UCC3918EVM

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UCC3918EVM is a versatile and easy-to-use evaluation and demonstration board from Texas Instruments. With on-board components and features, the UCC3918EVM enables power supply engineers to evaluate the performance of the UCC3918 integrated circuit, which is designed to provide drive, feedback, and protection for switch-mode power supplies.

The UCC3918EVM provides flexible design options due to its design modularity. It can be configured into a variety of single-ended, dual four-switch, and full-bridge multiphase converters, utilizing 3- and 4-phase paralleled, simultaneous and independent connections.

The board features an on-board ZVS soft start capacitors. This helps reduce current inrush at startup, minimize EMI emission, and provide fast transient response time. The board also features built in current limiting and temperature protection. The integrated current sensing capability on UCC3918EVM helps reduce system component count and bill of material (BOM) and lower the cost of power supply implementation.

UCC3918EVM can also be used to quickly evaluate the performance of UCC3918 integrated circuit and be configured for different output power levels, output topologies, component selection, and load current requirements. The board is designed to toleratite 35V input voltage and be able to power up 5V, 12V, or 24V output.

UCC3918EVM includes several components that are helpful when evaluating the power supply and fine-tuning the components to optimize the design. These components include a frequency control resistor, adjustment potentiometers, diodes, MOSFETs, and output capacitors. It also includes external timing components, such as inductors and capacitors, which can be used to modify the oscillator frequency. The board also includes an LCD display and complementary feedback components, such as driver, opto-couper, and LEDs, to provide feedback of the runtime conditions.

In conclusion, UCC3918EVM is an ideal choice for evaluation, demonstration, and design prototyping of power supply applications. The board provides flexibility of design options and comprehensive monitoring and control of features that are consistent with the integrated circuit. With its easy-to-use design, UCC3918EVM can be used to quickly create different applications.

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