TPS65261EVM-650

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The TPS65261EVM-650 is an evaluation board used for testing DC/DC & AC/DC (Off-Line) SMPS applications. It comes equipped with a TPS65261EVM set-up to a variety of external components, making it ideal for a wide range of applications such as automotive, industrial, medical, communications, and consumer electronics.

The TPS65261EVM-650 integrates a 5V/650mA synchronous buck regulator with adjustable output from 0.8V to 5.25V. It features low component count, low external component count, small solution size, fast transient response, fast line/load regulation, adjustable overload protection, current limited protection, output overvoltage protection and output current balancing. Programmable soft-start, hiccup overcurrent limiting protection, and internal clock synchronization functions are also included in the design.

The main components of the board are an N-Channel MOSFET switch, an input R/C snubber network, and an R/C output filter. The N-Channel MOSFET switch is used to control input voltage and to switch on and off the output. The input R/C snubber network is used to suppress switch EMI and reduce switching loss. The R/C output filter is used to reduce output voltage ripples. The board also contains a high-performance driver circuit which drives the gate of the N-channel MOSFET switch.

The board also contains a number of support components, such as a voltage regulator, a logic circuit, and an LED indicator. The voltage regulator is used to provide a stable operating voltage to the chip. The logic circuit is used to control the power switch and the output of the buck regulator. The LED indicator is used to indicate whether the buck regulator is in normal or standby mode.

The board also contains an input voltage sensing circuit which detects the input voltage. The input voltage sensing circuit is used to adjust the duty cycle of the synchronous buck regulator and hence providing better output voltage accuracy. The board also contains an overvoltage protection (OVP) circuit which prevents output voltage to go over a certain limit.

The TPS65261EVM-650 has a maximum operating power of 8W. It is CE and FCC certified and contains advanced EMI shielding. It supports a number of external connectors, such as USB, RJ-11, and RJ-12. The board also has an onboard RS-232 interface for programming or debugging over USB.

The TPS65261EVM-650 is a compact and powerful demonstration and evaluation board. It supports a wide range of applications and is easy to use with its intuitive user interface. It is an ideal device for engineers and students working on DC/DC and AC/DC (Off-Line) SMPS applications.

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