SP6685EB

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Evaluation Boards - LED Drivers

The SP6685EB controller is a high-performance and high-precision, non-isolated synchronous DC/DC buck converter. It is designed for an electrical installation where stable and precise current control is essential. This device is suitable for a variety of applications in automotive, industrial and consumer electronics.

Application Field

The SP6685EB controller is designed to deliver a stable and precise current across LEDs at a wide range of input voltage levels. Typical application fields for this device are automotive lighting, industrial lighting, home lighting, indicators and mobile phone chargers. The controller is ideal for those projects that require a constant current source for LEDs, with low ripple, high efficiency and low standby power consumption. It is also suitable for use in applications that require high power and current accuracy such as smart lighting and color changing lighting.

Working Principle

SP6685EB controller works on the principle of a DC to DC voltage converter. The controller uses a combination of a buck converter, a switching regulator, and an optically isolated signal feedback to deliver a precise current to the LED array. The buck converter is used to convert the input voltage to an efficient voltage. The switching regulator is used to regulate the output current and ensure the steady and accurate performance of the LED array. The optically isolated signal feedback then synchronizes the input and output current and adjusts the LED current as required.

The SP6685EB controller is designed to provide a low cost, low component count solution for LED lighting applications. It delivers a stable, high efficiency, low ripple current and ensures accurate control of the LED array. With its unique features, the SP6685EB controller simplifies the design process and reduces the number of components required during the design stage, while providing a robust and efficient solution.

The SP6685EB controller is also designed with safety in mind. An Optical Isolation (OI) circuit ensures that the input and output sides of the controller are isolated. This prevents any electrical shocks or other harmful currents from occurring between the two sides, protecting the user and the device.

The SP6685EB controller also has built in short circuit protection and over-voltage protection for each channel, ensuring the device can operate safely in harsh or unpredictable environments. It also offers over-temperature protection and thermal shutdown for added safety. These safety features ensure that the controller can deliver reliable operation, even when operating at the extreme conditions of consumer device applications.

In conclusion, the SP6685EB controller is an excellent solution for providing a precised and efficient current to LED arrays. It provides a low-cost and low-component count solution and safety features which enable reliable and accurate operation. The SP6685EB controller is an easy to use device and an ideal choice for LED lighting applications.

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