TPS61097-33EVM-498

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The TPS61097-33EVM-498 is Texas Instruments’ evaluation board that provides designers with an efficient solution for many power supply applications. This board is classified as an Evaluation Boards – DC/DC & AC/DC (Off-Line) SMPS. It features a wide input voltage range, a buck-boost converter, and a wide output voltage range.

With proper external components and circuit configurations, the TPS61097-33EVM-498 is able to simultaneously operate in buck, boost, and buck-boost mode. It also features low quiescent current and a low shutdown current. It is ideal for point-of-load applications such as display backlighting and RF applications.

The TPS61097-33EVM-498 evaluation board features a switching frequency of 33.3 MHz and an efficiency of up to 95%. It is able to operate in a wide temperature range, making it suitable for use in extreme conditions. It is packaged as a 9.6 mm x 12.3 mm x 3.85 mm QBGA-16 package with a minimum of exposed pads.

The operating principle of the TPS61097-33EVM-498 is simple. The input voltage (Vin) is first stepped down to the regulated output voltage (Vout). The power stage is formed by two N-channel MOSFETs which are connected to the output voltage terminal. The entire switching process from input to output is controlled by the integrated control IC, which receives its input signal from the error amplifier and the ramp signal. The error amplifier senses the output voltage and compares it to the voltage reference. The ramp signal modulates the duty cycle of the MOSFETs such that the output voltage can be regulated. This regulated voltage is then used to power the target load.

The Texas Instruments TPS61097-33EVM-498 provides efficient and reliable power for applications that require a buck-boost converter with a wide input voltage range and a wide output voltage range. Its switching frequency allowing for high-efficiency and low quiescent/shutdown current makes it an ideal solution for point-of-load applications. The board is specified to operate in a wide temperature range and features a compact 16-pin QBGA-16 package with minimal exposed pads. This makes it easy to design with and create a robust power supply system.

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