TPS62730EVM-726

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The TPS62730EVM-726 evaluation module is an ideal tool for evaluating the performance of the Texas Instruments TPS62730 DC-DC synchronous buck converter. It is classified under the Evaluation Boards - DC/DC & AC/DC (Off-Line) SMPS. This evaluation module is designed to provide a controlled and regulated output voltage, suitable for portable device and mobile application power supply requirements. The module can be powered up to 6V-24V DC, allowing for diverse power supply requirements.

The device offers efficiency of up to 96% at a range of 3.3V to 24V and is capable of sourcing up to 6A. Whilst the size is kept down to 4mm x 4mm, the device also includes a variety of features and protection modes, such as external input UVLO, current limit, over temperature protection and adjustable soft start. These features combine together to produce a reliable and versatile device for a variety of applications.

The working principle of the TPS62730EVM-726 evaluation module is rooted in the synchronous buck converter design. The synchronous buck converter is known for its high conversion efficiency, fast response time and its capability to provide variable output voltage. It takes an input voltage on one side and converts it into an output voltage on the other side, usually in a lower voltage value.

The TPS62730EVM-726 buck converter utilizes a two-stage topology. The first stage is composed of two MOSFETs in a buck configuration where the input voltage is pulsed across the MOSFETs at a predetermined frequency, determined by an external clock. This pulsed voltage is reduced by a factor of two and desired output voltage is determined. The voltage is then filtered and regulated by a control circuit to produce the output voltage.

The second stage uses two additional MOSFETs as a synchronous rectifier to maintain the efficiency of the device. The synchronous rectifier increases efficiency as it reduces the amount of power that gets dissipated through the MOSFETs. As the MOSFETs are turned on, the output voltage is increased and the synchronous rectifier is turned off. This pulse-width modulation strategy is predetermined by the external clock.

The TPS62730EVM-726 evaluation module is an ideal solution for applications such as wireless and battery powered applications, imaging systems, wearables, and battery charging. It offers an adjustable output voltage range and can provide up to 6A of current, making it an excellent choice for high power density applications. The device is highly efficient, operates at a wide input voltage range and has a variety of features including external input UVLO, current limit, over temperature protection and adjustable soft start, which make it an excellent choice for a wide variety of applications.

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