PI3741-01-EVAL1

Series:	Cool-Power®
Part Status:	Active
Main Purpose:	DC/DC, Step Up or Down
Outputs and Type:	1, Non-Isolated
Power - Output:	150W
Voltage - Output:	48V
Current - Output:	--
Voltage - Input:	21 V ~ 60 V
Regulator Topology:	Buck-Boost
Frequency - Switching:	--
Board Type:	Fully Populated
Supplied Contents:	Board(s)
Utilized IC / Part:	PI3741-01

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PI3741-01-EVAL1 evaluation board is an ideal choice for the designers working in high-power applications. It is a single-phase non-isolated driver-based DC/DC & AC/DC off-line SMPS power supply system. With its robust design and intuitive user interface, this board is a great tool for rapidly testing and prototyping different designs.This board subsystem offers ample support to the system designers with its comprehensive features: 1.0A DC/DC converter, 700mW on-board FET gate driver, HV transformer footprint, 5V low power buck converter, isolated DC/DC converter, AC/DC off-line SMPS, waveform diagnostics options, temperature sensing/control, low-voltage MOSFET, and ultra-low power DC/DC controllers. These features are ideal for evaluation and model validation applications, such as power grid simulation, smart grid technology, smart energy management solutions, voltage regulators, and automotive-grade systems.The board operates by taking the input voltage, which is usually 12V or 24V, along with the secondary VHO winding, and converting it to an intermediate voltage which is adjusted and sent to the load. This board is the only one of its kind that uses a configurable bypass switching technique to achieve the required output voltage. The PI3741-01-EVAL1 driver also incorporates a self-biasing technique to simplify the controlling of the output current. This process allows the circuitry to maintain maximum efficiency and output power levels, while also allowing the user to adjust the output voltage and current for applications that require specific load conditions.The working principle of PI3741-01-EVAL1 can be broken down into seven distinct stages:1. Pre-Driver Stage: This stage processes the input signals prior to being fed to the main driver circuit. The pre-driver stage serves to ensure the proper sharing of power between the two power supplies.2. IDRV Stage: This stage is responsible for the conversion of the DC input voltage to AC, in order to facilitate the main driver\'s operation.3. Main Driver: This is where the AC signal is converted to high-current DC and then supplied to the secondary stage of the power system.4. Rectification: The secondary stage rectifies the AC signal, allowing for the creation of a voltage that will power the output load.5. Load resistance: This stage adjusts the resistance of the output load by adjusting the frequency of the ripple filter.6. Ripple Filter: This stage blocks any additional AC signals, allowing for the implementation of clean DC output.7. On-Board Thermal-Bridge System: The integrated thermal bridge system provides the necessary thermal dissipation to ensure the safe operation of the power supply.The PI3741-01-EVAL1 evaluation board is designed to meet the needs of a wide variety of applications. It can be used with devices ranging from CPUs to automotive circuits, and contains an array of features that make it well-suited for use in power supply, renewable energy, industrial control, lighting, and consumer electronics applications. The board is also ideal for testing and models validation as it offers an on-board waveform diagnostics option. Furthermore, the board has a temperature sensing/control option, allowing for additional temperature monitoring of the system. In summary, the PI3741-01-EVAL1 evaluation board is a highly efficient, user-friendly solution for power supply designs in both DC/DC and AC/DC (off-line) SMPS applications. It provides ample support to system designers by offering robust design options, intuitive user interfaces, ample power capacity, and integrated temperature sensing/control. Thanks to these features, this board is an excellent tool for rapid testing and prototyping of power supply designs.

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