TPS54239EVM-056

Series:	SWIFT™, D-CAP2™
Part Status:	Active
Main Purpose:	DC/DC, Step Down
Outputs and Type:	1, Non-Isolated
Voltage - Output:	1.05V
Current - Output:	2A
Voltage - Input:	4.5 V ~ 23 V
Regulator Topology:	Buck
Frequency - Switching:	600kHz
Board Type:	Fully Populated
Supplied Contents:	Board(s)
Utilized IC / Part:	TPS54239

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TPS54239EVM-056 Application Field and Working Principle

The TPS54239EVM-056 evaluation module (EVM) is an off-line switched-mode power supply (SMPS) designed for use in low power applications. It features a wide input voltage range of 2.5V to 50V and produces an adjustable, filtered output voltage that can range from 0.920V to 50V.The TPS54239EVM-056 is well-suited for power systems such as DC/DC converters, AC/DC power supplies, and signal conditioning circuits. It can be used for both new product development and design verification. It includes two synchronous rectifier channels to ensure efficient operation when supplying regulated or adjustable outputs. It also offers short-circuit and over-temperature protection.The TPS54239EVM-056 uses a synchronous rectifier design to switch between two power levels, thereby providing higher energy efficiency than a standard converter with two voltage levels. When the output voltage is near the desired voltage, the efficiency is maximized. In addition, the EVM switches from low-power to high-power output for short-duration refresh cycles. This feature helps reduce switching losses and improves overall system efficiency.The TPS54239EVM-056 also features integrated voltage regulation, over-temperature protection, and short-circuit protection. The module also includes an adjustable input range from 2.5V to 50V, enabling it to be operated with both DC and AC mains power sources.The power stage of the EVM consists of two synchronous rectifier channels. The two channels are driven by a pulse-width modulation (PWM) controller. The controller adjusts the duty cycle of the switches based on feedback from the output voltage. This allows the output voltage to be accurately regulated.The EVM\'s output voltage range is adjustable from 0.920V to 50V. The adjustable output voltage is ideal for applications such as signal conditioning circuits that require variable voltage levels. The output voltage is protected by both short-circuit and over-temperature protection.The TPS54239EVM-056 can operate in either constant voltage or constant current mode. In constant voltage mode, the output voltage is set to a constant value and the current is limited to a safe level. In constant current mode, the current is set to a constant value and the output voltage is adjusted accordingly. The module can also be used in a wide range of applications, including power conditioning and regulation.In summary, the TPS54239EVM-056 is an off-line SMPS designed for low power applications. It offers a wide input voltage range, a variable output voltage range, over-temperature protection, and short-circuit protection. It can be used for both new product development and design verification. The integrated synchronous rectifier design ensures energy efficient operation. The adjustable output voltage range is ideal for applications that require variable voltage levels.

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