The global photodetector market is expected to experience explosive growth in 2025, with its scale surpassing $30 billion. China's market share reaches 32.7%, making it a core source of technological innovation and industrial applications. The industry is currently undergoing profound changes: new materials such as organic semiconductors, perovskite, and quantum dots are driving devices toward ultra-thin (≤5μm) and flexible directions. Meanwhile, emerging scenarios like non-invasive medical blood glucose monitoring, smart home quantum dot ambient light sensors (penetration rate has reached 20%), and industrial predictive maintenance are imposing higher requirements on photodetectors in terms of dynamic range, environmental adaptability, and integration.

As a highly integrated photodetector module, the CBMPD188B from Corebai, features a core advantage of 129dB ultra-wide dynamic range and 20μW ultra-low power consumption, precisely meeting market demands and providing an integrated solution for the smart sensing field that balances high performance and low power consumption.

The CBMPD188B's core competitiveness stems from its ultra-wide dynamic range and precision light suppression technology. The module achieves a typical 129dB dynamic range, effectively addressing the saturation and blind spot issues of traditional detectors in complex lighting environments. With 60dB ambient light suppression capability and an integrated adaptive filtering algorithm, it significantly reduces interference from fluorescent lights and sunlight, improving the signal-to-noise ratio in applications like smoke detection and particulate matter monitoring by over 40%.

The highly integrated multi-channel architecture significantly reduces system complexity. The module integrates 4 differential and 8 single-ended optoelectronic input channels, supporting simultaneous connection of various types of photodiodes to meet multispectral detection requirements. With 3 independent LED drive channels (each with a maximum output of 240mA) and a 1024-byte FIFO buffer design, it enables batch data reading, reduces MCU interrupt frequency, and lowers system power consumption.

The industrial-grade reliability and ultra-low power design ensure stable operation in extreme environments. The module operates across a temperature range of-40°C to 85°C, meeting stringent requirements for industrial control and automotive electronics. In typical operation, the system consumes only 20μW (including photoelectric detection and signal processing), representing an 80% reduction in power consumption compared to traditional discrete solutions. The analog power supply (VDD1/VDD2) operates within a 1.7V-1.9V voltage range, while the IO power supply (IOVDD) supports 1.7V-3.6V wide voltage input, making it particularly suitable for battery-powered portable devices.

The intelligent data interface and flexible configuration capabilities significantly enhance system integration efficiency. The module features a standard I2C communication interface supporting both 100kHz and 400kHz transmission rates, enabling direct integration with mainstream MCUs and SoCs to simplify hardware design. A 1024-byte FIFO buffer enables batch data acquisition, combined with adjustable sampling rates from 0.002Hz to 16kHz, which not only meets the low-power requirements for slow-changing signals (e.g., ambient light monitoring) but also captures rapid transient optical events (e.g., laser pulses). The multi-pulse integration and 24-bit data output design improve measurement resolution for high-precision applications like water turbidity and gas concentration detection to 0.01 units, while reducing data processing latency by 60%.

application scenarios

Fire smoke alarm system

Air particulate detection equipment

Industrial liquid level and material level monitoring

Smart home appliances and health devices