Basic Product Information
The MMA8653FCR1 is a 3-axis, 10-bit digital MEMS accelerometer manufactured by NXP Semiconductors. It features a compact DFN-10 (2mm x 2mm x 1.0mm) package and provides selectable full-scale ranges of ±2g, ±4g, and ±8g with 10-bit resolution. The device communicates via an I2C interface (up to 400 kHz in Fast Mode) and integrates multiple embedded functions including programmable interrupt pins, motion detection, freefall detection, and pulse detection. With a low-power mode consuming only 7 µA and a standby current of 1.4 µA, the MMA8653FCR1 is optimized for battery-operated and always-on sensing applications. The accelerometer provides output data rates from 1.5 Hz to 800 Hz with configurable oversampling modes for balancing resolution and power consumption. Note: This product has been discontinued by NXP; the FXLS8974CF is recommended as a replacement for new designs.
Core Electrical Parameters
| Parameter | Value |
|---|---|
| Manufacturer | NXP Semiconductors |
| Sensor Type | 3-Axis MEMS Capacitive Accelerometer |
| Sensing Axes | X, Y, Z |
| Resolution | 10-bit |
| Full-Scale Range | ±2g / ±4g / ±8g (selectable) |
| Sensitivity (±2g) | 256 counts/g (3.9 mg/LSB) |
| Sensitivity (±4g) | 128 counts/g (7.8 mg/LSB) |
| Sensitivity (±8g) | 64 counts/g (15.6 mg/LSB) |
| Noise Density | 150 µg/√Hz (independent of resolution) |
| Output Data Rate (ODR) | 1.5 Hz ~ 800 Hz |
| Interface | I2C (up to 400 kHz Fast Mode) |
| Supply Voltage (VDD) | 1.95V ~ 3.6V |
| Interface/Interrupt Supply (VDDIO) | 1.62V ~ 3.6V |
| Operating Current (Active) | 184 µA (typ.) |
| Low-Power Mode Current | 7 µA |
| Standby Current | 1.4 µA |
| Operating Temperature | -40°C ~ +85°C |
| Package | DFN-10 (2mm x 2mm x 1.0mm) |
| Embedded FIFO | 32-sample |
| Interrupt Pins | 2 (configurable) |
| MSL Rating | Level 1 |
| ECCN | EAR99 |
Core Features & Advantages
The MMA8653FCR1 offers several key advantages for motion sensing applications:
- Ultra-Low Power Consumption: With 7 µA in low-power mode and 1.4 µA in standby, the device enables always-on motion detection without significantly impacting battery life in portable devices.
- High Sensitivity at Low g: 256 counts/g (±2g range) provides excellent resolution for tilt and orientation sensing, enabling precise screen rotation and gesture recognition.
- Embedded Intelligent Functions: Hardware-accelerated motion detection, freefall detection, and pulse (tap/double-tap) detection offload the host processor from continuous data polling, reducing system-level power consumption.
- Compact Form Factor: The 2mm x 2mm x 1.0mm DFN-10 package is among the smallest in its class, ideal for space-constrained wearable and handheld designs.
- Configurable Oversampling: Four oversampling modes allow designers to trade response time for noise performance, optimizing the sensor for both high-speed impact detection and low-noise tilt measurement.
- Flexible Interrupt Architecture: Two configurable interrupt pins with independent routing enable simultaneous monitoring of multiple motion events without MCU intervention.
Typical Application Scenarios
- Screen Orientation and Rotation: Auto-rotation of display content in smartphones, tablets, and e-readers based on device tilt angle.
- Wearable Device Motion Sensing: Step counting, activity recognition, and sleep monitoring in fitness trackers and smartwatches.
- Freefall Detection for HDD Protection: Detecting freefall events in laptop and portable storage devices to trigger HDD head parking before impact.
- Industrial Vibration Monitoring: Low-frequency vibration analysis in predictive maintenance systems for motors, pumps, and rotating machinery.
- IoT Tamper and Shock Detection: Detecting physical shock or unauthorized movement in smart locks, asset trackers, and security enclosures.
- Robotics and Drone Stabilization: Tilt feedback for basic attitude reference in low-cost drone and robotic platforms.
Market Reference Price
| Quantity | Unit Price (USD) |
|---|---|
| 1 pc | $2.11 |
| 100 pcs | $1.55 |
| 1,000 pcs | $1.45 |
Source: JLCPCB/LCSC pricing, as of 2025. Prices may vary by distributor.
Product Lifecycle Notice: The MMA8653FCR1 has been discontinued by NXP. The recommended replacement is the FXLS8974CF, which offers improved performance and broader feature set in a compatible form factor.
Related Models Comparison
| Feature | MMA8653FCR1 | FXLS8974CF | MMA8652FCR1 | ADXL345 |
|---|---|---|---|---|
| Manufacturer | NXP | NXP | NXP | Analog Devices |
| Axes | 3 | 3 | 3 | 3 |
| Resolution | 10-bit | 14-bit | 12-bit | 13-bit |
| Full-Scale Range | ±2/4/8g | ±2/4/8/16g | ±2/4/8g | ±2/4/8/16g |
| Interface | I2C | I2C, SPI | I2C | I2C, SPI |
| Low-Power Mode | 7 µA | 2.4 µA | 7 µA | 0.1 µA (standby) |
| Package | DFN-10 (2×2) | LGA-12 (2×2) | DFN-10 (2×2) | LGA-14 (3×5) |
| Status | Obsolete | Active (recommended) | Obsolete | Active |