SKB378是一个高度集成的蓝牙5.2模组,可用来在2.4GHz ISM频段内做高速率、远距离无线透传模块。模组基于EFR32BG22蓝牙无线收发芯片,内部集成32位ARM Cotex-M33处理器,主频76.8MHz,同时内置32kB RAM和512kB Flash,支持模拟或者数字外设。
SKB378 提供了超低功耗(TX 4.1mA@0dBm, RX 3.6mA@1Mbps, Sleep current<1.8uA)、高性价比的蓝牙传输和AOA定位应用。
BLE5.2蓝牙模块SKB378应用框图
BLE5.2蓝牙模块SKB378 PCB设计参考
◆ 蓝牙AOA定位基站/信标
◆ 蓝牙5.2无线麦克风
◆ 电脑输入输出外设
鼠标
键盘
多点触控板
◆ 交互式娱乐设备
遥控器
3D眼镜
游戏远程控制器
◆ 个人局域网
健康传感及监控设备
医疗设备
遥控钥匙+手表手环
◆ 遥控玩具
◆ 彩色遥控LED灯
◆ 楼宇自动化
◆ 无线传感器网络
◆ 资产追踪
硬件特性/Hardware Features |
模块/Model | SKB378 |
天线类型/Antenna Type | PCB Antenna/ External Antenna(UF.L IPEX-1) |
芯片/Chip-set Solution | EFR32BG22 |
电压/Voltage | 1.71V~3.8V |
尺寸/Dimension(L×W×H) | 17.4×13.7×1.9 mm |
无线特性/Wireless Features |
无线标准/Wireless Standards | Bluetooth ® 5.2 |
频率范围/Frequency Range | 2400MHz---2483.5MHz |
传输速率/Data Rates | 125kbps,500kbps,1Mbps,2Mbps(Bluetooth ® 5.2) |
250kbps Proprietary |
无线安全/Wireless Security | AES HW Encryption |
发射功率/Transmit Power | -27 to +6dBm(SKB378) |
-28 to 0dBm(SKB378A) |
调制/Modulation | 2(G)FSK with fully configurable shaping |
OQPSK DSSS |
(G)MSK |
接收灵敏度/Receive Sensitivity | -98.9dBm sensitivity @ 1Mbit/s GFSK |
-96.2dBm sensitivity @ 2Mbit/s GFSK |
-106.7dBm sensitivity @ 125kbps GFSK |
Wake-on-RF Level1 | Min -28dBm(Threshold set to -34dBm)2 |
Min -23dBm(Threshold set to -28dBm) |
Min -19dBm(Threshold set to -22dBm) |
工作模式/Work Mode | Central/ Peripheral (Master/ Slave device in BLE connection) |
功耗/Power Consumption |
Default TX | 4.1mA @ 0dBm |
Default RX | 3.6mA (1Mbps GFSK) |
Idle mode | 1.75uA(EM2 DeepSleep current [32kB RAM retention and |
RTC running from Precision LFRCO]) |
其他/Others |
Certification | ROHS |
Environment | Operating Temperature: -40℃~85℃ |
Storage Temperature: -40℃~125℃ |
Operating Humidity: 10%~50% Non-condensing |
Storage Humidity: 5%~90% Non-condensing |
◆ 主控芯片: SILICON LABS EFR32BG22
◆ 蓝牙低功耗5.2协议
◆ 支持蓝牙AoA/AoD到达角、发射角定位
◆ 支持BLE全速率模式 : 125kbps/250kbps/500kbps/1Mbps/2Mbps
◆ 优秀的射频性能: TX Power 6dBm / RX sensitivity -106.7dBm@125kbps GFSK
◆ 极低功耗: TX 4.1mA@0dBm, RX 3.6mA@1Mbps, Sleep current<1.8uA
◆ 4路16位定时器+1路32位RTC定时器+1路24位低功耗波形发生定时器
◆ 12位1M采样率SAR型ADC
◆ 丰富的外设接口 : 2*USART(UART/SPI/SmartCard-ISO7816/IrDA/I2S), 2*I2C, PDM for Digital Microphone, 12*PRS
◆ 硬件加密: AES 128/256,SHA-1,SHA-2,ECC(up to 256bit),ECDSA(up to 256bit) and ECDH
◆ 兼容ROHS(无铅)