The TPS40200DR is a versatile and robust non-synchronous buck controller from Texas Instruments, designed to handle a wide range of power supply applications. This device is particularly well-suited for systems that require a low-cost, low-power, and flexible solution for converting a higher voltage to a lower voltage with high efficiency.

Key Features

• Wide Input Voltage Range: The TPS40200DR operates over a broad input voltage range from 4.5V to 52V, making it suitable for a variety of industrial and commercial applications.
• Adjustable Output Voltage: The output voltage can be set from 1.23V to 80% of the input voltage, providing flexibility to power a wide array of devices.
• High Efficiency: Its non-synchronous design allows the use of low RDS(on) external switches to minimize losses and achieve high efficiency.
• Frequency Synchronization: The device offers frequency synchronization to an external clock, which can reduce electromagnetic interference (EMI) and allow for the use of smaller external components.
• Programmable Soft-Start: The TPS40200DR includes a programmable soft-start feature to limit inrush current during startup.
• Overcurrent Protection: It provides cycle-by-cycle overcurrent protection, enhancing the safety and reliability of the power supply.
• Thermal Shutdown: The device incorporates thermal shutdown to protect against excessive temperature rise.

Applications

The TPS40200DR is ideal for a range of applications, including distributed power systems, industrial power supplies, telecommunications equipment, and automotive systems. Its robust design and comprehensive feature set make it a go-to choice for engineers seeking a reliable power management solution.

Package and Availability

Offered in an 8-pin SOIC package, the TPS40200DR is available for order from Texas Instruments and authorized distributors. Its compact form factor and pin-compatible options provide ease of design for various circuit configurations.