FSC-BT3721V Xinke EFR32BG22 BLE 5.3 automotive-grade low-power SoC module
FSC-BT3721V is a small-sized AEC-Q100 automotive-grade low-power Bluetooth based on Silicon Labs EFR32BG22 chip 5.3 SoC module is suitable for car key systems, car sensor network systems, car control systems and car diagnostic systems. This module integrates server/client functions, supports multiple connections, has high-speed throughput transmission capabilities, and has top-notch ultra-low communication power consumption, as well as excellent connection stability, transmission reliability and security. Feitong's powerful and user-friendly firmware is built-in by default, allowing users to send simple AT commands through the serial port to use the Bluetooth function.
- MCU Features:
- 32ARM® Cortex®-M33 processor with a maximum operating frequency of 76.8 MHz
- maximum 512 KB Flash memory and 32 KB RAM
- Secure boot with built-in root of trust and secure loader (RTSL)
- long range radio frequency:
- -106.7dBm Receive Sensitivity @ 125Kbps GFSK
- +6dBm maximum transmit power
- Low system power consumption:
- 3.6mA RX current (1Mbps GFSK)
- 4.1mA TX current @ 0dBm indirect output power
- 27 μA/MHz Active Mode (EM0) Current @ 76.8 MHz
- 1.40μA EM2 Deep Sleep (32KB RAM data is retained, and RTC is based on LFXO.)
- 0.17μA EM4 current
- Supported protocols:
-
- BLE Bluetooth Low Energy (Bluetooth 5.3)
- Arrival angle and launch angle positioning
- 2.4G-specific protocol
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| Product model | FSC-BT3721V |
|---|---|
| wafer | Silicon Labs EFR32BG22 |
| Bluetooth standard | Bluetooth 5.3 (BLE) |
| Transmit power | +6dBm (maximum value) |
| Receive sensitivity | -106.7 dBm (minimum value) |
| protocol | BLE: TO, GATT |
| Certification | SRRC |
| Number of GPIOs | 13 |
| interface | UART, I2C, SPI, ADC, PWM |
| antenna | External Feitong antenna or other antenna |
| Dimensions (mm) | 16.6 × 13.7 × 2.3 |
| working temperature | -40℃ ～ +85℃ |
| storage temperature | -40℃ ～ +125℃ |
| Supply voltage | 1.75～3.8V |
Automotive electronics
Intelligent security
smart city
Documentation