IW1791-16

Power Supply Controllers, Monitors Overview

The iW1791-16 is a primary-side regulation AC/DC power supply controller from Renesas, designed for high-power-density applications. It supports up to 500W output across wide input and output voltage ranges. The device integrates RapidCharge technology and supports USB Power Delivery (USB PD) 3.0 with programmable power supply (PPS) capabilities, requiring a 10mV DLNK voltage step request. It features zero-standby-power operation and utilizes surface-mount packaging for structural integrity.

Power Supply Controllers, Monitors Feature Summary

• Supports USB PD 3.0 and proprietary rapid charge protocols via DLNK voltage control
• Enables zero-standby-power operation for energy-efficient AC/DC conversion
• Integrates RapidCharge technology for high-power-density solutions

Power Supply Controllers, Monitors Applications

• High-power-density AC/DC adapters
• USB PD 3.0 compatible chargers
• Zero-standby-power consumer electronics power supplies

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix designation against official Renesas documentation to confirm exact electrical characteristics and pinout compatibility. Ensure the component meets regional regulatory standards for standby power consumption. Confirm package type and mounting style requirements align with your PCB design specifications before procurement.

Power Supply Controllers, Monitors Selection Notes

Select this controller for designs requiring integrated USB PD 3.0 support and high power density without secondary-side feedback components. Consider its primary-side regulation architecture for cost reduction and simplified BOM. Evaluate thermal management needs given the potential for up to 500W output power in compact form factors.

Power Supply Controllers, Monitors Part Context

This component belongs to Renesas' iWatt family of digital power controllers, specifically targeting the AC/DC converter market. It complements other power management solutions by offering advanced charging protocol support and efficiency optimizations for modern electronic devices requiring fast charging capabilities.

Power Supply Controllers, Monitors Replacement Considerations

Check for direct substitutes within the iW1791 series or compatible Renesas AC/DC controllers. Verify functional equivalence regarding USB PD support and maximum power handling capabilities when considering alternative part numbers.