STEVAL-ILL084V1

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Evaluation Boards - LED Drivers is a category of boards that provide engineers and designers with flexibility and a comprehensive set of development and testing options. STEVAL-ILL084V1 application field and working principle is an LED driver evaluation board that provides a complete switching LED driver solution for all kinds of LED backlight applications.

STEVAL-ILL084V1 is optimized for driving LED pads, channels and strings, making it suitable for large LCDs, televisions and monitors. The system incorporates all the functional stages which are necessary to drive, control and regulate the LED backlight. It includes the input diode bridge rectifier (BD1), a full-bridge inverter (IC1), a controller (IC2) and a power stage (Q1, L1, D5). This evaluation board also incorporates a number of safety and protection features which include an optoblock (VBAT1) for output overcurrent limitation and a thermistor for thermal protection.

The evaluation board also features comprehensive diagnostic capabilities. A signal injection circuit is also provided which facilitates the use of a signal generator and an oscilloscope to evaluate the system\'s performance and monitoring including verification of signal integrity, signal debouncing and MOSFET saturation. In order to monitor the current and voltage, two sets of terminals are present at the top and bottom of the board.

The board features mean well\'s pre-regulated LED driver ICs. LED driver current is controlled by an LCR-style current controller IC, which can accurately trim the current over a wide range of LED load and temperature. The driver IC also has integrated MOSFETs. In order to maximize efficiency and minimize EMI, a high frequency switching buck converter is used. The board also features an auxiliary winding, which translates current from the primary to the secondary side.

The STEVAL-ILL084V1 module has a number of advantages which make it suitable for a wide range of applications. It has a wide output range of up to 28.8W and is designed to provide superior current matching across the LED strings. It also offers the best in class dimming performance, with current modulation up to 100kHz. The module is fully protected to ensure maximum security and protection against overvoltage, overcurrent, short circuit and thermal conditions.

Within the STEVAL-ILL084V1 context, the user can also use other features on the evaluation board which makes the system even more useful. These features include a programmable soft start and overload protection, which not only provides protection against current surges but also allows the user to program the system to start up smoothly and already at the desired intensity. It also features DC/DC power supply which allows the user to adjust the power supply voltage to the desired voltage.

In conclusion, the STEVAL-ILL084V1 evaluation board is a highly efficient, cost-effective and customizable LED driver solution for all kinds of LED backlight applications. It offers superior current matching across the LED strings, wide output range and the best in class dimming performance. It also provides the user with a flexible platform for development and testing. With its wide range of features, the STEVAL-ILL084V1 evaluation board is the perfect choice for all kinds of LED driver applications.

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