IS31BL3231-DLS2-EB

Utilized IC / Part:	IS31BL3231
Series:	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Current - Output / Channel:	--
Moisture Sensitivity Level (MSL):	--
Outputs and Type:	--
Voltage - Output:	--
Features:	Adjustable
Voltage - Input:	2.7 V ~ 5.5 V
Supplied Contents:	Board(s)

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Introduction

IS31BL3231-DLS2-EB Evaluation Board is a versatile LED driver designed to provide an efficient, low cost and high quality driver circuit solution for LED applications. It features a wide range of features, such as wide input voltage range, LED current control and dimming control, as well as other high performance features including wide voltage operating temperature range, diagnostic alarms and thermal protection. The board comes with a built-in safety circuit to protect against overcurrent and overvoltage events, allowing the user to confidently operate the circuit with no risk to their system or the driver itself.

Application Field

The IS31BL3231-DLS2-EB Evaluation Board can be used in a wide variety of LED applications. It is specifically designed to provide an efficient, cost effective solution for LED display driver applications where LED dimming control, LED current control, multiple operating modes and wide input voltage operation are needed. The board is well suited for applications where the operating temperature range is wide, non-uniform lighting intensity is desired, and a high degree of diagnostic function is needed in order to troubleshoot issues. With its wide input voltage range, it can be used in applications that include lighting fixtures, gaming peripherals, automotive lighting systems and more.

Working Principle

The IS31BL3231-DLS2-EB Evaluation Board is based on the IS31BL3231 2-Channel LED Driver device. The board is composed of an input voltage power supply, an opto-isolator, an LED dimming control circuit, an LED current control circuit, and a set of pins for connecting to the LED display driver.The input voltage power supply on the board provides a regulated voltage to the opto-isolator, which drives the LED dimming control circuit. This circuit is responsible for controlling the brightness of the LED, by turning off and on the LED current at 400kHz rate. This LED current can be controlled using the LED current control circuit, which allows the user to set the LED current level according to their desired brightness.The board also features diagnostic alarms, which allow the user to detect overcurrent and overvoltage events. The board also features a built-in thermal protection circuit, which can be used to protect the board and its components from excessive temperatures.

Conclusion

The IS31BL3231-DLS2-EB Evaluation Board provides an efficient, cost effective solution for LED display driver applications. Its wide input voltage range, LED current control, LED dimming control, multiple operating modes, diagnostic alarms and thermal protection make it the ideal solution for a wide range of applications.

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