TPS565201EVM-858

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The TPS565201EVM-858 evaluation board is a great tool for testing and evaluating the performance and features of Texas Instruments’ TPS565201 synchronous buck converter, particularly ideal for applications necessitating high reliability and efficiency. This versatile DC-DC converter offers a range of features and advantages due to its flexibility in configuration and control. To promote safe and accurate evaluation, the TPS565201EVM-858 board provides engineers with the resources to carefully study the TPS565201 parameters and characteristics in a variety of reference conditions.

The TPS565201EVM-858 board function as a simple DC-DC buck converter with an input voltage of up to 30 VDC range. It has a maximum output current of 4 A and a total output voltage range of 0.8 to 5.5 volts. The output voltage accuracy is typically ±2.5%, and the temperature coefficient of the voltage is about ±0.5%. The TPS565201EVM-858 board is also equipped with monitor pins to enable optimized loop compensation and transient response with the TPS565201 when used in an active loop mode. It also provides a 12-bit adjustable output voltage which can be programmed over the range of 0.8 to 5.5 volts.

In terms of its performance and the operating environment, the TPS565201EVM-858 board is able to handle up to 2000 VDC of input isolation and is compliant with IEC 61000-4-2 ESD standard at ±15 kV contact discharge and ±8kV air discharge. The operating temperature range is from -40°C to 125°C.

On the other hand, the TPS565201EVM-858 board also works as a synchronous buck converter for AC/DC applications. The board is equipped with isolated gate drivers to support both control techniques; the continuous time hysteretic PWM (CHPWM) and 3- phase control. It is also a great choice for inverter applications as it eliminates the need for an opto-isolator and provides an accurate output voltage control. The board has a maximum input voltage of 425 VAC (50/60 Hz) with a peak surge voltage up to 700 VAC.

The TPS565201EVM-858 board is ideal for applications requiring a wide input voltage range, high efficiency, excellent transient response, and long lifetime performance. It also supports a wide range of applications including industrial supplies, motor control, telecommunications, computers, medical instruments, and embedded systems.

The TPS565201EVM-858 board uses a buck topology, consisting of two power transistors connected in parallel with their gates switched asymmetrically, to reduce switching losses and improve efficiency. The switching operation is controlled by the error amplifier and an internal logic-controlled oscillator. The error amplifier monitors the output voltage and adjusts the duty cycle of the power transistors accordingly. The oscillator consists of a saw-tooth wave generator and a ramp generator, which synchronizes and triggers the power transistors.

To ensure maximum voltage control and stability, the TPS565201EVM-858 board equips several features such as under-voltage lockout, current limit, thermal limit, over-voltage protection, active loop control, and soft-start. The configurable features of the board are adjustable and can be set through channel pins by a suitable logic interface.

In conclusion, the TPS565201EVM-858 board is a highly flexible, easy-to-use, and reliable evaluation board. It enables rapid evaluation of the TPS565201 synchronous buck converter and provides the necessary resources and features to thoroughly evaluate the parameters and characteristics of the device in a variety of reference conditions.

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