EXCLARA: Good at "core", simple
Exclara is a privately held and venture-free fabless semiconductor company that officially entered the Chinese market in March this year. Exclara's integrated circuit and module solutions help system designers and manufacturers achieve power supply and management of LED light engines to meet different applications and specifications.
Recently, the company introduced a high-voltage LED driver with the latest HVX technology, which was highly praised for its low price and simple components.
"The high-voltage LED driver using Exclara's latest HVX technology has significant advantages in technology and cost performance, and will lead the market trend of LED lamps below $10." Company CEO Shri Dodani proudly told the high-tech LED reporter.
EXCLARA CEO Shri Dodani
High- tech LED: Can you give us a detailed introduction to high-voltage LED driver products using HVX technology?
Shri Dodani : We have three main products, the HPX series, the LVX series and the HVX series. The EXC100 is the first in the HVX series. It is a single crystal power supply for high voltage LEDs. This extremely low-cost drive uses very few components. For example, a 10 watt power supply requires only 10-15 components including the board. By integrating all of the control functions required for high-voltage AC operation, it is more cost effective than a DC solution and requires less overall power system. The HVX product line features plug-and-play design with high efficiency, high power, low electromagnetic interference, high reliability and long life.
High-tech LED: What advantages does this series have over other similar products?
Shri Dodani : First of all, the number of parts is reduced compared to the conventional ones, such as transformers, electrolytic capacitors, anti-interference and other components, the same function, the same drive power, with a small single chip can replace the original solution. In the absence of electrolytic capacitors, the lifetime can be greatly improved.
Secondly, the LED itself will be hot and need heat sink cooling. The temperature inside the LVX solution product is not allowed to exceed 65 degrees, and the temperature inside the HVX can exceed 100 degrees, so the demand for the heat sink can be reduced.
Third, this product also supports dimming of thyristors.
As LCD display in YFJ company that we usually use it to military grade battery ,especially Lithium-ion batteries ,for these battery applications ,we have obvious advantage is that we focus more on shor circuit protection which we follow the US military standard.
Short circuit protection:The following test shall be performed. Charge batteriesas specified in ; use of 4.6.3 is permitted. Measure and record the OCV. Short each battery across all the positive and negative terminals with a total external resistance not greater than 50 milliohms. After one hour remove the short from across the terminals. Measure and record the OCV. Stabilize batteries at the normal conditions of 4.3.1 for not less than 2 hours. Chargebatteries in accordance with 4.6; use of 4.6.3 is permitted. Stabilize batteries at normal conditions for not less than 2 hours, then discharge the battery in accordance with 4.7.2.3. The battery shall meet the requirements of 3.7.2.3.
Li-Ion Battery With Lcd Display
Charge voltage: 16.8V
Nominal voltage : 14.8V (4S7P)
Initial impedance : 120mΩ
Nominal capacity: 19.6Ah
Minimum capacity: 19.4Ah
Communication methods : SMBUS data communication
Electricity quantity show: LCD Electricity quantity show
Charge current: Standard Charging::0.2C5A (3.9A)
Rapid charge: 0.5C5A C(9.8A) Max
Standard Charging method : 3.9A(0.2C5A) CC(constant current)charge to 16.8V,then CV(constant voltage 16.8V)charge till charge current decline to ≤196mA(≈0.01C5A)
Charging time:Standard Charging: 6.5hours(Ref.)
Rapid charge: 3.5 hours(Ref.)
Max.discharge current: 9.8A(0.5C5A)
Discharge cut-off voltage: 10.0V
Cycle life (0.2C5A/0.2C5A) : 500 items,≧80%DOD; 300 times,≧80%DOD
Operating temperature : Charging: 0℃~45℃
Discharging:-20℃~+60℃
Li-ion Battery With LCD Display
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YFJ TECHNOLOGY (HK) CO.,LIMITED , http://www.yfjpower.com