XRP6670EVB

Series:	--
Part Status:	Active
Main Purpose:	DC/DC, Step Down
Outputs and Type:	1, Non-Isolated
Voltage - Output:	3.3V
Current - Output:	3A
Voltage - Input:	2.6 V ~ 5.5 V
Regulator Topology:	Buck
Frequency - Switching:	1MHz
Board Type:	Fully Populated
Supplied Contents:	Board(s)
Utilized IC / Part:	XRP6670

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The XRP6670EVB is a 68-pin Evaluation Board (EVB) designed for demonstrating and evaluating the performance of Texas Instrument\'s XRP66x family of low-cost, high-efficiency, monolithic, integrated, constant-frequency, flyback switching regulator components. It is classified as Evaluation Boards- DC/DC & AC/DC (Off-Line) SMPS.The XRP6670EVB provides space for an XRP66x component as well as for a variety of common off-the-shelf microcontrollers (MCUs) and Power Management Integrated Circuits (PMICs). It has an external 120-Vac or 230-Vac AC input, an isolated 5-V output, and various measurement points that allow for easy evaluation of the device’s performance and characteristics. The XRP66x family of components is based on a two-stage architecture, consisting of a dedicated primary-side controller and a secondary-side synchronous rectifier. The XRP66uv device includes a secondary-side reference for the synchronous rectifier, which provides current-mode control of the synchronous rectifier switch and allows for a wide range of features and functions. It is ideal for a variety of offline AC-DC power supply designs.The evaluation board is designed as an isolated, unregulated, flyback switching regulator with a single primary switch and a single secondary-side rectifier. It includes various features that enable the user to easily evaluate the performance and features of the XRP66x family of devices. It has an open-air design that makes it easy to inspect for application-specific components. The various power components including the switching MOSFETs, the rectifier diode, and the EMI filtering components are also easily accessible for inspection and modification.The AC input is connected to a full-bridged rectifier, a Y-capacitor, and an EMI filter network. The secondary-side synchronous rectifier is connected to the higher voltage side of the transformer and is driven by the XRP66x controller. The output voltage is set by adjusting the voltage divider resistors connected to the XRP66x fault sense pin. The primary switch, secondary synchronous rectifier and transformer form the main switching section of the XRP6670EVB. The combination of these components results in a flyback AC-DC power supply design, which is the most commonly used topology for offline power supplies. The transformer and the main power components have been carefully tuned to the application, resulting in a design with low output voltage ripple and high efficiency. The XRP66x family of components can be used for a variety of applications, including PC power supplies, PDA power supplies, consumer electronics, metering, and lighting. The XRP6670EVB can be used to evaluate the XRP66x family of components and make sure that the components perform as expected in the application. The EVB can also provide valuable data for product optimization and testing.The evaluation board can also be used to develop and test controller-based, offline power supply designs. The XRP66x family of components is designed to be controller-based, eliminating the need for a dedicated primary-side controller and enabling the user to easily modify and optimize the design based on the application requirements.The XRP6670EVB evaluation board provides a versatile platform for designers to evaluate the performance of the XRP66x device in a variety of applications. The user can easily inspect and modify the components, making it easy to adapt the design to the specific application. The XRP6670EVB is an invaluable tool for designers and engineers looking to evaluate and optimize their designs utilizing TI’s XRP66x family of components. It provides a ready-made platform for assessing the performance of the XRP66x devices in a variety of applications, from PC power supplies to consumer electronics. The versatility of the XRP6670EVB makes it the perfect tool for designers to use when optimizing their designs.

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