The TDA16850-2 is a monolithic integrated circuit designed for switch-mode power supplies (SMPS). It incorporates all the necessary functions for a high-performance flyback converter, ensuring efficient and reliable power conversion. This controller is widely used in various applications, leveraging its robustness and integrated protection features.

Applications:

• Auxiliary power supplies for consumer electronics: Used in TVs, DVD players, and set-top boxes to provide standby power.
• Industrial power supplies: Employed in industrial automation equipment, providing stable power for control circuits.
• Adapter and charger applications: Integrated into wall adapters for mobile phones, tablets, and other portable devices.
• Standby power supplies: Used in various electronic devices to minimize power consumption in standby mode.

Features:

• Integrated PWM controller: Provides precise pulse-width modulation for efficient power conversion.
• Current-mode control: Offers excellent line regulation and load regulation.
• Built-in soft-start: Reduces stress on power components during startup.
• Overvoltage protection (OVP): Protects the power supply and connected devices from excessive voltage.
• Undervoltage lockout (UVLO): Prevents operation when the input voltage is too low.
• Overcurrent protection (OCP): Limits the current to protect the power supply from damage.
• Thermal shutdown: Shuts down the IC to prevent overheating.

Benefits:

• High efficiency: Minimizes power losses and reduces heat dissipation.
• Reliable operation: Integrated protection features ensure stable and safe operation.
• Reduced component count: Simplifies the design and lowers the cost of the power supply.
• Compact design: Enables smaller and lighter power supply solutions.
• Improved system reliability: Protection features enhance the overall robustness of the system.

Additional Details:

The TDA16850-2 operates over a wide input voltage range, making it suitable for various global power standards. It features a low startup current, contributing to energy efficiency. The device is typically available in a DIP or SO package. It is designed to meet stringent safety and electromagnetic compatibility (EMC) standards. The switching frequency is optimized to minimize electromagnetic interference (EMI).