The Texas Instruments TPS40193DRCT is a mid-voltage, synchronous buck controller designed for modern, high-performance power supply applications. This advanced controller is engineered to manage DC-to-DC conversion with efficiency and precision, making it an ideal choice for a wide range of products including computing systems, networking equipment, and industrial hardware.

Key Features

• Input Voltage Range: The TPS40193DRCT operates over a 4.5V to 20V input voltage range, accommodating a variety of power sources and ensuring versatility in system design.
• Synchronous Buck Controller: As a synchronous rectifier, this device allows for higher efficiency compared to traditional diode-rectified solutions, particularly at low output voltages.
• Adjustable Frequency: Users can set the switching frequency anywhere from 100kHz to 600kHz, allowing designers to optimize the trade-off between efficiency and component size.
• Output Voltage: The output voltage is adjustable down to 0.7V with a precision reference voltage of 0.7V ±1% over temperature, which is critical for powering modern low-voltage digital circuits.
• Integrated Features: The device includes an integrated bootstrap diode and a pair of MOSFET gate drivers, reducing external component count and simplifying the design.

Protection and Reliability

The TPS40193DRCT incorporates several protective features to ensure the longevity and reliability of the end application. These include under-voltage lockout, over-current protection, and thermal shutdown. Additionally, the device features programmable soft start and pre-bias startup, which help manage inrush current and ensure a smooth power-up sequence.

Package and Mounting

Housed in a compact 10-pin VSON package, the TPS40193DRCT is designed for space-constrained applications. Its small footprint and exposed thermal pad for enhanced thermal performance make it suitable for high-density power designs. The device is also RoHS compliant and is designed for easy integration into automated surface-mount technology (SMT) manufacturing processes.

Applications

With its robust feature set and flexible design, the TPS40193DRCT is well-suited for a diverse array of applications, including:

• Point-of-Load (POL) solutions
• Telecommunications and networking equipment
• Server and storage systems
• Industrial power systems