TPS78227EVM-445

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Evaluation boards are important tools used to design, and evaluate, power or linear voltage regulator products. The TPS78227EVM-445 is an integrated linear voltage regulator and system power solution evaluation board from Texas Instruments. This evaluation board features a highly configurable system with multiple operations, voltages, and devices to accommodate a variety of design requirements.

The TPS78227EVM-445 uses the TPS78227TBFR, a low quiescent current, high accuracy synchronous linear voltage regulator in a low profile Thin QFN package with extended operating temperature range. It is designed for applications with tight regulations, especially in space and military applications. It offers excellent transient response and excellent thermal and electrical performance.

The TPS78227EVM-445 provides up to 4.5A of load current and a wide input voltage range of 2.8V to 18V with proper derating curve. The output voltage can be configured from 0.6V to 5.5V. The board optimizes efficiency with current mode Control. Its output voltage is adjustable with external resistors, enabling engineers to fine-tune the supply voltage and match the design requirements. The evaluation board also includes an adjustable internal clock frequency of up to 600kHz that reduces the size of inductors and capacitors making it suitable for small form factor designs.

The evaluation board helps other designers to evaluate, characterize, and design various type, of system power applications. By placing the TPS78227EVM-445, the evaluation board is designed to be a platform for development, training, and teaching purposes. The board configuration can be adjusted to accommodate a wide range of applications, making it suitable for evaluation of a variety of system power solutions.

The TPS78227EVM-445 features a robust power delivery subsystem and a large suite of features that can be programmed via direct I2C interface. It provides power supply sequencing, tracking, ON/OFF control, and power accuracy monitoring which helps engineers to reduce their overall design time. Additionally, the board includes interface options (I2C/RS485/CAN/HDMI) and connectors (USB/2xJTAG/GPIO/SD) for further testing and development.

The inputs of the TPS78227EVM-445 offer SPIs for programming and I2C Slave and Master ports for communication with external control elements such as MCUs and other microcontrollers. The board also includes a voltage supervisor to monitor the input voltage and control the ON/OFF operation of the TPS78227TBFR. It also monitors temperature to stop any over-temperature damage.

The TPS78227EVM-445 evaluation board and its accompanying SYS-EVM software allows for quick and efficient setup and operation to allow for efficient design and product development. The tool offers advanced features and functions to allow for accurate evaluation and characterization of the IC. It can control the entire system with one single platform. This also allows for a better debugging process. The board can be reconfigured to different applications with different values for load current, input voltage, and output voltage.

Overall, the TPS78227EVM-445 evaluation board is a very useful tool to develop Texas Instruments linear voltage regulator and system power design requirements. It offers many features and advantages including, high efficiency, wide input voltage range, current mode control, and a robust integrated power delivery subsystem. The board also comes with user-friendly software to simplify setup and operation. The board has been designed with multiple operations and devices to accommodate various design requirements making it an excellent choice for evaluation boards in power or linear voltage regulators.

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