The new AS3630 flash driver can drive up to 8A of current, enabling cell phone cameras to capture high-resolution photos. When shooting fast-moving objects in dark light, the photos are smeared, but now you can accurately capture the details while avoiding glare and discomfort, because even a flash duration as low as 10ms provides enough Flash light.
Compared to LED flash drivers that offer up to 2A of output power in today's phones, the AS3630 has up to 4x brightness output and supports faster shutter speeds.
The AS3630 8A LED flash driver uses an innovative architecture that leverages the energy stored in supercapacitors (electric double layer capacitors - EDLC), which is currently being patented. When driving two LEDs in series, the driver will raise the output voltage from 5.5V of the supercapacitor to above 9V to meet the forward voltage requirements of the LED. The boost topology used in the device also allows flash illumination to last longer when the independent capacitor output voltage is lower than the forward voltage of the LED. This architecture allows the use of very small capacitors.
The AS3630 flash driver can simultaneously use the power and battery stored in the supercapacitor and support additional functions such as pre-flash, video capture illumination while the supercapacitor is fully discharged.
Two series-driven flash LEDs provide consistent light output. In high-power flash applications, parallel LED architectures often result in large variations in output light due to differences in LED lamp production. Austrian Microelectronics uses a tandem LED architecture that perfectly matches the light output from the two flash LEDs, independent of the LED forward voltage difference.
In order to optimize system performance, austriamicrosystems has partnered with passive component manufacturer Murata, and many of the performance advantages of the AS3630 will be realized by matching Murata's thin and high-capacity electric double layer capacitors.
Oliver Weber, Marketing Manager, Optical Sensors and Lighting, Austrian Microelectronics, said: "When the AS3630 is paired with Murata's DMF series of high-performance electric double-layer capacitors, it can significantly improve the quality of photos taken by smartphone cameras while maintaining consumers. A highly appealing slim look."
Portable Energy Storage Outdoor
The lithium-ion segment is expected to be the faster-growing market, by technology type, during the forecast period.
The technology type segment of the portable power station market is segmented into lithium-ion and sealed lead acid. The lithium-ion segment is expected to register a higher growth rate during the forecast period. The growth of this segment is attributed to the availability of lithium ions at affordable prices across regions such as North America, Europe, and Asia Pacific. In addition, the use of lithium-ion reduces the operational cost of portable power stations.
By power source, hybrid power is expected to dominate the portable power station market.
The market is segmented by power source into hybrid power and direct power. Hybrid power accounted for the larger share of the portable power station market in 2020. The key advantage of using hybrid power is that it can be used at remote or off-grid locations, where direct power access is limited or non-existent. Solar power charging in hybrid power is predominantly used to charge portable power station equipment for campsites and recreational vehicle activities. Moreover, several major manufacturers are offering both solar charging-enabled portable power stations and portable power stations with direct power charging capability for powering electronic equipment during power outages and grid blackouts.
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Shenzhen Zhifu New Energy Co., Ltd. , https://www.sunbeambattery.com