TEA1762T/N2,118

Power Supply Controllers, Monitors Overview

The TEA1762T/N2,118 is a synchronous rectification controller with integrated feedback and protection manufactured by NXP Semiconductors. It belongs to the GreenChip series and utilizes Silicon-On-Insulator (SOI) technology. Designed for discontinuous conduction mode (DCM) and quasi-resonant (QR) flyback converters, it combines secondary-side synchronous rectification with primary-side feedback control. The device operates within a supply voltage range of 8.6 V to 38 V and features a wide optocoupler output voltage range from 3.5 V to 38 V. It includes a built-in 2.5 V precision voltage reference with less than 1% accuracy.

Power Supply Controllers, Monitors Feature Summary

• Integrates synchronous rectification and primary feedback control functions into a single IC
• Utilizes SOI process technology for robust performance in switch-mode power supplies
• Features a wide operating supply voltage range supporting diverse power architectures
• Includes a high-precision internal voltage reference for accurate regulation

Power Supply Controllers, Monitors Applications

• Synchronous rectification control in DCM flyback converters
• Synchronous rectification control in QR flyback converters
• Secondary-side management in AC-DC power adapters

Power Supply Controllers, Monitors Procurement Notes

Verify the complete part number including the suffix /N2/DG,118 against official NXP documentation to ensure correct package type and tape-and-reel specifications. Confirm RoHS compliance status and lead times directly with authorized distributors or the manufacturer. Ensure the ordering code matches the specific variant required for your PCB layout and assembly process.

Power Supply Controllers, Monitors Selection Notes

Select this component when designing flyback power supplies requiring integrated secondary-side control to minimize external component count. It is suitable for applications needing precise voltage referencing and wide input voltage tolerance. Consider its compatibility with existing optocoupler interfaces and MOSFET gate drive requirements during the schematic design phase.

Power Supply Controllers, Monitors Part Context

This device is part of NXP's GreenChip family of power management ICs, which focus on high efficiency and low standby power consumption. The TEA1762T complements primary-side controllers by handling secondary-side rectification and feedback, enabling compact and cost-effective power supply designs for consumer and industrial electronics.

Power Supply Controllers, Monitors Replacement Considerations

Check for direct pin-to-pin replacements within the TEA176x series or updated GreenChip SR controllers. Verify functional equivalence regarding feedback integration and voltage reference accuracy before substituting.