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Specifications
Mfr. Part #:
SPMB250-A1
Key Attributes
Model Number:
SPMB250-A1
Product Description
Product Overview
The SPMB250-A1 is a ready-to-use wireless acceleration sensor designed for remote motion monitoring in wireless sensor networks. It features an IEEE 802.15.4 compliant radio, an integrated three-axis MEMS accelerometer, and an onboard antenna. The device is programmable via an SIF connector and supports the EMZNET ZigBee protocol stack. It offers external connections for power, reset, commissioning, and debugging LEDs, and can be fixed with screws or pads for SMD soldering.
Product Attributes
- Brand: MOTIONBEE
- Model: SPMB250-A1
- Compliance: CE / FCC compliant, RoHS compliant, ECOPACK norms
- Origin: ST (implied by www.st.com)
Technical Specifications
| Feature | Specification | Details |
| Wireless Standard | IEEE 802.15.4 compliant | Radio |
| Accelerometer | 3-axis MEMS-based linear accelerometer | LIS3LV02DL |
| Measurement Range | User selectable | +/-2 g or +/-6 g |
| Data Rate | Programmable | |
| Controller | SPZB250 module | Integrates SN250 SoC (802.15.4 radio + microcontroller) |
| Protocol Stack | EMZNET ZigBee | From Ember Corporation |
| Board Dimensions | 49 x 27 x 5 mm | |
| Power Supply | External power supplier required | 2-pole connector (e.g., Molex 53261-0271) |
| Operating Voltage | 3.6 V to 6 V | At -40 C < T < 85 C |
| Operating Temperature | -40 C to +85 C | |
| Storage Temperature | -40 C to +85 C | |
| Current Consumption | Standby: 16 A (Vin=4V) TX mode: 37 mA (Vin=4V) RX mode: 36 mA (Vin=4V) CPU only: 9 mA (Vin=4V) | Values depend on working strategy |
| RF Frequency Range | 2405 - 2480 MHz | Input and Output |
| Receiver Sensitivity | -92 dBm | @ PER 1 % |
| Nominal Output Power | 0 dBm | @ 2402 2480 MHz |
| Acceleration Sensor Resolution | 1.0 mg | Full-scale = 2 g, Output data rate = 40 Hz |
| Acceleration Sensor Sensitivity | 12 bit representation | 920 - 1126 LSB/g (Full-scale = 2 g) 306 - 374 LSB/g (Full-scale = 6 g) |
| Programming Interface | SIF connector (J2) | Signals: Vdd, SIF_MISO, GND, SIF_MOSI, GND, SIF_CLK, SIF_LOADB, RSTB, PTI_EN, PTI_DATA |
| External Controls | Reset push button (SW1) Commissioning push button (SW3) ON/OFF switch (SW2) | |
| Indicators | Two LEDs (L2, L3) | For connection check and debugging |
| Mounting Options | Screws or pads for SMD soldering |
2504101957_ST-SPMB250-A1_C17201715.pdf
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