TPS54202HEVM-716

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The TPS54202HEVM-716 evaluation board is designed to evaluate the performance of the TPS54202 3A, Forward Mode, Off-Line PWM Controller with Enhanced Current-Mode Control. This board consists of two evaluation modules (EVM\'s) with provision for evaluating various combinations of power supplies.

The TPS54202HEVM-716 utilizes a single TPS54202 control IC, accompanied by seven passive components for voltage, current, and thermal protection in an isolated Switch Mode Power Supply (SMPS) configuration. This configuration provides the user with the flexibility to choose several different output configurations. Depending on the application field, board users may choose between the flyback or buck topologies for their power supply solution.

For applications such as single- and multiple-output DC-DC converters, the Stacked 2-Phase buck configuration is the preferred choice due to the high efficiency it offers. On the other hand, the Flyback converter is more suitable for applications such as AC-DC converters with low power requirements. As such, the TPS54202HEVM-716 can be used in a wide variety of different applications, depending on the user’s needs and requirements.

The board comes equipped with an optional connector for the DC power input, which provides a power supply from 2V to 24V, to support the operation of the board in the selected configuration. The TPS54202HEVM-716 also includes a second purpose-specific connector for the output section, where the user can select the output configuration required for the application.

In addition to the connectors, the TPS54202HEVM-716 features two LEDs (red & green) which indicate the On/Off status of the board. The green LED is lit when the board is powered and running in the selected configuration, while the red LED lights up when in a fault condition. The board also features two toggle switches which can be used to switch between Normal/DCM and Fault/Start/Stop mode.

The TPS54202HEVM-716 utilizes a single PWM controller, the TPS54202, which drives the output MOSFETs in a synchronous rectified buck topology. This controller uses a normalized current-mode control (NCMC) architecture, which allows for fast transient response and superior output regulation. The voltage regulation on the board is adjustable using an external resistive voltage divider network, or by using the temperature coefficient of an external NTC thermistor. Furthermore, the controller uses a patented over-current protection circuit which allows for fast response time and accurate current limiting.

The TPS54202HEVM-716 can be used in various applications. The current-mode architecture and wide input voltage range makes it ideal for AC-DC and DC-DC supplies; it can also be used for non-isolated step-down and step-up converters, as well as LED lighting and motor drives. Additionally, the board features an options for High Frequency Current Mode Control (HFCM), which enables it to operate at high switching frequencies, making it suitable for portable and battery-based applications.

In summary, the TPS54202HEVM-716 is the perfect solution for evaluating the performance of the TPS54202 3A, Forward Mode Off-Line PWM Controller with Enhanced Current-Mode Control. The board is suitable for use in many applications, and provides adjustable voltage and current regulation, fast transient response, and superior current protection for a wide range of applications.

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