IS31BL3506A-TTLS2-EB

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The IS31BL3506A-TTLS2-EB is an evaluation board based on the IS31BL3506A LED driver IC. It is part of the evaluation boards category which covers LED drivers, motion and proximity sensors and the SmaLED series among other things. The board consists of the IS31BL3506A LED driver IC, a terminal block, two touch keys, two LEDs, a current-limiting resistor, and a temperature sensing terminal. It also has an operating voltage of 3.3V, and a power consumption of 370mW. It has a small form factor of 24mm x 9.6mm and has features such as I2C bus interface, 16-level brightness adjustment, 8-bit PWM resolution, 3.2mA output current, and a temperature sensing pin.

The IS31BL3506A-TTLS2-EB is mainly used for a variety of applications such as for low power illumination lighting, display lighting, signage lighting and backlight directly driving. The evaluation board also fully supports I2C communication through the SCL and SDA pins, which are used to control the LED drivers and LEDs. The IS31BL3506A LED driver IC has the capability of combining up to six channels of the ISL2XXP current sinks into its configuration. This allows for the driver to drive a greater number of LEDs than basic switches.

The working principle of the IS31BL3506A-TTLS2-EB is fairly simple to understand. The LED driver IC uses the SCL and SDA pins to communicate with the user’s external device. Through this communication, the user can easily adjust the LED driver’s brightness and the operating temperature, as well as set up other configuration parameters. Additionally, the IS31BL3506A LED driver IC contains up to six current sink channels which can drive up to 16 LEDs. The current sinks are configured and adjusted via the ISL2XXP select terminal, and the current will be determined by the connecting resistor and LED channel. Once the LED channel is configured, the LED will be driven by the LED driver IC and the brightness of the LED is determined by the current sink channels.

In conclusion, the IS31BL3506A-TTLS2-EB is a versatile evaluation board and is suitable for a variety of applications due to its small size and low power consumption. It is also capable of driving up to 16 LEDs with its six current sink channels and can be controlled through its I2C bus interface. The working principle is also easy to understand and the board’s features make it even more appealing to users.

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