TEA1523P/N2,112

AC DC Converters, Offline Switchers Overview

The TEA1523P/N2,112 is an offline switch controller IC from the STARplug family, designed for flyback topology applications. It integrates a high-voltage power switch with a resistance of 6.5 Ω and a breakdown voltage of 650 V. The device operates directly from rectified universal AC mains supplies ranging from 80 V to 276 V. It features an adjustable frequency range of 10 kHz to 200 kHz and supports both primary-side and secondary-side feedback configurations. Packaged in an 8-DIP (0.300", 7.62mm) format, it includes built-in protections such as overcurrent, undervoltage, temperature, and short-circuit winding protection.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a high-voltage power switch with EZ-HV SOI process technology
• Enables direct operation from rectified universal AC mains without external startup components
• Supports valley switching for minimized switch-on losses and reduced electromagnetic interference
• Provides comprehensive protection mechanisms including overcurrent, thermal, and short-circuit safeguards

AC DC Converters, Offline Switchers Applications

• Chargers and adapters
• Set-Top Box (STB) standby supplies
• TV/monitor standby power circuits
• PC peripherals and microcontroller supplies in home applications

AC DC Converters, Offline Switchers Procurement Notes

Verify component authenticity through authorized NXP distributors or certified partners. Confirm package integrity and pin alignment against the 8-DIP specification. Review the latest datasheet revision for any updates to electrical characteristics or recommended operating conditions prior to integration into final designs.

AC DC Converters, Offline Switchers Selection Notes

Select this component for general-purpose switched-mode power supply designs up to 30 W. Consider its integrated high-voltage switch for simplified bill of materials and reduced component count. Evaluate the adjustable frequency feature for optimizing transformer size and efficiency across varying load conditions.

AC DC Converters, Offline Switchers Part Context

The TEA1523P belongs to the STARplug family of SMPS controllers developed by NXP Semiconductors. These devices utilize a combination of high-voltage EZ-HV SOI and low-voltage BiCMOS processes. The family targets cost-effective, high-performance power solutions for consumer electronics and small portable equipment requiring reliable offline conversion.

AC DC Converters, Offline Switchers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.