STMicroelectronics

TDA7473A

TDA7473A Description

The TDA7473A is an integrated circuit designed for power management applications, specifically tailored for driving half-bridge configurations. Manufactured by STMicroelectronics, this IC is part of the Power Management (PMIC) category and is housed in a 28SO package. The TDA7473A is designed to operate within a supply voltage range of 6V to 15V, making it suitable for a variety of applications that require efficient power delivery and control. Despite being marked as obsolete, the TDA7473A remains a reliable choice for specific applications due to its robust design and performance capabilities.

TDA7473A Features

• Output Configuration: The TDA7473A features a half-bridge output configuration, which is ideal for driving inductive loads such as DC motors and voltage regulators. This configuration allows for efficient power delivery and control, making it suitable for applications requiring precise load management.
• Peak Output Current: With a peak output current capability of 600mA, the TDA7473A can handle moderate power requirements efficiently. This ensures reliable performance in applications where high current loads are not a primary concern.
• Supply Voltage Range: The IC operates within a supply voltage range of 6V to 15V, providing flexibility in power supply options and ensuring compatibility with a wide range of power sources.
• Fault Protection: The TDA7473A includes short-circuit protection, which enhances the reliability and durability of the IC by safeguarding it against potential damage from overcurrent conditions.
• Mounting Type: The surface-mount design of the TDA7473A allows for easy integration into compact and space-constrained electronic systems, facilitating efficient use of board space.
• Compliance and Sensitivity: The TDA7473A is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety standards. Additionally, it has a moisture sensitivity level (MSL) of 3, which means it can withstand up to 168 hours of exposure to moisture, making it suitable for various manufacturing processes.
• Interface: The logic interface of the TDA7473A allows for seamless integration with other digital components, enabling straightforward control and monitoring of the power management functions.

TDA7473A Applications

The TDA7473A is particularly well-suited for applications involving DC motors and voltage regulators. Its ability to drive inductive loads makes it an ideal choice for motor control systems where precise speed and direction control are required. Additionally, its use in voltage regulators ensures stable and efficient power delivery to sensitive electronic components. The TDA7473A's half-bridge configuration and fault protection features make it a reliable and efficient solution for power management tasks in various electronic systems.

Conclusion of TDA7473A

The TDA7473A, despite being marked as obsolete, remains a viable option for specific power management applications due to its robust design and performance capabilities. Its half-bridge output configuration, peak output current of 600mA, and supply voltage range of 6V to 15V make it suitable for driving inductive loads such as DC motors and voltage regulators. The inclusion of short-circuit protection and its surface-mount design further enhance its reliability and integration ease. The TDA7473A's compliance with environmental and safety standards, along with its moisture sensitivity level, ensures it meets industry requirements for manufacturing and operation. For applications requiring efficient power delivery and control, the TDA7473A continues to be a reliable and efficient solution.