOP package constraints and thermal performance relative to your power density requirements.

Power Supply Controllers, Monitors Part Context

The IW661-01 belongs to the iW661 family of USB interface ICs from Renesas. This series targets efficient power delivery in modern charging adapters. The component bridges the gap between standard USB interfaces and advanced fast-charging protocols like AFC, enabling compact and efficient power supply designs.

Power Supply Controllers, Monitors Replacement Considerations

Check for direct pin-compatible alternatives within the iW661 series, such as the IW661-00, if functional differences allow. Verify electrical characteristics and package dimensions against any potential substitute components to ensure seamless integration.