TEA1795T/N1,118

The TEA1795T/N1,118 is a highly integrated power management IC (Integrated Circuit) designed by NXP Semiconductors, primarily used for power supply applications in various electronic devices. This device is particularly well-suited for offline power supplies, including those found in consumer electronics, industrial equipment, and telecommunications.

Key Features:

1. High Efficiency: The TEA1795T is designed to operate with high efficiency, which helps in reducing energy consumption and heat generation. This is particularly important in applications where thermal management is critical.

2. Wide Input Voltage Range: The IC supports a wide input voltage range, typically from 85V to 265V AC, making it suitable for global applications without the need for extensive modifications.

3. Integrated Functions: The TEA1795T integrates several functions that simplify the design of power supplies. This includes a high-voltage start-up circuit, a PWM (Pulse Width Modulation) controller, and various protection features.

4. PWM Control: The device employs a frequency modulation technique to control the output voltage, which helps in maintaining stable operation under varying load conditions.

5. Protection Features: The TEA1795T includes multiple protection mechanisms such as over-voltage protection (OVP), over-current protection (OCP), and thermal shutdown. These features enhance the reliability and safety of the power supply.

6. Compact Package: The IC is available in a compact SO16 package, which allows for easy integration into space-constrained designs.

7. Low Standby Power Consumption: The TEA1795T is designed to minimize standby power consumption, making it compliant with energy efficiency standards such as Energy Star and ErP.

8. Application Versatility: It is suitable for a variety of applications, including LED drivers, adapters, and chargers, as well as for use in appliances and industrial power supplies.

Electrical Characteristics:

• Operating Temperature Range: The device typically operates within a temperature range of -40°C to +125°C, ensuring reliable performance in diverse environmental conditions.
• Switching Frequency: The TEA1795T operates at a fixed switching frequency, which can be optimized for specific applications to balance efficiency and performance.

Typical Applications:

• AC-DC Converters: Ideal for converting alternating current (AC) from the mains supply to direct current (DC) for use in electronic devices.
• Power Adapters: Commonly used in power adapters for laptops, smartphones, and other portable devices.
• LED Lighting: Suitable for driving LED lighting systems, providing efficient power conversion and control.

Conclusion:

The TEA1795T/N1,118 from NXP Semiconductors is a versatile and efficient power management solution that combines advanced features and protection mechanisms, making it an excellent choice for a wide range of power supply applications. Its compact design and high efficiency make it particularly appealing for modern electronic devices that require reliable and energy-efficient power management.