TPS62825EVM-794

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The TPS62825EVM-794 Comparable Evaluation Module (EVM) is a DC/DC and AC/DC (Off-Line) SMPS with a variable output voltage. The TPS62825EVM-794 is a versatile, high efficiency converter that supports a wide input voltage range; from as low as 7.2V to as high as 42V. It also has the ability to provide an adjustable output voltage range from 1.8V to 18V.

The EVM supports a range of switching modes which include Burst Mode (BM), Pulse Frequency Modulation (PFM), and Continuous Conduction Mode (CCM) for better efficiency at light to full loads. It has a wide selection of built-in safety features such as: UVLO, OCP, SCP, OVP and thermal shutdown to protect the module and the load. The EVM also supports a power-good indicator and sleep mode pins.

The TPS62825EVM-794 is a great choice for a variety of applications including portable electronics, automotive, network systems, communications and consumer electronics. With its adjustable output voltage, it enables the user to customize the output voltage to the required level. The efficiency reaches up to 91% due to the innovative switching modes used in the topology. It is also capable of delivering up to 2A output current with a high power density.

The TPS62825EVM-794 implements a Buck-Boost topology using an internal switched-mode power supply (SMPS). The internal components of the TPS62825EVM-794 consist of a transformer, inductors, an internal linear controller, an N-channel MOSFET, output capacitor, gate driver, and control logic. The design of the TPS62825EVM-794 is optimized for high efficiency and power density, and is capable of delivering up to 2A output current.

The switching operation of the EVM is determined by several parameters such as load current, input voltage, and output voltage. The input voltage regulator is used to maintain a constant output voltage, regardless of the input voltage variations. The feedback circuit compares the feedback voltage with the reference voltage and adjusts the switching frequency accordingly. When the PWM signal is in its high state, the power switch is enabled and the primary current of the power transformer is increased or decreased accordingly. This current is then delivered to the inductor and converted into the output voltage.

In order to ensure safe operation at all times, the TPS62825EVM-794 is equipped with several safety features. The input under-voltage lockout (UVLO) circuit protects against input voltage drops below its specified minimum level. It also features output short-circuit protection (SCP), over-current protection (OCP), and over-voltage protection (OVP). Furthermore, the TPS62825EVM-794 features thermal shutdown which protects the system from excessive temperatures.

The TPS62825EVM-794 is an excellent choice for a number of applications due to its adjustable output voltage, high efficiency and power density. It has built-in safety features to protect both the module and the load, and supports a range of switching modes for maximum efficiency and power delivery. It is ideal for portable electronics, automotive, network systems, communications, and consumer electronics.

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