TPS54239EEVM-056

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TPS54239EEVM-056 is a board that can be used to evaluate the Texas Instruments TPS54239 buck converter. This board is a type of evaluation board in the family of DC/DC & AC/DC (Off-Line) SMPS. It was designed to demonstrate the high-efficiency capabilities of the TPS54239. It is a simple and easy-to-use solution for assessing the features of the device, which allows users to quickly evaluate the TPS54239 operation.

TPS54239EEVM-056 application fields include telecommunications, instruments, consumer electronics, automotive power supplies, and notebooks. It is a cost-effective board that helps designers to reduce time to market and cost. It also has an ultra-small form factor, which makes it ideal for applications where size constraints are a factor.

The TPS54239EEVM-056 board is a step-down converter that is capable of delivering up to 2.7 A output current in a 2.0mm x 3.3mm package (3.3V/2.7A). It is an ideal solution for applications that require low-input voltage at the same time as high load current. It has an adjustable switch voltage range of 0.9V to 3.8V. Incorporating an enable control, this board enables an appropriate margin for the system.

The working principle of the TPS54239EEVM-056 relies on the efficient combination of control circuitry and converter topology. It also employs an external MOSFET, low-cost inductor, and low-cost ceramic capacitors for filtering. The optimised combination of the aforementioned components ensures high efficiency and excellent thermal performance. It is capable of delivering up to 92% efficiency with a wide input voltage range of 2.5V to 5.5V.

The TPS54239EEVM-056 offers a user-friendly graphical interface showing real-time information of input and output voltages, load current, and ripple current. It also offers precision current monitoring and temperature monitoring. It can operate up to the full range of the input voltage and deliver a controlled output voltage. The diode emulation mode helps to reduce audible noise levels when operating at light loads.

The TPS54239EEVM-056 features a maximum-power-point-tracking function. With a ±1.5mV feedback voltage accuracy, the device ensures that the load is given the maximum amount of power while adjusting its output voltage levels. Additionally, the board also offers hysteretic control with an adjustable slope, Zero-Drift output voltage and current regulation, OVP/UVP/OCP/UT protection, and a power-good signal. It also offers a pre-bias start-up capability for applications that require higher start-up voltage.

In conclusion, TPS54239EEVM-056 is an evaluation board classified as a DC/DC and AC/DC (Off-Line) SMPS. It is designed to evaluate the Texas Instruments TPS54239 buck converter and is suitable for many application fields including telecommunications, instruments, consumer electronics, automotive power supplies, and notebooks. It works with an efficient combination of control circuitry and converter topology and offers features including a maximum-power-point-tracking function, diode emulation mode, hysteretic control, and other protection functions. With its low cost and compact size, it is an ideal choice for designers who require a cost-effective and easy-to-use solution.

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