Smart Ring Solution
Analysis of the core advantages of the product
Extremely small size design
Main control and battery size: The main control board size is 1.6×7.49×31.37mm (T×W×H), the battery size is 1.7×6.5×26.83mm, and the overall size is only 1.7×7.49×56.33mm, which realizes the miniaturization of the smart ring.
Key component packaging technology:
Onruiwei OM6626A Bluetooth SoC: adopts 3mm×3mm LGA28 package, with excellent heat dissipation performance and compact size, perfectly adapting to the compact space requirements of smart rings.
Warm core BAF003 AFE chip: WLCSP package size is only 2.4×2.48mm, integrating multi-function sensors such as ECG, blood oxygen, and body temperature, reducing the area of peripheral circuits.
Tongcheng Unlimited Ceramic Antenna CS-2450-31-SE-B: Using the high dielectric constant of ceramic media, the antenna size is reduced (about 31mm) while maintaining low signal loss to meet the concealed layout requirements of Bluetooth modules.
Grepow arc battery: with a thickness of only 1.7mm, it adopts a customized arc design to fit the internal space of the ring, with an energy density of up to 470Wh/L, solving the power supply problem of micro devices.
Multifunctional health monitoring
Multi-dimensional data acquisition of BAF003 AFE chip:
Physiological parameters: support basic indicators such as heart rate, blood oxygen (PPG), body temperature (accuracy ±0.3℃), bioimpedance (BioZ), etc.
Advanced analysis: calculate fatigue index, anxiety index and heart rate variability (HRV) through electromyography (EMG) and electrocardiography (ECG) signals, providing in-depth health insights.
Movement state recognition: integrated high-precision accelerometer data processing interface, can detect step frequency, exercise intensity and calorie consumption.
Solution composition and technical collaboration
1. Low-power Bluetooth communication solution
Core performance of Onrui Micro OM6626A:
RF performance: maximum transmit power 10dBm, receiving sensitivity -99dBm@1Mbps, ensuring stable connection.
Processing power: ARM Cortex-M4 core (64MHz) + 80KB RAM, supporting complex algorithm operation.
Protocol compatibility: Support Bluetooth 5.3 and SIG Mesh to meet the needs of multi-device interconnection scenarios.
2. High-precision sensing and data processing
BAF003 signal chain optimization:
Two-stage programmable gain amplifier: maximum gain 120 times, common mode rejection ratio 130dB, effectively amplifying weak physiological signals.
16-bit ADC and FIFO cache: sampling rate 2kHz, 256×18bit data cache reduces frequent interrupts of the main control.
3. Structural design and reliability guarantee
Application of Deju epoxy resin glue:
Packaging protection: low shrinkage (<0.2%) and high mechanical strength to prevent displacement of micro components due to vibration or temperature difference.
Environmental tolerance: IP68 waterproof and dustproof, resistant to extreme temperatures of -40℃~85℃, suitable for all-weather wearing scenarios.
Application scenarios and user experience
Health management: Continuously monitor sub-health indicators (such as HRV abnormal warning) to help manage chronic diseases.
Sports optimization: Real-time feedback on exercise intensity and recovery suggestions, suitable for fitness enthusiasts and professional athletes.
Business scenario: Titanium alloy shell + concealed design, taking into account both wearing beauty and all-weather data collection.
Through the above technical integration, the product has reached the industry-leading level in miniaturization, battery life and functional depth, and at the same time, relying on the domestic supply chain to achieve the dual advantages of cost and customization flexibility.
Source: Shiqiang
