TPS54541EVM-555

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The TPS54541EVM-555 is an evaluation module (EVM) for DC and AC power supplies featuring a high-efficiency synchronous buck regulator. It is part of Texas Instruments\' 5 amp synchronous step-down portfolio and is available in a 3 mm PQFN package. The TPS54541EVM-555 is designed to enable quick evaluation of the TPS54541 synchronous step down 4A, 5V converter in a buck configuration and also offers a wide variety of other features including support for a wide input voltage range, adjustable frequency and adjustable output voltage. The EVM also provides the flexibility to configure the IC for various applications such as DC/DC converter or AC/DC converter with internal power supply.

The main application field of TPS54541EVM-555 is in the power supply and power management of contemporary electronics. It provides a synchronous buck converter for DC/DC and AC/DC applications, which allows the use of integrated components to minimize external components. The EVM allows designers to experiment with various parameters and functions such as input voltage range, frequency, output voltage, power selection, product integration, and product evaluation. In addition, the output can be set for various applications such as variable speed motor control, audio amplifier, switched mode power supply, processor core supply, LED driver and many more.

The TPS54541EVM-555 can be used to evaluate a wide range of product features including input voltage range, output voltage setup, current limit, start-up time, and soft-start. The EVM is designed to provide regulated outputs of 3.3V, 5V, 6V, and 9V. The frequency of the device is adjustable up to 500KHz, and the output voltage of the device can be set with software through either voltages or codes. The maximum output current of the EVM is 5A.

The working principle of the TPS54541EVM-555 is a synchronous buck converter. The module incorporates a low RDSon synchronous rectifier, an undervoltage lockout (UVLO) and an overvoltage protection (OVP). The IC monitors the input current and voltage, output voltage, and also allows the module to be current and temperature limited via internal protection and current loop compensation. The current limit is adjustable through the use of a trimmable resistor, while the frequency is adjustable with an external resistor, or by the on-chip RC oscillator.

The TPS54541EVM-555 is designed with a wide input voltage range from 5.5V to 42V. The IC has integrated current sensing, which allows it to operate in either discontinuous or continuous mode. The EVM has a disable input logic that allows the user to select LDO mode or pulse skipping mode. The IC is also capable of advanced features such as adjustable phase current limit, overvoltage protection (OVP), undervoltage lockout (UVLO), programmable soft-start, and programmable current limit. The EVM also allows the user to select the output voltage level ranging from 0V to 18V.

In conclusion, the TPS54541EVM-555 is an evaluation module designed for DC/DC and AC/DC applications featuring a high-efficiency synchronous buck regulator. The module incorporates a low RDSon synchronous rectifier, an undervoltage lockout (UVLO) and an overvoltage protection (OVP). It can be used to evaluate a wide range of product features including input voltage range, output voltage setup, current limit, start-up time, and soft-start. Its high level of integration and wide range of functions make the TPS54541EVM-555 an excellent choice for DC/DC and AC/DC applications.

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