IW1796-19

Power Supply Controllers, Monitors Overview

The IW1796-19 is a high-performance AC/DC primary-side rapid charge PWM controller supporting XM-Comm technology. It operates in flyback topology with primary-side regulation and peak current mode DCM control. The device features a switching frequency range of 76 kHz to 80 kHz, delivering up to 27W output power. Electrical characteristics include a UVLO rising threshold of 15.5V, falling threshold of 7.2V, and a maximum VBIAS of 40V. It integrates one FET driver with a maximum output current of 1A. Packaged in SOIC-8, it supports USB PD 3.0 and Qualcomm Quick Charge 4+ protocols.

Power Supply Controllers, Monitors Feature Summary

• Supports Rapid Charge protocols including USB PD 3.0 and Qualcomm Quick Charge 4+
• Enables reduced bill of materials through primary-side regulation
• Integrates XM-Comm technology for enhanced communication capabilities

Power Supply Controllers, Monitors Applications

• USB PD 3.0 AC/DC power adapters for smartphones, tablets, and laptops
• Power supplies for set-top boxes, displays, and speakers
• In-the-wall receptacles with USB PD 3.0 ports
• Lamps and lighting fixtures with USB PD 3.0 ports

Power Supply Controllers, Monitors Procurement Notes

Verify current availability status as the component may be subject to limited supply or factory special order conditions. Confirm RoHS compliance details and specific packaging requirements such as reel or cut tape options before finalizing procurement plans. Ensure design-in compatibility with required rapid charge standards.

Power Supply Controllers, Monitors Selection Notes

Select this controller for designs requiring primary-side regulation to minimize external components. Suitable for applications needing support for multiple rapid charge standards within a 27W power envelope. Consider the SOIC-8 package constraints and thermal management requirements associated with the specified switching frequency range.

Power Supply Controllers, Monitors Part Context

Part of the iW1796 series from Renesas Electronics Corporation, focusing on efficient power management solutions. Belongs to the PMIC - Power Management ICs subcategory under Switching Controllers. Designed to address modern mobile device charging needs with integrated protocol support.

Power Supply Controllers, Monitors Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.