TPS5210EVM-126

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TPS5210EVM-126 is an Evaluation Board which is classified into DC/DC & AC/DC (Off-Line) SMPS, and its application field and working principle will be further discussed in this article.

The TPS5210EVM-126 is designed to provide a platform for evaluation of the TPS5210 synchronous buck controller. It is especially useful for evaluating the synchronization feature, which is a unique feature available with the TPS5210. It also includes the high performance VDIPS LLC-based converter and low profile components to minimize overall platform cost and vertical board footprint.

In terms of application field, the TPS5210EVM has the capability to operate from wide input voltages of 12V or 19V to output voltages from 0.6V to 5.7V and currents of 0.5A, 1.5A and 3A. This makes the TPS5210EVM suitable for a wide range of applications. For example, it can be used as an energy harvester for battery management systems. It can be used to generate step-down voltage in industrial controls, Home Automation (e.g., lighting, motor drives, etc.), Automotive Infotainment Systems and Automotive PowerTrainer evaluation boards. Additionally, it can be used as a step-up converter for Medical application requirements, such as portable vital signs monitors, medical equipment and hand-held systems. The synchronizing capability also allows for operation in switch-mode telecom/datacom applications.

In order to achieve high-efficiency, the design of the SMPS and the organization of the applied parts and parameters are of great important. The TPS5210EVM comprises of optimal MCU, FETs, optocouplers, and 90-Vin, 3A buck, synchronous rectifier converter components. It also incorporates an extensive shutdown control and sense windings for monitoring the performance of the converter. Moreover, due to the features of the TPS5210EVM, it offers a versatile synchronizing feature. In addition to the advantages of the synchronous rectifier, the flexibility in the control pin setup of the controller allows for voltage inversion or generator applications.

The operating principle of the TPS5210EVME evaluation board is that it uses the TPS5210, a synchronous buck controller which provides a current-mode control structure with internal compensation and improved transient response. It also has an overcurrent protection circuit which actively senses the load current and limits the output current to a safe level. Additionally, the TPS5210 also provides an integrated startup and shutdown stage which enables the use of a wide voltage range of input sources, making it suitable for applications with a variety of voltage requirements.

In order to operate the converter, an external clock is required. This is provided by the TPS5210EVM-126 evaluation board, which is powered externally by 12 V or 19 V DC for normal operation. The voltage is regulated to 5 V DC with a switching regulator and is connected to the TPS5210V EVM\'s input controller through a DB-25 connector. The external clock is then connected to the TPS5210XV EVM\'s output pin via the DB-25 connector. The synchronous rectifier also includes a full-wave rectifier circuit and an output rectifier, which allow for higher efficiency.

The TPS5210EVM also provides two sets of power feedback resistors, one for VIN and one for the sync signal, which are also used by an opto-coupler to create a temperature feedback loop. This loop ensures that the evaluation board stays within a certain temperature range and provides selectable voltage notes for indication of temperature variation. This is used for optimizing the feedback compensation and for protecting the components from over/under temperature.

The TPS5210EVM-126 evaluation board is therefore a useful tool for evaluation of the TPS5210 synchronous buck controller, with features such as wide input voltages, a streamlined board footprint, and an efficient synchronous rectifier design. Whether used as an energy harvester for battery management systems or for applications related to medical equipment, the TPS5210EVM-126 has the capability to provide a platform for optimal design and evaluation of various applications associated with the TPS5210 buck controller.

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