Overview of Image Sensors (Part 1)

SmartSens is a manufacturer focused on the research and development of CMOS image sensors (CIS), known for their high cost-performance ratio and strong adaptability to various scenarios. Their products are widely used in security monitoring, automotive electronics, consumer electronics, and machine vision. The core technologies revolve around pain points such as low-light imaging, high dynamic range (HDR), anti-interference (such as LED flicker suppression), and low power consumption, resulting in multiple product lines. The following is a detailed description of the characteristics and technical highlights of each model, categorized by application field + core series:

1. Security Monitoring Field: SC Series (Main Product Line, Covering Mid- to High-End Scenarios)

Security is SmartSens’s core market. The SC series sensors are optimized for monitoring scenarios addressing core pain points such as nighttime low light, backlighting, and LED screen flicker, supporting resolutions from 2 million to 12 million pixels while balancing performance and cost.

1. 2 Million to 5 Million Pixels: Entry to Mid-Range Monitoring, Cost-Effective Choice

SC2310 (2 Million Pixels)

Features: 1/2.8 inch optical format, 2.8μm pixel size (5.6μm after four-in-one), using BSI (back-illuminated) technology, quantum efficiency (QE) reaches 70%+, outstanding low-light performance (color imaging at 0.001Lux).
Core Technology: Supports SmartHDR (120dB dynamic range), SmartNR (2D+3D noise reduction), suppressing nighttime noise; integrates LED flicker suppression (LFM) to avoid stripe flicker when shooting screens/streetlights.
Application: Civil monitoring cameras, corridor/indoor monitoring (cost-sensitive, requires clear nighttime imaging).

SC430AI (4 Million Pixels)

Features: 1/1.8 inch large target area, 1.4μm pixel size (2.8μm after four-in-one), resolution upgraded to 4MP (2560×1440), frame rate 30fps.
Core Technology: Upgraded SmartClarity-III low-light enhancement technology, QE increased to 75%, SNR in 0.01Lux environment improved by 15% compared to the previous generation; supports HDR+LFM dual-mode operation, retaining both bright and dark details in backlit scenes (e.g., backlighting at the door) without LED flicker.
Application: Community main roads, shop monitoring (requires higher resolution for license plate/face recognition).

SC530AI (5 Million Pixels)

Features: 1/1.7 inch target area, 1.0μm pixel size (2.0μm after four-in-one), 5MP (2592×1944) resolution, frame rate 25fps.
Core Technology: Adopts “dual conversion gain (DCG)” design, enhancing brightness in dark areas with high gain and suppressing overexposure in bright areas with low gain; supports “multi-region exposure” to optimize complex light scenes in monitoring images (e.g., “sky + ground”).
Application: Urban road monitoring (requires clarity for both distant vehicles and nearby pedestrians).

2. 8 Million to 12 Million Pixels: High-End Security, Detail Recognition Needs

SC830AI (8 Million Pixels)

Features: 1/1.3 inch super large target area (rare in security field), 1.12μm pixel size (2.24μm after four-in-one), 8MP (3840×2160) resolution, frame rate 30fps.
Core Technology: SmartHDR upgraded to 140dB, capable of handling extreme light ratios of “direct sunlight + shadow areas” simultaneously; integrates “intelligent exposure control”, dynamically adjusting shutter speed (1/30s~1/10000s), balancing motion object capture (e.g., high-speed vehicles) and low-light imaging.
Application: Large scene monitoring in airports, high-speed rail stations (requires wide coverage and clear details).

SC1230 (12 Million Pixels)

Features: 1/1.2 inch target area, 0.8μm pixel size (1.6μm after four-in-one), 12MP (4000×3000) resolution, frame rate 20fps.
Core Technology: Adopts “pixel-level AD conversion”, reducing signal transmission noise; supports “region of interest (ROI) output”, allowing for frame rate enhancement in specific areas of the image (e.g., local 60fps for faces/license plates), balancing full resolution and key area capture.
Application: Core areas of smart cities (requires ultra-high-definition recording of details, such as pedestrian clothing and vehicle features).

2. Automotive Electronics Field: SP Series (Automotive Grade, Meeting Harsh Environments)

Automotive sensors must pass AEC-Q100 certification, meeting a wide temperature range of -40℃ to 105℃, vibration resistance, and high reliability. The SP series covers scenarios such as front view (ADAS), surround view, and cabin monitoring.

1. Front View ADAS / Autonomous Driving: High Dynamics + Fast Response

SP2509 (2 Million Pixels, Front View Main Product)

Features: 1/2.7 inch, 2.9μm pixel size (5.8μm after four-in-one), automotive Grade 2 certification, supports 120dB HDR + LED flicker suppression (LFM).
Core Technology: Global shutter design, avoiding the “jelly effect” of rolling shutter (no distortion when capturing high-speed vehicles); supports “multi-exposure HDR” (3 exposures combined), clearly identifying lane lines and vehicle outlines in backlit scenes (e.g., headlights of oncoming vehicles at sunrise).
Application: L2/L3 level autonomous driving front view cameras (requires recognition of traffic lights, lane lines, and obstacles).

SP5509 (5 Million Pixels, High-End Front View)

Features: 1/1.8 inch, 1.4μm pixel size (2.8μm after four-in-one), frame rate 60fps, automotive Grade 2, supports 140dB HDR.
Core Technology: Integrates “LED flicker frequency adaptation”, capable of recognizing the frequency of LED traffic lights in different regions (50Hz/60Hz), avoiding misjudgment; adopts “high-temperature noise reduction algorithm”, ensuring stable noise control from -40℃ to 105℃ (ensuring performance remains unchanged during low-temperature startup and high-temperature exposure).
Application: L4 level autonomous driving, high-end new energy vehicle front view systems.

2. Surround View / Cabin Monitoring: Low Power Consumption + Small Size

SP1309 (1.3 Million Pixels, Surround View)

Features: 1/3 inch small target area, 3.0μm pixel size, power consumption as low as 80mW, supports rolling shutter, 110dB HDR.
Core Technology: Optimized “close-range distortion correction”, compatible with fisheye lenses (surround view stitching without obvious misalignment); supports “wide dynamic range compression”, ensuring clarity around the vehicle (strong light ground + shadow under the vehicle) simultaneously.
Application: 360° surround view systems (reversing images, blind spot monitoring).

SP202A (2 Million Pixels, Cabin)

Features: 1/2.9 inch, 2.8μm pixel size, infrared (IR) enhancement (supports 940nm infrared light, no red exposure in the cabin at night), frame rate 30fps.
Core Technology: Integrates “face detection optimization”, capable of clearly capturing driver actions such as blinking and looking down (DMS driver monitoring); low power design (100mW), suitable for long-term operation inside the vehicle.
Application: Driver state monitoring (DMS), passenger behavior analysis.

3. Consumer Electronics Field: SF Series (Mobile Phones, Smart Home, Balancing Image Quality and Cost)

Consumer electronics have high demands for “small size, low power consumption, and high cost-performance ratio”. The SF series covers scenarios such as secondary cameras for mobile phones, robotic vacuum cleaners, and smart locks.

SF3328 (2 Million Pixels, Mobile Phone Secondary Camera / Smart Lock)

Features: 1/5 inch ultra-small target area, 1.75μm pixel size, power consumption 60mW, supports HDR + IR enhancement.
Core Technology: Optimized “low-light color reproduction”, ensuring skin tones are not biased when smart locks capture visitors at night; supports “fast autofocus (PDAF)”, with a capture response time of < 100ms.
Application: Mobile phone depth-of-field lenses, smart lock cameras.

SF8336 (8 Million Pixels, Mid- to High-End Consumer Devices)

Features: 1/4 inch, 1.0μm pixel size (2.0μm after four-in-one), 8MP resolution, frame rate 30fps, supports 120dB HDR.
Core Technology: Adopts “pixel merging + super-resolution algorithm”, outputting 2 million pixels (2.0μm large pixels) after four-in-one, enhancing low-light image quality by 2 times; compatible with small-sized lenses (lens height < 5mm), suitable for ultra-thin devices.
Application: Visual navigation for robotic vacuum cleaners, portable action cameras.

4. Machine Vision Field: SM Series (Industrial Inspection, Global Shutter + High Frame Rate)

Machine vision requires “distortion-free capture of fast-moving objects”. The SM series focuses on global shutter technology, supporting high frame rates and precise synchronization.

SM4210 (2 Million Pixels, Industrial Inspection)

Features: 1/1.8 inch, 3.45μm pixel size, global shutter, frame rate 120fps, supports trigger synchronization (external trigger for shooting).
Core Technology: “No ghosting global shutter”, capturing high-speed moving assembly line parts (e.g., PCBs) without motion blur; supports “high dynamic range mode”, addressing strong reflections from LED lighting in industrial scenes.
Application: Electronic component inspection, packaging line identification.

SM8210 (8 Million Pixels, High-End Machine Vision)

Features: 1/1.1 inch, 1.6μm pixel size, global shutter, frame rate 60fps, supports MIPI-CSI2 multi-channel output (data transmission speed increased by 4 times).
Core Technology: “Pixel-level gain control”, allowing for individual exposure adjustments in different areas of the image (e.g., detecting reflective metal parts); compatible with industrial-grade lenses (C mount / F mount), suitable for automation equipment.
Application: High-precision 3D vision, semiconductor wafer inspection.