EVAL6928Q1

Series:	--
Part Status:	Obsolete
Main Purpose:	DC/DC, Step Down
Outputs and Type:	1, Non-Isolated
Voltage - Output:	0.6 V ~ 5.5 V
Current - Output:	800mA
Voltage - Input:	2 V ~ 5.5 V
Regulator Topology:	Buck
Frequency - Switching:	1.4MHz
Board Type:	Fully Populated
Supplied Contents:	Board(s)
Utilized IC / Part:	L6928

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The EVAL6928Q1 is a high-performance switching power supply evaluation board, designed to demonstrate the features of the STEVAL-6928V1, an offline LED driver IC that is ideally suited for a wide range of ac-dc and dc-dc applications. This evaluation board features a wide range of inputs allowing it to work with AC/DC and DC/DC input voltages from 8V to 40V. It is a highly efficient power supply that is capable of providing up to 1.2A continuous current output and up to 4A peak current output. It has an efficient switch mode power supply design that minimizes the overall form factor to optimize power usage.The EVAL6928Q1 evaluation board is designed for easy testing and evaluation of the STEVAL-6928V1 device. It includes full protection features such as output voltage protection, short-circuit protection, over-temperature protection, and current-limiting. This board is highly integrated with a low number of external components required, making it ideal for system integration and reducing the Bill of Materials (BoM). The board also includes user-friendly features such as an output power indicator LED, PC connectivity for convenient testing and data logging, and user-controllable features via the STEVAL-IHM045V2 programming board.The EVAL6928Q1 features a simple, highly efficient, fully-protected, switch mode power supply design with simple user control via the STEVAL-IHM045V2 programming board. The design uses a synchronous rectifier to reduce losses and increase efficiency, while minimizing the size and complexity of the overall circuit. It also includes primary-side regulation and a comprehensive set of protection features to ensure safe and reliable operation.The EVAL6928Q1 evaluation board is built using the STEVAL-6928V1 IC, which provides an adjustable output voltage range of 12V to 24V. The IC includes a Frequency Modulated Control (FM-Control) circuit that provides adjustable switching frequency and peak current control. The FM-Control circuit also ensures a low total harmonic distortion (THD) and excellent power factor performance. The STEVAL-6928V1 also includes several integrated safety features such as output over-voltage protection (OVP) and output short-circuit protection (SCP).The user-controllable features of the EVAL6928Q1 include the adjustable switching frequency, peak current control, dimming range, and soft start. All of these features are controlled via the STEVAL-IHM045V2 programming board, allowing the user to customize the device’s operating parameters to meet their specific application requirements. Additionally, the EVAL6928Q1 evaluation board includes three power converters: a buck converter, boost converter, and buck-boost controller. These controllers can be used in applications such as LED light drivers and other non-isolated offline applications.In summary, the EVAL6928Q1 is a high-performance switching power supply evaluation board, designed for use in a variety of DC/DC and AC/DC applications. It features a highly efficient switch mode power supply design with full protection features and user controllable features via the STEVAL-IHM045V2 programming board. It is capable of providing up to 1.2A continuous output current and up to 4A peak current output, while providing excellent power factor performance and low total harmonic distortion (THD). The EVAL6928Q1 board is ideal for system integration due to its low number of external components required and user-friendly features such as output power indicators and PC connectivity for convenient testing and data logging.

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