Save Power and Money While Extending TFT Backlight Lifetime with Next-Gen LED Backlight Converter

Intelligent LED Backlight Converter – SmartLED-II

Apollo Displays is pleased to announce the release of the latest version of our in-house engineered LED backlight converter – the SmartLED-II. This next-generation LED backlight converter offers output power of up to 40 watts and enables control of two high brightness LED rails. The converter’s specialized software allows for personalized configuration to meet the varied requirements of different application fields. Additionally, the converter comes equipped with an I²C interface for ambient light and temperature sensors. Ambient light sensors allows for usage in areas with varying light conditions, enabling automatic brightness adjustments based on ambient conditions – saving power & money over time. The new auto-temperature control facilitates usage/installation into enclosures that suffer from poor ventilation/overheating issues that can reduce brightness and destroy the life of the LED backlight.

Due to a high-efficiency buck regulator, the SmartLED-II reaches an efficiency factor of ≥ 92%. An integrated microcontroller handles all input and control signals, allowing users to interface pushbutton and/or dial controls.

Some features require specific firmware support or are mutually exclusive to other features. Please contact sales support to discuss all possible options or combinations.

Apollo Display’s next-generation LED converter – the Smart LED-II

Hardware Features:

• High-Efficiency Buck Regulator
○ 11 – 16V input range
○ Max. 2.3A output current
(depending on actual rail configuration due to total power limit)
○ Efficiency >= 92%

• Flexible Microcontroller Control
○ On-Board microcontroller handles all input and control signal
○ Features are defined by firmware

Special features:

• Input: 11 – 16V
• Output: 7 – 10V, 200mA – 2A per channel (rail)
• Brightness control via analog voltage (0..3.3V or 0..5V) or PWM (100 .. 1000Hz), 0-100% brightness
• Output PWM synchronized to input, sync signal or free-running with programmable frequency. LED dimming frequency can be synced to the LCD refresh rate.
• I²C interface for ambient light sensor and/or temperature sensors
• Additional GPIOs for local control
  (pushbuttons, sensor pads or potentiometer) and customized functionality.
• Capability to disy-chain multiple boards in a master-slave setup for
  high-power applications
• Control input for NVIS mode. Dual mode backlights allow for different power on each channel – enabling both NVIS (night vision mode) and daytime mode
• Error flag to detect failure of power stage or LED rail

And remember, enhanced TFT displays with high quality LED backlighting units offer the following advantages:

•Long backlight durability
•Low temperature performance
•Environmentally compliant: LEDs are mercury-free
•Better EMI (electro-magnetic interference) protection
•Resistant against shock and vibration

Never forget,  Apollo is always just a click or call (631-580-4360) away.

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