TPS54428EVM-052

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The Texas Instruments TPS54428EVM-052 is a complete evaluation module (EVM) for the TPS54428 synchronous buck converter. The TPS54428 is an integrated DC/DC synchronous buck converter with an input voltage range of 4.0 V to 18 V. This module is ideal for evaluation of various low-power applications, including motor drive, power supplies, and automation, among others. The TPS54428EVM-052 provides current regulation that is better than 1/2 of a percent over line and output voltage variations.

The TPS54428EVM-052 is designed to provide users an easily accessible platform for testing and adjusting the design parameters of the TPS54428 switch-mode power supply (SMPS) IC. It has an internal voltage loop, allowing for the output voltage to be adjusted from 0.45 V to 5 V. It is also equipped with two LEDs which indicate the operation status of the output voltage, giving the user a visual indication of the TPS54428\'s operation. This EVM is also also fully-protected against overload, output short-circuit and thermal faults, making it safe to use in your circuits.

The TPS54428EVM-052 has two input connectors for the power supply: a DC jack for the input voltage and a 2-pin connector for the control voltage. This allows the user to connect their own power sources to the EVM and adjust the input voltage accordingly in order to evaluate the TPS54428\'s operation. The EVM also has multiple test points which are located on the PCB for measuring the input and output voltages of the buck converter. Additionally, the user can use the TPS54428EVM-052 to evaluate the response of the IC to various loads with different duty-cyle settings.

The working principle of the TPS54428EVM-052 involves the use of a buck converter integrated circuit (IC). This is an electronic switch that allows the current to be reduced from a higher voltage to a lower, more manageable voltage. The TPS54428 IC features two-phase operation, which results in low switching loss and high load transient capabilities. The IC is designed to operate at up to 4.5 MHz, allowing for fast conversion. Additionally, the IC has programmable slew rates, allowing for fast changes in the load current to be compensated for in order to maintain the desired output voltage.

The TPS54428EVM-052 can be used for a wide range of applications, ranging from low-power to high-power applications such as motor drives, power supplies, and automation. The TPS54428EVM-052’s two-phase operation and fast response times make it an ideal choice for applications that require a fast response time or high load current changes. Furthermore, since the EVM is fully-protected against overload, output short-circuit and thermal faults, it is a safe and reliable choice for any motor drive or power supply application.

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