更新时间:2024-06-14 08:07:40下载pdf
BT2L-A 是由涂鸦智能开发的一款低功耗嵌入式的蓝牙模块。它主要由一个高集成度的蓝牙芯片 TLSR8253F512AT32 和少量的外围电路构成,内置了蓝牙网络通信协议栈和丰富的库函数。BT2L-A 还包含低功耗的 32 位 MCU、蓝牙5.0/2.4G Radio、4Mbits flash、48Kbyte SRAM 和 5 个可复用的 IO 口。
BT2L-A 共有 1 排引脚,引脚间距 2mm。
BT2L-A 尺寸大小:15±0.35mm (W)×17.4±0.35mm (L) ×2.8±0.15mm(H),其中 PCB 厚度 0.8mm±0.1 mm,如图所示:
接口引脚定义如下表所示:
序号 | 符号 | IO 类型 | 功能 |
---|---|---|---|
1 | B5 | I/O | 普通 IO 口,可做 LED 的驱动 PWM 输出,对应 IC 的 PB<5> |
2 | C2 | I/O | 普通 IO 口,可做 LED 的驱动 PWM 输出,对应 IC 的 PC<2> |
3 | D2 | I/O | 普通 IO 口,可做 LED 的驱动 PWM 输出,对应 IC 的 PD<2> |
4 | B4 | I/O | 普通 IO 口,可做 LED 的驱动 PWM 输出,对应 IC 的 PB<4> |
5 | C3 | I/O | 普通 IO 口,可做 LED 的驱动 PWM 输出,对应 IC 的 PC<3> |
6 | GND | P | 电源参考地 |
7 | 3V3 | P | 模块电源引脚 |
说明:
P
表示电源引脚,I/O 表示输入输出引脚。- 如对 PWM 输出控制的灯色有自己的需求,请与我司商务联系。
参数 | 描述 | 最小值 | 最大值 | 单位 |
---|---|---|---|---|
Ts | 存储温度 | -65 | 150 | ℃ |
VCC | 供电电压 | -0.3 | 3.9 | 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 | -40 | - | 105 | ℃ |
VCC | 工作电压 | 3.0 | 3.3 | 3.6 | V |
VIL | IO 低电平输入 | VSS | - | VCC*0.3 | V |
VIH | IO 高电平输入 | VCC*0.7 | - | VCC | V |
VOL | IO 低电平输出 | VSS | - | VCC*0.1 | V |
VOH | IO 高电平输出 | VCC*0.9 | - | VCC | V |
符号 | 条件 | 最大值(典型值) | 单位 |
---|---|---|---|
Itx | 连续发送,11.5dBm输出功率 | 22.6 | mA |
Irx | 连续接收 | 6.5 | mA |
IDC | Mesh 联网工作状态下 Average 值 | 6.59 | mA |
IDC | Mesh 联网工作状态下 Peak 值 | 24.9 | mA |
Ideepsleep1 | 深度休眠模式(保留16KBRAM) | 1.2 | μA |
Ideepsleep2 | 深度休眠模式(不保留RAM) | 0.4 | μA |
参数项 | 详细说明 |
---|---|
工作频率 | 2.4GHz ISM band |
无线标准 | 蓝牙 4.2/5.0 |
数据传输速率 | 1Mbps, 2Mbps |
天线类型 | 板载 PCB 天线 |
参数项 | 最小值 | 典型值 | 最大值 | 单位 |
---|---|---|---|---|
RF 平均输出功率 | -21 | 10 | 11.5 | dBm |
20dB 调制信号带宽(1M) | - | 2500 | - | KHz |
参数项 | 最小值 | 典型值 | 最大值 | 单位 |
---|---|---|---|---|
RX 灵敏度 1Mbps | - | -94.5 | - | dBm |
频率偏移误差 1Mbps | -250 | - | +300 | KHz |
同信道干扰抑制 | - | - | -10 | dB |
BT2L-A 使用的是板载 PCB 天线,天线增益 0.89dBi。
为确保 RF 性能的最优化,建议模块天线部分和其他金属件的距离至少保持 15mm 以上。如果使用环境的天线周边包裹金属材料等,会极大地衰减无线信号,进而恶化射频性能。成品设计时,注意给天线区域预留出足够的空间。
说明:默认的模组外形尺寸公差为 ±0.35 mm,关键尺寸公差 ±0.1 mm。
请根据回流焊曲线图进行 SMT 贴片,峰值温度 245℃。以 SAC305 合金焊膏为例,回流焊温度曲线如下图所示:
曲线图示图标说明:
A:温度轴
B:时间轴
C:合金液相线温度:217-220℃
D:升温斜率:1-3℃/s
E:恒温时间:60-120s,恒温温度:150-200℃
F:液相线以上时间:50-70s
G:峰值温度:235-245℃
H:降温斜率:1-4℃/s
说明:以上推荐曲线以 SAC305 合金焊膏为例。其他合金焊膏请按焊膏规格书推荐炉温曲线设置。
产品型号 | MOQ(pcs) | 出货包装方式 | 每盘数量 | 每箱包装卷盘数(盘) |
---|---|---|---|---|
BT2L-A | 4000 | 载带卷盘 | 1000 | 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 complyAppth 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-BT2L-A.The final end product must be labeled in a viApple area with the following: “Contains Transmitter Module FCC ID: 2ANDL-BT2L-A”
This device is intended only for OEM integrators under the following conditions:
1)The antenna must be installed such that 20cm is maintained between the antenna and users, and
2) The transmitter module may not be co-located with any other transmitter or antenna.
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.
The device could be used with a separation distance of 20cm to the human body.
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