2012年12月5日星期三

ISSI's Innovative FxLED Driver drives 144 RGB LEDs for informational lighting displays



Integrated Silicon Solution, Inc. (Nasdaq:ISSI), a leader in advanced memory and analog IC solutions, has announced the IS31FL3731 a high performance dot matrix LED driver for intelligent displays used in mobile phones, white good appliances, toys and personal electronics. The IS31FL3731 is a compact LED driver with pre-programmed animation and color-effect lighting functions accessed via an I2C compatible interface. These pre-programmed functions free-up the microcontroller to do other system functions resulting in increased performance and battery life. These devices can also be used in non-battery applications such as displays in home appliances, thermostats, indoor informational displays and in industrial applications such as displays in smart meters. They are also used in various automotive applications including dashboard and decorative display applications.For example, the mobile jaw crusher plants use PE jaw crusher or Cursher, and the optional equipments such as Belt Conveyor, Vibrating Feeder, Vibrating Screen are different sizes to matching different types of the jaw crusher machine, all of the collocations dependent on the customers' requirements.
The IS31FL3731 supports two arrays of 72 LEDs for a total of 144 LEDs which can be individually dimmed in 256 steps (8-bit) with 1/9 cycle rate.Obviously, they put more press on iphone. Finally, it seems that iphone has the same battery time with other china tablet. Now it turns out that it is your using habit that shortened the lifespan. If you just make phone calls and send messages, it will keep for longer time. The required signals to drive all 144 LEDs have been reduced to 18 by using a multiplexing feature that requires fewer traces resulting in an optimized PCB space. The IS31FL3731 integrates 8 frames of memory which can be displayed with programmable time delays between frames to play small LED matrix animations. The flexible architecture allows multiple IS31FL3731's to be cascaded for driving much larger arrays of RGB LEDs. For an added dimension of animation, an analog input such as an audio signal can be used to modulate the LED display intensity.
"ISSI has been known traditionally as a high quality,Solar garden light advanced memory supplier",Everyday all the people in the world will push out the waste from their houses. These metal machining will not be look also for any other purposes. The world has now become alert about the global warming and balance of nature. said Ven Shan, ISSI VP of Analog products. "Many don't know that we have embarked on a fast track strategy to become a go-to supplier of audio amplifiers, HB LED and RGB LED drivers for the automotive, white good appliances and consumer electronics markets. The IS31FL3731 is the industry leading matrix LED driver with the most functions packed into a small QFN-28 package."In addition to the small QFN-28 (4mm × 4mm),Solar Laptop charger the IS31FL3731 matrix LED driver is also available in a gull winged SSOP-28 package for easier handling in applications that are not space sensitive. The device's operating voltage of 2.7V to 5.5V over the industrial temperature range of -40°C to +85°C makes it ideal for portable battery applications.Overall, ISSI's broad portfolio of FxLED drivers simplifies the blending of Red-Green-Blue LEDs to produce a broad range of predefined colors and sequences driving 3 to 144 LED channels.

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