IR1167ASTRPBF

Gate Driver Overview

The IR1167ASTRPBF is a SmartRectifier control IC designed for secondary-side synchronous rectification in flyback power supplies. It operates within a supply voltage range of 11.4 V to 18 V and supports switching frequencies up to 500 kHz. The device features programmable minimum on-time (MOT) protection and cycle-by-cycle MOT limiting to prevent false triggering. It delivers a peak output current of 1 A with rise and fall times of approximately 180 ns and 44 ns, respectively. Operating temperatures span from -25°C to +125°C.

Gate Driver Feature Summary

• Integrates proprietary 200 V direct sensing technology for accurate synchronous rectification control without auxiliary windings.
• Provides cycle-by-cycle minimum on-time (MOT) protection to ensure stable operation under light-load conditions.
• Features low quiescent current consumption to enhance overall system efficiency in standby modes.

Gate Driver Applications

• Secondary-side synchronous rectification in flyback AC-DC converters
• High-efficiency external power supply designs meeting DoE VI and EU CoC standards
• Adaptive charging adapters and portable electronic power systems

Gate Driver Procurement Notes

Verify the specific suffix 'STRPBF' corresponds to the tape-and-reel packaging configuration required for automated assembly processes. Confirm that the component status is acceptable for new designs, as some related variants may carry non-recommended status. Ensure compatibility with the target flyback topology and MOSFET selection before finalizing procurement orders.

Gate Driver Selection Notes

Select this component when designing flyback converters requiring integrated synchronous rectification control with direct sensing capabilities. It is suitable for applications demanding high efficiency across varying load conditions. Consider the SOIC-8 package constraints and thermal dissipation requirements relative to the expected operating temperature range and ambient conditions.

Gate Driver Part Context

This part belongs to Infineon’s IR116XXS family of synchronous rectification controllers. These devices are engineered to improve power supply efficiency by replacing traditional diodes with actively driven MOSFETs. The family supports various topologies including DCM and QR modes, targeting modern energy-efficient power adapter standards.

Gate Driver Replacement Considerations

The IR11662SPBF/STRPBF serves as a verified alternative within the same product family. Both parts share similar functional characteristics for synchronous rectification control. Verify pinout compatibility and specific electrical parameter tolerances before substituting.