On December 11, 2025, Shanghai, China - SITWEI (Shanghai) Electronic Technology Co., Ltd. (stock abbreviation: SITWEI, stock code: 688213) recently announced the launch of the 50 million pixel 0.64 μ m pixel size mobile application CMOS image sensor - SC512HS. SC512HS is built on the SmartClarity SL technology platform of SITWEI, equipped with multiple advantageous technologies such as SITWEI's patented PixGain HDR, SFC Pixel SL, and AllPix ADAF. It has multiple performance advantages such as high dynamic range, low noise, and fast focusing. SC512HS is another extension of the high-performance Stacked BSI platform series produced by SITWEI, which combines performance and cost advantages and can be applied to various types of cameras such as mainstream smartphone main cameras and mid to high end smartphone auxiliary cameras.

High dynamic range, low noise, better image quality performance

The SC512HS is equipped with Sitwell's patented PixGain HDR and SFC Pixel SL technologies, which effectively enhance the dynamic range of mobile video shooting and significantly reduce image noise. Whether it is video recording in high light dark contrast environments or nighttime image shooting, it can be easily controlled.

High dynamic range, more vivid video

Based on the PixGain HDR technology patented by STMicroelectronics, the SC512HS has a maximum dynamic range of 81dB, which can help the phone preserve more bright and dark details in video shooting in complex lighting environments such as backlighting and outdoor strong light, making video lighting more vivid. Moreover, the PixGain HDR technology from STMicroelectronics is achieved through dual frame fusion under the same exposure, which can effectively suppress the generation of motion artifacts and ensure clear and motion free shooting of high dynamic range videos. In addition, SC512HS also supports multiple HDR modes such as Staged HDR and NDOL HDR, which can meet the differentiated application needs of different imaging strategies.

Ultra low noise, more exciting night scenery

Thanks to Siwei's advanced SFC Pixel technology, SC512HS has achieved a significant reduction in noise, with a reading noise of only about 0.75e -, which is about 50% lower than its competitors in the same specifications in the industry. Excellent noise suppression performance can significantly enhance the nighttime imaging quality of mobile phone cameras, resulting in more delicate and clean night scenes.

In-Sensor Zoom， 2x high-definition zoom

SC512HS can support 50MP full-size image output, which can bring professional ultra-high resolution shooting effects to mobile phone cameras. Moreover, SC512HS is equipped with In Sensor Zoom (ISZ) function, which can help mobile phone cameras achieve on-chip 2x digital lossless zoom, ensuring high-definition image quality in 1x and 2x high-frequency shooting focal segments, significantly improving the shooting experience of mainstream smartphone main cameras.

100% full pixel focus, high-definition and fast capture

The SC512HS is equipped with Skyworth AllPix ADAF and Sparse PDAFTM technologies, supporting two fast focusing modes to meet the high-speed focusing needs of balancing focusing efficiency and low power consumption under different lighting conditions. In low light shooting environments such as night and evening, the focusing speed and accuracy of ordinary mobile phone cameras are often affected. SC512HS can activate AllPix ADAF mode in such environments, achieving high-speed and accurate autofocus through 100% full pixel focusing. Under normal lighting conditions, SC512HS can switch to Sparse PDAFTM mode, which uses 6% pixel phase detection to ensure accurate and fast focusing while reducing the power consumption of the phone camera.

Low power consumption, worry free battery life

SC512HS is built on the STMicroelectronics SmartClarity SL technology platform, using a 55nm stack process to ensure overall excellent performance while effectively reducing power consumption. Ultra low power consumption design helps alleviate device overheating during shooting, while extending the maximum shooting time of high-definition videos and ensuring the overall battery life of the device.

As another expansion of the high-performance Stacked BSl series produced by SITWEI, SC512HS combines performance and cost advantages, and can form a complete solution for mobile phone camera CIS with SITWEI's already released CIS products SC562HS, SC532HS, and SC130HS, providing diversified choices for the localization supply of domestic mobile phone CIS.

At present, SC512HS has accepted samples and will achieve mass production in Q1 2026. If you want to learn more about SC512HS products, please contact the sales personnel of SITWEI.

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