STEVAL-ILL020V1

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STEVAL-ILL020V1 is an LED driver evaluation board designed for applications using LED lighting. It is designed to complement the STGSSL380A, an advanced development platform for LED backlighting. The STEVAL-ILL020V1 contains an STGSSL380A device, giving the user access to a wide range of features and hardware options. This evaluation board allows the user to evaluate the performance of a driver and the performance of LEDs in a dimming environment. It provides a robust platform for LED lighting applications, including LED modules, LED drivers, arrays and lamp sets. In this article, we will discuss the application field and working principle of the STEVAL-ILL020V1 in detail.

Application field
The STEVAL-ILL020V1 driver evaluation board is ideally suited for applications requiring low-power devices and precise control. It can be used for applications such as LED lighting, DSM grid control, street lighting, and data center lighting. It is also suitable for power electronics, automotive and industrial applications. The board offers several different output channels, each of which can be programmed for any output current. The output voltage of the board is also adjustable, enabling it to be used in a wide range of applications. The board can also be used for buck, boost, flyback and multi-channel power stages.

Working principle
The STEVAL-ILL020V1 is based on the STGSSL380A development platform, which is a 4-channel LED driving solution. The STGSSL380A has two buck channels, one current-limited constant-current (CC) channel, and one open-drain channel that can be used as an auxiliary switch. It also features a low-side current sense circuit and operates under a closed-loop CC configuration. The STGSSL380A chip is set up as a synchronous buck converter, and the open-drain pin outputs a PWM signal to dim the LEDs. The board also offers adjustable power factor correction (PFC) and the ability to adjust the peak current to reduce power losses. The board can be easily programmed with either the in-system programming (ISP) interface or using pre-configured EEPROM.

The STEVAL-ILL020V1 is designed to support a wide range of LED lighting applications. It is capable of driving up to three LEDs with a total output current of 1000 mA. It also offers adjustable power factor correction and LED current sensing, which help ensure maximum efficiency while providing closed-loop constant-current control. The board also provides adjustable dimming capability and can be programmed to adjust the dimming speed. Additionally, the board features an A/D converter which allows the user to monitor system parameters such as input voltage and output current. The board also features an over-current protection circuit, which will shut down the board in the event of an over-current condition.

The STEVAL-ILL020V1 is an ideal driver evaluation platform for LED lighting applications. It is designed to provide the user with access to features and hardware options of the STGSSL380A device, allowing for efficient and consistent performance. Its adjustable power factor correction, LED current sensing and constant-current control capabilities make it a versatile driver for a wide range of LED lighting applications. The board can also be easily programmed to adjust dimming and power efficiency, providing a robust platform for LED lighting solutions.

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