Renesas Electronics Corporation

UPC494C-A  

DC DC Switching Controllers

UPC494C-A Description

The UPC494C-A is a specialized transistor driver designed for power management applications, manufactured by Renesas Electronics Corporation. This obsolete model is part of the Power Management Integrated Circuit (PMIC) category and is known for its robust performance and specific feature set. The UPC494C-A operates as a buck converter with a positive output configuration, providing a single output phase suitable for various power conversion tasks.

UPC494C-A Features

The UPC494C-A boasts several notable technical specifications and performance benefits:

• Output Type: Transistor Driver
• Output Configuration: Positive
• Frequency Range: 1kHz to 300kHz, offering flexibility in switching applications
• Supply Voltage: 7V to 40V, ensuring compatibility with a wide range of power sources
• Control Features: Dead Time Control and Frequency Control, which enhance efficiency and reduce electromagnetic interference
• Duty Cycle (Max): 49%, providing precise control over power delivery
• Clock Synchronization: Yes, ensuring accurate timing and coordination in multi-phase systems
• Package: Bulk, suitable for through-hole mounting, which is advantageous for robust mechanical stability and ease of integration in various PCB designs
• Topology: Buck, ideal for applications requiring step-down voltage conversion

Unique to the UPC494C-A is its combination of control features and synchronization capabilities, which provide enhanced stability and efficiency in power conversion tasks. The absence of a synchronous rectifier simplifies the design while maintaining performance.

UPC494C-A Applications

The UPC494C-A is ideal for applications that require efficient power conversion and precise control. Its features make it suitable for:

• Power Supplies: In industrial and consumer electronics, where reliable and efficient power delivery is crucial
• Motor Control: For driving transistors in motor control circuits, ensuring precise timing and synchronization
• Battery Management Systems: Where the ability to control duty cycle and frequency is essential for managing battery charging and discharging processes
• Telecommunications Equipment: For power management in base stations and other telecom infrastructure

Conclusion of UPC494C-A

Despite being an obsolete model, the UPC494C-A remains a reliable choice for power management applications due to its robust technical specifications and performance benefits. Its ability to operate across a wide voltage range, combined with precise control features and synchronization capabilities, makes it a versatile component in various electronic systems. While newer models may offer additional features, the UPC494C-A continues to be a valuable option for engineers and designers seeking a proven and reliable power management solution.

UPC494C-A Documents

Download datasheets and manufacturer documentation for UPC494C-A