IW1796-29

Power Supply Controllers, Monitors Overview

The IW1796-29 is a high-performance AC/DC primary-side regulation PWM controller designed for rapid charge applications, supporting XM-Comm technology. It operates in DCM flyback topology with peak current mode control. The device features a UVLO threshold of 15.5V rising and 7.2V falling, with a maximum VBIAS of 40V. It delivers up to 27W output power at a switching frequency range of 76kHz to 76kHz. Packaged in an SOIC-8, it supports USB PD 3.0, Qualcomm Quick Charge 4+, and direct charge protocols.

Power Supply Controllers, Monitors Feature Summary

• Supports XM-Comm technology for enhanced communication capabilities
• Primary-side regulation for simplified design and cost reduction
• Integrated FET driver with 1A output current capability
• Optimized for rapid charge protocol compatibility

Power Supply Controllers, Monitors Applications

• USB PD 3.0 AC/DC Power Adapters for Smartphones
• Power Supplies for Set-Top Boxes and Displays
• Lamps and Lighting Fixtures with USB PD 3.0 Ports
• In-the-Wall Receptacles with Rapid Charge Support

Power Supply Controllers, Monitors Procurement Notes

Verify availability status as the component may be subject to limited supply or special factory orders. Confirm end-of-life or last-time-buy status through official Renesas channels before finalizing procurement plans. Ensure compliance with RoHS and other regulatory requirements applicable to your region.

Power Supply Controllers, Monitors Selection Notes

Select this controller for designs requiring primary-side regulation in AC/DC converters up to 27W. Consider its support for multiple rapid charge protocols when designing adapters for mobile devices. Evaluate thermal management needs given the SOIC-8 package constraints and verify compatibility with target charger standards.

Power Supply Controllers, Monitors Part Context

The IW1796-29 belongs to Renesas' portfolio of AC/DC controllers focused on rapid charging solutions. It complements other power management ICs by providing efficient primary-side regulation without requiring optocouplers. This series targets consumer electronics power supplies where size, cost, and charging speed are critical design factors.

Power Supply Controllers, Monitors Replacement Considerations

Check Renesas official cross-reference lists for compatible alternatives. Verify pinout and electrical parameter compatibility if substituting with similar primary-side controllers from other manufacturers.