TPS5615EVM-115

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The TPS5615EVM-115 is a powerful and versatile tool designed to evaluate the performance characteristics of the TPS5615 single–phase synchronous buck controller. The device offers significant improvements in efficiency and transient response times compared to other similar evaluation boards. It is ideal for evaluating the performance of a wide variety of AC/DC and DC/DC power converters. The evaluation board is used to help understand and optimize the design of a wide range of power supplies for a variety of applications.

The TPS5615EVM-115 evaluation board has two separate and independent power sockets compatible with a variety of different input AC/DC and DC/DC forces. The evaluation board has two output power sockets, each rated at 25W, with ≤ 1% output voltage accuracy and current delivery up to 8A. The adjustable output voltage range from 5V to 24V is available for both outputs so that it can be used as a multiple-output power supply.

The TPS5615EVM-115 evaluation board has an operating frequency range of 500 kHz to 2.2 MHz and a wide input voltage range from 90V to 265V ac. It also features the industry’s only adjustable peak current mode control technique, providing advanced transient protection with fast transient response, even at very low load currents. This makes it suitable for a variety of sensitive applications, such as medical and consumer products.

The TPS5615EVM-115 evaluation board incorporates several protection features, including overcurrent, overvoltage, and overtemperature protection. Furthermore, the device is capable of operating in both constant-voltage mode and constant-current mode, enabling the designer to select the desired mode of operation to best meet the need of the power supply based system.

When it comes to working principles, the TPS5615EVM-115 evaluation board follows a synchronous buck topology, which consists of two main components—a high-side MOSFET and a low-side MOSFET. The high-side MOSFET is responsible for controlling the voltage output by regulating the switch\'s on/off state. The low-side MOSFET is responsible for regulating the current output. Together, these two components regulate the power flow between the input and output of the power supply.

The evaluation board uses pulse width modulation (PWM) to control the voltage output. The PWM signal is generated by the control circuit and used to switch the MOSFETs, alternately grounding one and connecting the other to the input voltage. As the input voltage is switched on and off, a pulse waveform is created, with its duration determining the output voltage. The output voltage can be set to any voltage within the range of 5V to 24V.

In addition to the adjustable voltage range, the TPS5615EVM-115 evaluation board also includes a wide operating frequency range, which can be set from 500 kHz to 2.2 MHz. This allows for highly accurate control of the current delivered to the load. Furthermore, the device’s adjustable peak current mode control technique provides fast transient response times, even at very low load currents, thus making it suitable for a variety of sensitive applications.

The TPS5615EVM-115 evaluation board is suitable to evaluate the performance of a wide variety of AC/DC and DC/DC converters and is ideally suited for applications that require high-efficiency, fast transient response, and accurate control of the output power. The adjustable peak current mode control technique provides superior performance and protection against over-current and over-voltage conditions.

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