Product Overview
The Broadcom AFBR-S50LX85D is an advanced multi-pixel optical distance and motion measurement sensor module utilizing the Time-of-Flight (ToF) principle. Engineered for high speed and accuracy at extended ranges, it offers a compact size and remarkably low power consumption. Its robust ambient light suppression enables reliable operation in direct sunlight, and it accurately measures various surface types including white, black, colored, metallic, and retroreflective materials. The module integrates an infrared laser light source and an internal clock, requiring a single 5.0V power supply. Data communication is handled via a digital Serial Peripheral Interface (SPI) with standard 3.3V CMOS levels. The sensor supports frame rates up to 3 kHz and achieves an unambiguous range of up to 200m in its dual-frequency (2f) mode. Ideal for applications in robotics, automation, security surveillance, and drone navigation, it provides precise distance and motion data.
Product Attributes
- Brand: Broadcom
- Technology: Optical Time-of-Flight (ToF)
- Laser Type: 850-nm VCSEL (Vertical-Cavity Surface-Emitting Laser)
- Laser Safety: Class 1 ready (IEC 60825-1:2014)
- Interface: SPI (Serial Peripheral Interface)
- Power Supply: 5.0V Single Supply
- Output Data: Digital (3.3V CMOS levels)
- Certifications: RoHS I and II, REACH, UL-94V-0
Technical Specifications
| Specification | Value | Unit | Notes |
|---|---|---|---|
| Model | AFBR-S50LX85D | - | - |
| Supply Voltage (Sensor) | 4.5 - 5.5 | V | Recommended: 4.75V to 5.25V for full temperature range |
| Supply Voltage (Laser Anode) | 4.5 - 5.5 | V | - |
| Typical Current Consumption (Sensor) | 32 | mA | - |
| Typical Optical Peak Output Power | 80 | mW | - |
| Typical Optical Average Output Power | < 0.6 | mW | Assumes Laser Class 1 operation |
| Receiver Pixels | 32 | - | 8 rows x 4 columns, hexagonal structure |
| Field of View (FoV) per Pixel | 1.55 1.55 | - | |
| Transmitter Beam Width | 2 2 | Illuminates typically 1 to 3 pixels | |
| Distance Range | Up to 50 | m | And beyond, depends on target remission, ambient light, and configuration |
| Unambiguous Range (2f mode) | Up to 200 | m | For frame rates up to 100 Hz |
| Operation Temperature (Ambient) | -20 to 70 | C | - |
| SPI Digital Interface Clock Speed | Up to 25 | MHz | Standard 3.3V CMOS levels |
| Dimensions (L x W x H) | 12.4 7.6 7.9 | mm | Without pins |
| Ambient Light Operation | Up to 100,000 - 200,000 | lx | Suppression capability |
| Accuracy Error (Typical) | Below 2% | - | Relative accuracy |
| Frame Rate (Max) | Up to 3000 | Hz | Depends on configuration (e.g., number of pixels, integration time) |
| Distance Resolution | 0.1 | mm | - |
| Precision (Typical) | 0.5 - 10 | mm | Depends on remission, distance, pulse length, integration time |
| Power-Up Time | - | 1 | ms |
| Initialization Time | 300 | - | ms |
2411192338_Broadcom-AFBR-S50LX85D_C20276859.pdf
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