The BA1604 is a high-performance integrated circuit designed primarily for use in switching power supplies, including flyback converters. It combines a pulse-width modulation (PWM) controller and a high-voltage power MOSFET into a single package, providing an efficient and reliable solution for power conversion applications. 

BA1604 Datasheet PDF 

Key Features:

• Integrated Power MOSFET: The BA1604 features an integrated MOSFET rated for 600V, which eliminates the need for external transistors, simplifying the design and reducing component count.
• PWM Control: The IC uses pulse-width modulation (PWM) for stable and efficient power conversion, ensuring accurate regulation of the output voltage and current.
• Wide Input Voltage Range: The BA1604 operates over an input voltage range of 85V to 265V AC, making it suitable for use in global markets with varying voltage levels.
• Eco-Friendly Operation: It incorporates EcoSmart® technology to minimize power loss, providing high efficiency and low standby power consumption, which meets modern energy-saving standards.
• Built-in Protection: Includes protection features such as overvoltage protection (OVP), overcurrent protection (OCP), thermal shutdown, and under-voltage lockout (UVLO), ensuring reliable operation under fault conditions.
• Low Standby Power: The BA1604 is designed to consume minimal power during standby operation, making it ideal for energy-efficient designs. 

Applications:

• AC-DC Power Supplies: Ideal for low to medium power AC-DC converters, including adapters, chargers, and LED drivers, where compact size and high efficiency are required.
• Consumer Electronics: Commonly used in set-top boxes, home appliances, televisions, and audio systems for efficient power conversion.
• Industrial Applications: Suitable for power supplies in industrial control systems, automation equipment, and communication devices, where reliability and efficiency are essential.
• Lighting: Applied in LED driver circuits, providing stable and efficient power for lighting systems.

The BA1604 is a highly integrated, reliable, and efficient solution for power conversion, ideal for a wide range of consumer, industrial, and energy-efficient applications. Its integration of the power MOSFET and PWM controller helps simplify designs while maintaining high performance and safety.   

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