Power of the module
The limits of powering LEDs
Limits of powering LEDs
Large-video displays present a power design challenge; how best to develop an efficient solution that reduces energy losses, minimizes heat generation and is easily scalable. Heat can be a big problem with LEDs. More heat results in excessive temperatures, which rapidly degrades LED luster and longevity.
Delivering brighter LEDs that last longer
Delivering brighter LEDs that last longer
Driving thousands of LEDs in a large-scale video display requires an efficient power system to produce the low-voltage, high-current supply needed. Traditionally designers have turned to a PoL solution that uses 24V as the intermediate DC voltage. Increasing the voltage to 48V though reaps numerous benefits that 24V just can’t deliver including reduced heat generation, reduced cabling, size and weight, increased LED performance, longer panel life and higher power efficiency.
Advantages of Vicor solutions
Advantages of Vicor solutions
Brighter LED panels
Lighter weight cables
Reduced panel weight
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Application examples
Video wall display
The challenge of installing a display of enormous size and weight, with its associated cabling, only became feasible with a move to a Vicor component-enabled, higher voltage bus.
Vehicle-mounted LED advertising
The reliability of the display unit increased with a Vicor high-efficiency solution, operating at a higher ambient temperature and meeting the stringent EMI requirements.
Passenger bus LED display
High efficiency over a wider input range and mounted on the same board as the LEDs, Vicor ZVS buck regulators eliminated hot spots around the power supply thereby correcting color variances of the LED display.
Vicor products for LED applications
Bidirectional power converters
VIEW PRODUCTS
Input:
36 – 60V
Output:7.2 – 15.3V
Power:Up to 2400W
Dimensions:
2317 SM – ChiP
0.89 x 0.68 x 0.29in
22.83 x 17.34 x 7.41mm
6123 ChiP
2.40 x 0.99 x 0.28in
61.00 x 25.14 x 7.21mm
Over 98%
12V, 24V or 48V direct to point-of-load regulators
VIEW PRODUCTS
Input:
12VIN nominal (8 to 18VIN)
24VIN nominal (8 to 42VIN)
48VIN nominal (30 to 60VIN)
Wide output range (2.2 to 16V)
Current:Up to 22A
Efficiency:Up to 98%
Light load and full load high efficiency performance
Dimensions:
LGA SiP
10 x 14 x 2.56mm
Power System Designer
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Output
Min output:
Minimum output:
Nom output:
Nominal output:
Max output:
Maximum output:
Power/Current:
