Ofweek Semiconductor Lighting Network News 1. Analog thermal resistance value is not equivalent to reliability, GM (mSSOP) package meets JEDECJESD51 and JEDECJ-STD-020C standards
The simulated thermal resistance value is not related to the reliability. The thermal resistance value indicates that the package can carry power consumption without reliability or cost. Taking the common SOT-23 package as an example, the simulated thermal resistance value is as high as 244 ° C / W, but its compact package is suitable for switch components. GM package is a miniature package for the LED display industry. It is fully integrated with the internationally recognized JEDECJESD51 and JEDECJ-STD-020C standards.
2. Through experimental tests, the surface temperature of GM (mSSOP) chip is close to GP (SSOP)
Due to the increasing luminous efficiency of LEDs , it is no longer necessary to exchange large currents for brightness. At a ring temperature of 70 ° C, the test results of 168 hours of burning machine showed that the lamp drive was combined, and the MBI5120GM of the same surface GM (mSSOP) package had a maximum surface temperature of 84 ° C when the drive current was equal to 18.6 mA. The junction temperature is 111.8 ° C, which is much less than 150 ° C above the upper limit of the grain burnout temperature and less than the recommended maximum safe operating temperature of 125 ° C. The lamp drive separation design under the same conditions uses the MBI5024GP in the GP (SSOP) package, and the maximum surface temperature of the chip is 82 °C, which is only 2 °C. Therefore, using a smaller current with a higher luminous efficiency LED can not only achieve the same brightness, but also achieve energy-saving effects. At this time, the package size is reduced, which not only does not affect the reliability performance, but also further realizes the advantage of cost reduction.
3. GM (mSSOP) package realizes the combination of lamp drive, 4 advantages to reduce costs and improve overall reliability
In the general common P10/4 sweeping outdoor screen, after switching to the GM package, the lamp drive can be integrated, and has the following advantages: (1) saving the cost of the drive board, (2) eliminating the cost of the pin header, (3) Eliminate the cost of solder joints, (4) reduce production processes and reduce labor costs. Since the lamp-in-one design no longer uses the joints, the reliability is improved compared to the lamp-drive design using other packages.
4. GM (mSSOP) package successfully imported into overseas European and American markets
Since the promotion of GM packaging since 2013, in addition to the establishment of successful cases by major module factories and engineering companies in China, it has been smoothly introduced into mass production. In the overseas markets, Accumulation Technology also has Daktronics, Europe Mobitec, and other internationally renowned large manufacturers to introduce mass production.
5. GM (mSSOP) package will be imported into the full product line
Accumulation Technology has always been the leader in the development of LED display driver chip technology, from the world's first S-PWM driver chip "MBI5030", the first self-buffered S-PWM driver chip "MBI5050", to the first Low turning voltage energy-saving drive chip "MBI5035". The pursuit of continuous innovation, listening to customers' voices, and meeting customer needs is the consistent mission and self-challenge of Accumulation Technology. While other competitors are still stuck in the 0.5um semiconductor process technology 10 years ago, Accumulation Technology and the world's first foundry Taiwan Semiconductor Integrated Circuit (TSMC), together with the manufacturing process to 0.18um, to reach the full line of products Both can be imported into the GM (mSSOP) package.
6. Accumulation Technology actively invests in research and development to help customers create value
Accumulation Technology invests huge R&D expenses every year, and no one in the industry can do anything right. Recently, the recognition and description of the accumulation of revolutionary GM (mSSOP) packaging errors on the Internet is not true. Accumulation Technology has not verified the Internet. The rumors are deeply regrettable. We hereby declare our customers as our most important asset and assist our customers in creating value for our mission.
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