IW657P-27-74B

Controllers Overview

The IW657P-27-74B is a USB Power Delivery 3.0 controller manufactured by Renesas Electronics, designed for integration with the iW1791 AC/DC digital controller in travel adapter applications. It supports USB-C PD standards and Qualcomm Quick Charge 4+. The device features an integrated current sense amplifier to monitor output conditions accurately. It operates within a supply voltage range of 3.3 V to 21 V. Communication with the primary-side controller is facilitated via an optocoupler interface, transmitting voltage requests, current limits, and fault signals.

Controllers Feature Summary

• Supports USB Power Delivery 3.0 and Qualcomm Quick Charge 4+ protocols
• Integrates current sensing capabilities for precise output monitoring
• Optimized companion controller for the iW1791 AC/DC power supply

Controllers Applications

• Mobile device travel adapters requiring fast charging
• USB-C PD compliant power supplies
• Qualcomm Quick Charge compatible chargers

Controllers Procurement Notes

Verify component authenticity through authorized Renesas distributors or direct manufacturer channels. Confirm specific suffix variations against official datasheets to ensure functional compatibility. Request RoHS compliance documentation and traceability records prior to acquisition. Validate that the supplier provides genuine parts with intact markings to avoid counterfeit risks.

Controllers Selection Notes

Select this component when designing USB PD 3.0 adapters intended to pair with the iW1791 controller. Ensure the design accommodates the required optocoupler interface for secondary-to-primary communication. Verify that the application environment falls within the specified operating temperature range and voltage constraints defined in the technical specifications.

Controllers Part Context

This part belongs to the iW657P series of USB interface controllers from Renesas. It is specifically engineered to manage power delivery negotiations and safety monitoring in high-performance charging solutions. The series focuses on reducing bill-of-materials costs while maintaining robust protocol support for modern mobile devices.

Controllers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult Renesas engineering resources for potential cross-references or updated product line replacements.