TEA1520P/N2,112

AC DC Converters, Offline Switchers Overview

The TEA1520P/N2,112 is a Switched Mode Power Supply (SMPS) controller IC from the STARplug family, designed for general-purpose supplies up to 30 W. It operates directly from rectified universal mains (80 V to 276 V). The device integrates a high-voltage power switch with 48 Ω on-resistance and 650 V breakdown voltage. Key technical features include an RC oscillator for load-insensitive regulation, valley switching for minimum switch-on loss, and frequency reduction at low power output to achieve standby power below 100 mW. It offers adjustable overcurrent protection, undervoltage protection, temperature protection, and short-circuit winding protection.

AC DC Converters, Offline Switchers Feature Summary

• Integrated high-voltage power switch with 48 Ω resistance and 650 V rating
• Valley switching capability for minimized switch-on losses
• Frequency reduction mechanism enabling ultra-low standby power consumption
• Comprehensive protection suite including overcurrent, undervoltage, thermal, and short-circuit safeguards

AC DC Converters, Offline Switchers Applications

• Chargers
• Adapters
• Set-Top Box (STB)
• DVD and CD(R) players
• TV/monitor standby supplies

AC DC Converters, Offline Switchers Procurement Notes

Verify component authenticity through authorized NXP channels or certified distributors. Confirm RoHS compliance status and material declaration details prior to integration. Ensure design compatibility with the specified HTSSOP or DIP package variants if applicable. Review latest datasheet revisions for any updates to electrical characteristics or pin configurations. Validate supply chain integrity to mitigate risks associated with obsolete or counterfeit components.

AC DC Converters, Offline Switchers Selection Notes

Select this component for cost-effective, compact power solutions requiring direct mains operation without external gate drivers. Ideal for applications prioritizing low standby power and simple primary-side regulation architectures. Consider the integrated 48 Ω switch for power levels up to 30 W. Evaluate thermal management requirements given the SOI/BiCMOS process technology. Compare against TEA1521x or TEA1522x families if lower on-resistance is required for higher current applications.

AC DC Converters, Offline Switchers Part Context

The TEA1520P belongs to the NXP STARplug family of SMPS controllers, which are optimized for low-power systems operating directly from AC mains. This family utilizes a high-voltage EZ-HV SOI process combined with low-voltage BiCMOS technology. The TEA1520P specifically targets the entry-level segment within the family, offering a balanced trade-off between performance and complexity for consumer electronics and peripheral power supplies.

AC DC Converters, Offline Switchers Replacement Considerations

Direct substitutes within the same family include TEA1521P, TEA1522P, and TEA1523P, which feature progressively lower on-resistance switches (24 Ω, 12 Ω, and 6.5 Ω respectively) for higher power applications. Verify pinout compatibility and thermal performance when transitioning between these variants.