ICE5QR1680BGXUMA1

AC DC Converters, Offline Switchers Overview

The ICE5QR1680BGXUMA1 is a quasi-resonant flyback AC/DC converter from Infineon’s CoolSET family, housed in a PG-DSO-12 package. It integrates an 800 V CoolMOS power switch and controller for offline applications. Key parameters include a maximum output power of 50 W, a switching frequency of 20 kHz, and a supply voltage range of 10 V to 25.5 V. The device supports a maximum output current of 600 mA, operates within a temperature range of -40 °C to +150 °C, and features a quiescent supply current of 900 µA.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a high-voltage CoolMOS power switch with a quasi-resonant controller in a single system-in-package.
• Optimized for off-line switch power supplies using cascode configuration for enhanced performance.
• Features low standby power consumption suitable for energy-efficient auxiliary power supply designs.

AC DC Converters, Offline Switchers Applications

• Offline switch power supplies
• Auxiliary power units (aux-psu)
• Industrial power management systems

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'XUMA1' against official Infineon documentation to confirm tape-and-reel packaging specifications. Ensure compatibility with PG-DSO-12 surface-mount assembly processes. Confirm RoHS compliance status through the manufacturer's latest environmental declarations before integration into regulated products.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring integrated high-voltage switching and quasi-resonant control in a compact form factor. Consider the 800 V breakdown voltage and 50 W power capability when sizing transformer components. Evaluate thermal management requirements given the +150 °C maximum junction temperature rating and DSO-12 package constraints.

AC DC Converters, Offline Switchers Part Context

This part belongs to the fifth-generation QR CoolSET series, which combines power MOSFETs with advanced control logic. It targets cost-sensitive, high-efficiency applications where board space is limited. The integration reduces external component count compared to discrete solutions while maintaining robust protection features typical of modern power management ICs.

AC DC Converters, Offline Switchers Replacement Considerations

Check for direct pin-compatible upgrades within the same CoolSET generation. Verify if alternative suffixes offer different packaging or temperature grades. Cross-reference electrical limits with newer generations to ensure backward compatibility in existing reference designs.