TPS51125AEVM

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TPS51125AEVM is an evaluation module (EVM) designed to evaluate the operation and functionality of TPS51125A synchronous buck regulator IC. The TPS51125AEVM provides an adjustable DC voltage output over a very wide input voltage range. The EVM has the functional capability to support the synchronous buck regulator operation of the TPS51125A to demonstrate features like programmable frequency, output voltage, power good indicator and adjustable slope compensation. The TPS51125AEVM is housed in a standard PCB with components on both sides of the board in order to demonstrate thePower System Designer (PSD) and high performance features of the device.

The TPS51125AEVM is a versatile DC/DC & AC/DC off-line switching mode power supply (SMPS). It can be used to evaluate performance parameters such as output voltage range, transient response, efficiency and loop stability. The TPS51125A provides a highly efficient and reliable solution for applications with wide input voltage ranges. It is designed to operate on input voltages from 6V to 80V for DC/DC and up to 400V for AC/DC off-line applications.

The TPS51125AEVM evaluation board includes built-in power load with adjustable voltage (VIOUT) and current (IIOUT) measurements, a precision voltage reference (VREF), as well as a wide variety of gate drive and other control signals available to evaluate the performance of the TPS51125A. The board also includes a short circuit protection circuit for the output stage. The evaluation board is pre-loaded with some factory set values and can operate in either forced PWM or Forced PFM mode. The board is designed to operate at 1.2MHz switching frequency with current mode control.

The TPS51125A is a high performance, low quiescent current (<1mA) synchronous buck regulator that can be used to provide an adjustable DC voltage output over a wide input voltage range. The device operates at a switch frequency of 1MHz to 1.2MHz with programmable frequency, output voltage, power good indicator and adjustable slope compensation. The device includes integrated high side and low side MOSFETs for the optimal efficiency. The device features over temperature, over current and over voltage protection.

The TPS51125AEVM board is designed to demonstrate the features and performance of the TPS51125A. During normal operation, the board uses a precision voltage reference (VREF) to sense the output voltage and act as a feedback loop error amplifier. The feedback voltage can be adjusted using a potentiometer. The board also includes an adjustable slope compensation and a power good indicator.

Overall, the TPS51125AEVM is a versatile evaluation module for the TPS51125A synchronous buck regulator IC and is designed to provide a high performance and reliable solution for applications with wide input voltage ranges. The board includes various power loss monitoring signals, over temperature, over current and over voltage protection. It is designed to operate at a switch frequency of 1.2MHz with programmable frequency, output voltage, power good indicator and adjustable slope compensation.

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