SSL5031BDB1209UL

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The SSL5031BDB1209UL is a non-isolated, dimmable LED driver, part of the extensive family of evaluation boards, LED drivers. It features multiple dimming options and high efficiency by utilizing an isolated and isolated flyback topology. The SSL5031BDB1209UL’s designed to improve overall power efficiency in lighting applications.

Features and Benefits

The SSL5031BDB1209UL features a wide range of features and benefits, including:

• High efficiency implementation of a non-isolated, dimmable LED driver.
• Multiple dimming options give the user more control over the device.
• IQ-based digital dimming scheme.
• Ability to achieve a very accurate, fast, and dimming stepwise dimming behavior.
• The LED driver part of the evaluation board is highly modular, helping reduce power consumption, cost, and BOM optimization.
• Supports a wide range of nominal voltage inputs from 12V to 42V.
• Integrates an isolated flyback for integrated driving.
• Integrates EMI filters to reduce conducted and radiated emissions.
• Provides robust circuit protection features.

Applications

The SSL5031BDB1209UL is ideal for applications such as residential and commercial lighting, as well as other DC dimmable lighting applications. The board can help reduce costs and improve overall power efficiency in lighting setups. The evaluation board is designed to be used in a lab environment and is perfect for R&D, prototyping and basic testing.

Working Principle

The SSL5031BDB1209UL is a dimmable LED driver board with an integrated isolated flyback topology. It uses an IQ-based digital dimming scheme to achieve very accurate, fast, and dimming stepwise dimming behavior. The board features multiple dimming options and high efficiency by utilizing an isolated and isolated flyback topology to improve overall power efficiency in lighting applications.

The board works in two main steps. First, the digital dimming controller is used to generate a two-part pulse width modulation (PWM) signal to determine the LED brightness. The output of the dimming controller is then fed to an integrated flyback driver circuit to drive the LED with current. The LED driver circuit uses an energy recovery loop (ERL) to recycle energy from voltage waveforms and improve the overall efficiency of the system.

The energy recovery loop works in two stages. First, energy is stored in the inductor when the PWM signal is turned on, which allows a higher output current to be delivered to the LEDs. When the PWM signal is turned off, the energy stored in the inductor is recovered and used to reduce the power consumption of the system. This reduces the stress on the supply and helps to reduce the overall power consumption of the system.

Conclusion

The SSL5031BDB1209UL evaluation board is a non-isolated, dimmable LED driver designed to improve overall power efficiency in lighting applications. Its features, such as multiple dimming options, integrated EMI filters, and robust circuit protection features, enable it to be used in a wide range of applications. Furthermore, its isolated and isolated flyback implementation provides much higher power efficiency and helps to reduce overall cost and BOM optimization.

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