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WBR2 是由涂鸦智能开发的一款低功耗嵌入式 Wi-Fi+蓝牙模组。它由一个高集成度的无线射频芯片 W701-VA2-CG 构成,内置了 Wi-Fi 网络协议栈和丰富的库函数。WBR2 还包含低功耗的 KM4 MCU,WLAN MAC,1T1R WLAN,最高主频 100MHz,内置 256K SRAM ,芯片内置 2Mbyte flash 和丰富的外设资源。
WBR2 是一个 RTOS 平台,集成了所有 Wi-Fi MAC 以及 TCP/IP 协议的函数库。用户可以基于这些开发满足自己需求的嵌入式 Wi-Fi 产品。
WBR2 共有 2 排引脚,引脚间距为 2mm。
WBR2 尺寸大小:15±0.35 mm (W)×18 ±0.35mm (L) ×2.9±0.15 mm (H)。WBR2尺寸图如图所示:
接口引脚定义如下表所示:
引脚 | 符号 | I/O类型 | 功能 |
---|---|---|---|
1 | 3V3 | / | 模组电源引脚(3.3V) |
2 | A19 | I/O | GPIOA_19,硬件PWM,IC Pin40 |
3 | GND | P | 电源参考地 |
4 | A18 | I/O | GPIOA_18,硬件PWM,IC Pin39 |
5 | A13 | I/O | GPIOA_13,UART0_RXD(用户串口) |
6 | A17 | I/O | GPIOA_17,硬件PWM,IC Pin38 |
7 | A14 | I/O | GPIOA_14,UART0_TXD(用户串口) |
8 | A20 | I/O | GPIOA_20,通用GPIO,IC Pin1 |
9 | A12 | I/O | GPIOA_12,硬件PWM,IC Pin26 |
10 | EN | I/O | 模组使能引脚,高电平有效,模组已上拉高电平,用户可外部控制该引脚 |
11 | A11 | I/O | GPIOA_11,硬件PWM,IC Pin25 |
说明:P 表示电源引脚,I/O 表示输入输出引脚。
参数 | 描述 | 最小值 | 最大值 | 单位 |
---|---|---|---|---|
Ts | 存储温度 | -40 | 105 | ℃ |
VDD | 供电电压 | -0.3 | 3.6 | V |
静电释放电压(人体模型) | TAMB-25℃ | - | 2 | KV |
静电释放电压(机器模型) | TAMB-25℃ | - | 0.5 | KV |
参数 | 描述 | 最小值 | 典型值 | 最大值 | 单位 |
---|---|---|---|---|---|
Ta | 工作温度 | -20 | - | 85 | ℃ |
VDD | 工作电压 | 3.0 | - | 3.6 | V |
VIL | IO低电平输入 | - | - | 0.8 | V |
VIH | IO高电平输入 | 2.0 | - | - | V |
VOL | IO低电平输出 | - | - | 0.4 | V |
VOH | IO高电平输出 | 2.4 | - | - | V |
Imax | IO驱动电流 | - | - | 16 | mA |
Cpad | 输入引脚电容 | - | 2 | - | pF |
TX 连续发送时功耗:
|符号|模式|功率|平均值|峰值(典型值)|单位|
|-|-|-|-|-|-|-|
|IRF |11b 11Mbps| 17dBm| 217| 268| mA
IRF |11b 11Mbps| 18dBm| 231 |283| mA
IRF |11g 54Mbps |15dBm| 159| 188 |mA
IRF| 11g 54Mbps| 17.5dBm| 177| 213| mA
IRF| 11n BW20 MCS7 |13dBm| 145| 167 |mA
IRF |11n BW20 MCS7 |16.5dBm| 165 |193 |mA
RX 连续接收时功耗:
符号 | 模式 | 平均值 | 峰值(典型值) | 单位 |
---|---|---|---|---|
IRF | 11B 11M | 63 | 65 | mA |
IRF | 11G 54M | 65 | 67 | mA |
IRF | 11N HT20 MCS7 | 65 | 67 | mA |
工作模式 | 工作状态,TA=25℃ | 平均值 | 峰值(典型值) | 单位 |
---|---|---|---|---|
快连配网状态(蓝牙配网) | 模组处于快连配网状态,WIFI 指示灯快闪 | 61 | 272 | mA |
快连配网状态(AP配网) | 模组处于热点配网状态,WiFi 指示灯慢闪 | 59 | 272 | mA |
快连配网状态(AP配网) | 模组处于快连配网状态,WIFI 指示灯快闪 | 62 | 280 | mA |
网络连接空闲状态 | 模组处于联网工作状态,WiFi 指示灯常亮 | 51 | 260 | mA |
网络连接操作状态 | 模组处于联网工作状态,WiFi 指示灯常亮 | 59 | 268 | mA |
弱网连接状态 | 模组和热点处于弱网连接状态,WiFi 指示灯常亮 | 62 | 264 | mA |
网络断连状态 | 模组处于断网工作状态,WiFi 指示灯常灭 | 57 | 268 | mA |
模组Disable状态 | 模组处于EN拉低状态 | 1.5 | 1.6 | mA |
参数项 | 详细说明 |
---|---|
频率范围 | 2.400~2.4835GHz |
Wi-Fi标准 | IEEE 802.11b/g/n(通道 1-14) |
蓝牙标准 | 蓝牙4.2 |
数据传输速率 | 11b:1,2,5.5, 11 (Mbps) |
数据传输速率 | 11g:6,9,12,18,24,36,48,54(Mbps) |
数据传输速率 | 11n:HT20 MCS0~7 |
天线类型 | PCB 天线,天线增益2.5dBi |
TX连续发送性能:
参数项 | 最小值 | 典型值 | 最大值 | 单位 |
---|---|---|---|---|
RF平均输出功率,802.11b CCK Mode 1M | - | 17.5 | - | dBm |
RF平均输出功率,802.11g OFDM Mode 54M | - | 14.5 | - | dBm |
RF平均输出功率,802.11n OFDM Mode MCS7 | - | 13.5 | - | dBm |
RF平均输出功率,蓝牙 4.2 1M | - | 6.5 | - | dBm |
频率误差 | -20 | - | 20 | ppm |
EVM@802.11b CCK 11Mbps Mode 17.5dBm | - | - | -10 | dB |
EVM@802.11g OFDM 54Mbps Mode 14.5dBm | - | - | -29 | dB |
EVM@802.11n OFDM MCS7 Mode 13.5dBm | - | - | -30 | dB |
接收性能:
参数项 | 最小值 | 典型值 | 最大值 | 单位 |
---|---|---|---|---|
PER<8%,RX灵敏度,802.11b CCK Mode 1M | - | -97 | - | dBm |
PER<10%,RX灵敏度,802.11g OFDM Mode 54M | - | -75 | - | dBm |
PER<10%,RX灵敏度,802.11n OFDM Mode MCS7 | - | -72 | - | dBm |
PER<10%,RX灵敏度,蓝牙 4.2 1M | - | -93 | - | dBm |
只有 PCB 板载天线接入方式,天线增益 2.5dBi。
在 Wi-Fi 模组上使用 PCB 板载天线时,为确保 Wi-Fi 性能的最优化,建议模组天线部分和其他金属件距离至少在 15mm 以上。
WBR2的PCB机械尺寸大小:15±0.35 mm (W)×18 ±0.35mm (L) ×0.8±0.1 mm (H)。WBR2的机械尺寸如下图所示。
说明:默认的尺寸公差为 ± 0.35mm,关键尺寸如果客户有明确要求,请沟通后在规格书中进行明确的标定。
下图为 WBR2 原理图引脚对应图
下图为 WBR2 PCB 封装图
请参考波峰焊接炉温建议进行炉温设定,峰值温度260℃±5℃,波峰焊接温度曲线如下图所示:
焊接温度建议:
波峰焊接炉温曲线建议 | 手工焊接温度建议 | ||
---|---|---|---|
预热温度 | 80-130℃ | 焊接温度 | 360℃±20℃ |
预热时间 | 75-100S | 焊接时间 | 小于3S/点 |
波峰接触时间 | 3-5S | NA | NA |
锡缸温度 | 260±5℃ | NA | NA |
升温斜率 | ≤2℃/S | NA | NA |
降温斜率 | ≤6℃/S | NA | NA |
涂鸦出厂的模组存储条件如下:
防潮袋真空包装储存在温度<40℃、湿度<90%RH的环境中。
干燥包装的产品,保质期为从包装密封之日起12个月的时间。
密封包装内装有湿度指示卡:
产品型号 | MOQ(pcs) | 出货包装方式 | 每个卷盘存放模组数 | 每箱包装卷盘数 |
---|---|---|---|---|
WBR2 | 4400 | 载带卷盘 | 1100 | 4 |
FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate this equipment.
This device complies with Part 15 of the FCC Rules.Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules.These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
Radiation Exposure Statement
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled rolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body.
Important Note
This radio module must not installed to co-locate and operating simultaneously with other radios in host system except in accordance with FCC multi-transmitter product procedures. Additional testing and equipment authorization may be required to operating simultaneously with other radio.
The availability of some specific channels and/or operational frequency bands are country dependent and are firmware programmed at the factory to match the intended destination. The firmware setting is not accessible by the end user.
The host product manufacturer is responsible for compliance to any other FCC rules that apply to the host not covered by the modular transmitter grant of certification. The final host product still requires Part 15 Subpart B compliance testing with the modular transmitter installed.
The end user manual shall include all required regulatory information/warning as shown in this manual, including: This product must be installed and operated with a minimum distance of 20 cm between the radiator and user body.
This device have got a FCC ID:2ANDL-WBR2.The final end product must be labeled in a visible area with the following: “Contains Transmitter Module FCC ID: 2ANDL-WBR2”
This device is intended only for OEM integrators under the following conditions:
As long as 2 conditions above are met, further transmitter test will not be required. However, the OEM integrator is still responsible for testing their end-product for any additional compliance requirements required with this module installed.
Declaration of Conformity European notice
Hereby, Hangzhou Tuya Information Technology Co., Ltd declares that this module product is in compliance with essential requirements and other relevant provisions of Directive 2014/53/EU,2011/65/EU.A copy of the Declaration of conformity can be found at https://www.tuya.com
This product must not be disposed of as normal household waste, in accordance with EU directive for waste electrical and electronic equipment (WEEE- 2012/19/EU). Instead, it should be disposed of by returning it to the point of sale, or to a municipal recycling collection point.
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