The TEA1732LTS is an innovative switch mode power supply (SMPS) control IC from NXP Semiconductors, designed to drive excellence in energy efficiency for low-power applications. This GreenChip device is particularly well-suited for applications that require a small form factor and high efficiency, making it an ideal choice for adapters, chargers, and stand-by power supplies.

Key Features

• Low Standby Power: The TEA1732LTS offers an extremely low no-load power consumption, typically below 10 mW, which helps in achieving energy-saving targets and compliance with international power consumption standards.
• High Efficiency: With its integrated high-voltage startup, this IC provides a high level of efficiency across a wide load range, ensuring optimal performance for the end application.
• Frequency Reduction: At low-power operation, the device automatically switches to frequency reduction mode, which maintains high efficiency and minimizes audible noise.
• Integrated Protections: It comes with a suite of protection features, including OverVoltage Protection (OVP), OverCurrent Protection (OCP), and OverTemperature Protection (OTP), enhancing the reliability and safety of the end application.
• Valley Switching: The TEA1732LTS employs valley switching for reduced switching losses, contributing to its high efficiency and reduced EMI.

Applications

The versatility of the TEA1732LTS allows it to be used in a wide array of power supply applications. These include:

• Notebook adapters
• Appliance power supplies
• Standby and auxiliary power supplies
• Cell phone chargers

Technical Specifications

The TEA1732LTS operates in the universal mains range of 70 V to 276 V AC and is available in a small and convenient SOT-6 package. Its built-in high-voltage level shift and demagnetization detection ensure smooth and efficient operation across different load conditions.

Conclusion

With its focus on energy efficiency, small package size, and integrated protection features, the TEA1732LTS from NXP Semiconductors is a compelling solution for designers looking to create compact, reliable, and environmentally friendly power supplies.