The ST1VAFE6AX is a composite bio-sensing chip designed by ST for next-generation health wearables. It breaks away from the limitations of traditional sensors, integrating electrocardiogram (ECG) acquisition, inertial posture sensing, hardware state machine, on-chip machine learning, and sensor fusion algorithms.

Parameters: ST1VAFE3BX|ST|1VAFE3AX|Maximum sampling rate: 3200Hz/240Hz|Equivalent input noise: 10μV/54μV|Maximum input impedance: 1000MΩ/2400Mℓ|AFE: Typical power consumption: 48.1μW/205μW

1. If your product requires **ECG monitoring + motion posture synchronization detection**, prioritize ST1VAFE6AX for its streamlined BOM, miniaturized hardware, and low-power local AI processing.

2. If only high-speed electromyography is required and a very high input impedance is not needed, then the ST1VAFE3-BX should be selected;

3. Choose the regular LSM6DS series six-axis sensor for pure sports monitoring and no bio-potential acquisition requirements, saving material costs.

*Physiological signs + synchronized perception of human actions** are its core moat, It can solve the problem of large noise and misjudgment in vital sign measurement in a dynamic motion environment, and is a very high-quality core component for smart watches, flexible ECG patches, elderly health care equipment, and motion sensing hardware.

 1. Consumer-level smart wearable devices (main market)

- Smart watch, health band: real-time ECG electrocardiogram detection, heart rate monitoring, synchronized detection of hand shaking, filtering of electrocardiogram noise during exercise;

- Bluetooth earbuds, ear clip wearable: ear internal biological signal acquisition + head posture detection, wearing and falling off recognition, nodding gesture control;

- Sleep monitoring wristband: movement monitoring + nighttime heart rate, HRV heart rate variability analysis to evaluate sleep quality.

 2. Portable home health monitoring hardware

Portable electrocardiogram recorder, flexible health patch. The flexible patch is placed on the chest, and the dynamic electrocardiogram is collected for 24 hours; Relying on the IMU to recognize the user's lying down, walking, and bending movements, distinguishing between physiological motion interference and abnormal heart rhythm, suitable for family early palpitation screening.

 3. Elderly health care, fall warning device

Elderly intelligent pendant, health care wristband: gyroscope accelerometer recognizes the action of falling, vAFE monitors the change of heart rate; After falling, the heart rate surge immediately triggers an alarm, realizing a double trigger alarm of action + physiological signs, and reducing the probability of false alarms.

 4. Sports and fitness equipment

Sports chest strap, fitness sensor: heart rate monitoring during exercise, distinguishing between static heart rate and running heart rate; Identify fitness movements such as running, squats, and push-ups, and rely on the on-chip MLC to complete movement classification.

 5. Human-computer interaction, gesture control hardware

VR / AR simple peripherals, smart remote control, wearable controller, FSM recognizes the gesture of raising the hand, tapping, and rotating, synchronously collects electromyographic biological signals, and realizes more precise muscle action recognition.

 6. Industrial wearable, operation personnel monitoring

Construction site personnel safety wristband, monitor worker posture and fatigue state, judge fatigue operation through heart rate and body shaking, and timely issue reminders.

V. Official development tools and ecosystem support

1.**Evaluation Board STEVAL‑ MKI242A:** A dedicated ST1VAFE6 AX debugging board with a 3.5 mm ECG electrode interface, allowing engineers to directly connect electrodes for bioelectric potential acquisition testing. It is compatible with ST's official MEMS‑ Studio upper-level software for parameter debugging and data visualization....；

2. Official application notes AN6120 (chip basic usage guide) and AN6161 (MLC machine learning kernel development tutorial);

3. ST provides a complete set of routines for sensor fusion, electrocardiogram (ECG) acquisition, and decision tree model transplantation, supporting STM32 series controllers.

Common specifications of STMicroelectronics:

LIS2DWLTR

LSM6DSV16XTR

LSM6DSV32XTR

L9663-TR-1

LSM6DSOETR3

LSM6DSK320XTR

ISM330DHCXTR

ASM330LHHTR

SPC584B70E3EHC0X

STM32H563MIY3QTR

STM32F0316DIE1

STM32G473VCT6

STM32H7B0ZBT6

STM32L053R8T6

ST (STMicroelectronics) sensors; 3D accelerometer; Temperature sensing; ST sensor; Sensor Gyroscope

For technical and business consulting, please contact: 18277896808