onsemi

TL494BD

TL494BD Description

The TL494BD is a transistor driver IC designed for power management applications, part of the SWITCHMODE™ series by onsemi. This IC is designed to operate within a supply voltage range of 7V to 40V, making it suitable for a variety of power supply designs. It features a switching frequency of 200kHz, which allows for efficient power conversion in compact designs. The TL494BD is housed in a surface-mount 16SOIC package, making it ideal for applications where is space a critical consideration.

TL494BD Features

• Output Type: Transistor Driver, designed to drive power transistors efficiently.
• Output Configuration: Positive, ensuring compatibility with a wide range of power supply topologies.
  -Frequency ** - Switching**: 200kHz, enabling high-frequency operation for compact and efficient designs.
• Control Features: Includes Dead Time Control and Frequency Control, which enhance performance and reliability.
• Duty Cycle (Max): 48%, providing flexibility in power supply design.
• Output Phases: 1, simplifying the design process.
• Synchronous Rectifier: Yes, improving efficiency and reducing power loss.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), ensuring robustness in various environmental conditions.
• REACH Status: REACH Unaffected, complying with environmental regulations.
• ECCN: EAR99, indicating compliance with export regulations.
• HTSUS: 8542.31.0001, facilitating accurate customs classification.
• Package: Tube, suitable for automated assembly processes.
• Base Product Number: TL494, ensuring easy identification and sourcing.

TL494BD Applications

The TL494BD is ideal for a range of power management applications, particularly in the following areas:

• Switching Power Supplies: The high switching frequency and efficient design make it suitable for compact and high-efficiency power supplies.
• DC-to-DC Converters: The ability to drive power transistors efficiently makes it an excellent choice for DC-to-DC conversion applications.
• Battery Chargers: The robustness and control features ensure reliable performance in battery charging circuits.
• Motor Drivers: The transistor driver capabilities make it suitable for driving motors in various applications.
• Industrial Power Supplies: The wide supply voltage range and control features make it ideal for industrial power supply designs.

Conclusion of TL494BD

The TL494BD is a versatile and efficient transistor driver IC that offers a range of features and benefits for power management applications. Its high switching frequency, control features, and robust design make it an excellent choice for compact and high-efficiency power supplies, DC-to-DC converters, battery chargers, motor drivers, and industrial power supplies. Despite being marked as obsolete, the TL494BD remains a reliable and effective solution for many power management needs.