Belgians very own automotive chip company, Melexis, has released its latest innovative single-chip solution to the industry. Single chips known as the US1168KLD and the US169KLD have been made for extreme quality performance for brushless DC fans and motors. Precisely composed to be able to support smaller solution items all while being a very dependable component. The fan motors have been qualified and produced in accordance with the AEC-Q100 regulations.
The structure of the fan has been programmed with a gentle switching application creating a less nosey component. The reduced EMI and acoustic noise, has made the US1168KLD and the US169KLD chips become a commodity on the market because of it. Prime examples of products that would benefit from a quitter unit would be items such as audio, cooling fans for wireless chargers, computing, cooling fans, multimedia and sensor fans; items that could be manufactured as in-cabin automotive applications. Despite the single chips size its potential competes with larger units of its type.
“Configured as a full-bridge driver with the ability to drive motor currents up to 300mA and a supply range from 1.8V to 5V, the devices include an integrated Hall effect sensor.”
Along with many other innovative pieces, the US168 includes a tachometer (FG) , alarm output system (RD) and output signals. The intricate design creates a well-rounded structure built for intense jobs. Composed of thermal protection, locked rotors, and made with a “built-in reverse voltage system. With its very compacted design, it is allowed to be placed in “ultra-thin fans” that size only 3mm² of PCB area. Held together by a UTDFN6 box that is compatible to be able to fit both units. Melexis has created themselves a unit that is very beneficial to the user to be able to support smaller and efficient items.
ASAP parts unlimited is a prime source for supplying Best Automotive-grade fan driver IC, Driving single-coil, Brushless DC fans and motors, Melexis Electronic products. Having tested and placed under warranty for every part with every order, ASAP can supply your needs. Specializing in obsolete and hard to find parts, our dedicated staff will exhaust every avenue for the part requested. For a further look at the products unlimited is able to provide visit www.asappartsunlimited.com.
Italian aircraft accident investigation authority ANSV has determined that for a takeoff from Verona, Italy, on September 1, 2009, 87 passengers flying onwards to Rome were not redistributed. 58 of these passengers had been in the rear cabin and another 25 in the center cabin, with just 4 in the front. The passengers were supposed to be redistributed with 29 seated in each cabin. Originally, the tail-strike accident was attributed to an imbalance due to luggage distribution, but upon further investigation, probable cause has been identified to be due to uneven passenger load.
Although the ramp agent told ANSV that he had submitted a load and trim sheet to the captain, the reorganization was not carried out, possibly due to a misunderstanding. The captain, however, still approved and signed the load sheet. ASV's full inquiry states that the pilots used the flex thrust setting for departure but, against normal procedures, did not apply forward side-stick pressure as the aircraft began to roll.
7 seconds into the take-off roll, the captain momentarily reduced thrust before abruptly raising it to the maximum. As the aircraft reached 60kt, it struck its tail on the runway, and further fluctuations, with lower intensity, showed the jet suffered repeated strikes, according to the inquiry.
The crew had decided to continue the flight—contrary to operating procedures which require an immediate return to the airport in case of tail-strike—and tried to proceed to Rome. However, the subsequent cabin pressurization warning prompted the crew to return to Verona. The pilots must have realized that the impact occurred during take-off, but the precise decision-making situation could not be clarified because the cockpit-voice recorder data for the initial part of the flight was unavailable. No one was seriously injured in the flight, but four of those in the rearmost row were treated for whiplash.
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