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TYJW2S-5V is a Wi-Fi module with 5V TTL UART series port interface designed by Hangzhou Tuya Information Technology Co., Ltd.,. The module consist a Tuya Wi-Fi module and some power level converter circuit, which have been programmed with Wi-Fi network protocol and plenty of software examples.
TYJW2S-5V is a RTOS platform, embedded with all the Wi-Fi MAC and TCP/IP protocol function examples, users can customize their Wi-Fi product by using these software examples.
Figure 1 shows the block diagram of the TYJW2S-5V:
Figure 1 The block diagram of the TYJW2S-5V
Basic frequency can support 80MHz and 160MHz
TYJW2S-5V support 4.5V ~ 5.5V
802.11 b/g/n
Channel 1-14@2.4GHz
Support WPA/WPA2
+20dBm output power in 802.11b mode
Support STA/AP/STA+AP operation mode
Support SmartConfig function for both Android and IOS devices
On-board PCB antenna, or IPEX connect for external antenna
Operating temperature range: -20℃ to 85℃
TYJW2S-5V has an interface of PH-4AW connection port. The distance between each Pin is 2mm. The interface is PH2.04-Y connector.
Size of TYJW2S-5V: 42.6mm(W)*31mm(L)*9.1mm(H)
Figure 2 shows the dimensions of TYJW2S-5V.
Front view Back view
Table 1 shows the general pin attributes of TYJW2S-5V
Table 1 The typical pin definition of TYJW2S-5V
PIN NO. | NAME | TYPE | DESCRIPTION |
---|---|---|---|
1 | RX | I/O | RX port, input 5V TTL |
2 | TX | I/O | TX port, output 5V TTL |
3 | GND | P | Ground |
4 | VCC | P | Supply Voltage 5V |
Note: S: Power supply pins; I/O: Digital input or output pins;
The test point pin definition is shown as table 2:
Table 2 The typical pin definition of TYJW2S-5V
PIN NO. | NAME | TYPE | DESCRIPTION |
---|---|---|---|
5 | 3.3V | P | Internal 3.3V voltage pin |
6 | GND | P | Ground |
7 | BOOT | I/O | IO0 pin, firmware burning selection pin |
8 | TXD1 | I/O | Information print pin |
9 | RXD0 | I/O | Firmware burning pin |
10 | TXD0 | I/O | Firmware burning pin |
11 | RST | I/O | Reset pin |
Note: P: Power supply pins; I/O: Digital input or output pins
If IO0 is unconnected, module in normal working mode; If IO0 is in negative level, module is in firmware burning mode.
RST is used for module hardware reset, can not clear Wi-Fi connection information.
These test point is not recommended for regular usage.
Table 3 Absolute Maximum Ratings
PARAMETERS | DESCRIPTION | MIN | MAX | UNIT |
---|---|---|---|---|
Ts | Storage temperature | -20 | 85 | ℃ |
VCC (TYJW2S-5V) | Supply voltage | -0.3 | 5.5 | V |
VCC (TYJW2S-3.3V) | Supply voltage | -0.3 | 3.6 | V |
Static electricity voltage (human model) | TAMB-25℃ | - | 2 | KV |
Static electricity voltage (machine model) | TAMB-25℃ | - | 0.5 | KV |
Table 4 Electrical Conditions
PARAMETERS | DESCRIPTION | MIN | TYPICAL | MAX | UNIT |
---|---|---|---|---|---|
Ta | Working temperature | -20 | - | 85 | ℃ |
VCC (TYJW2S-5V) | Working voltage | 4.5 | 5 | 5.5 | V |
VCC(TYJW2S-3.3V) | Working voltage | 3.0 | 3.3 | 3.6 | V |
VIL | IO negative level input | -0.3 | - | VCC*0.25 | V |
VIH | IO positive level input | VCC*0.75 | - | VCC | V |
VOL | IO negative level output | - | - | VCC*0.1 | V |
VoH | IO positive level output | VCC*0.8 | - | VCC | V |
Imax | IO drive current | - | - | 5 | mA |
Table 5 Wi-Fi TX current consumption
PARAMETERS | MODE | RATE | TYPICAL | UNIT |
---|---|---|---|---|
IRF | 11b | 11Mbps | 260 | mA |
IRF | 11g | 54Mbps | 100 | mA |
IRF | 11n | MCS7 | 100 | mA |
Table 6 Wi-Fi RX current consumption
PARAMETERS | MODE | RATE | TYPICAL | UNIT |
---|---|---|---|---|
IRF | 11b | 11Mbps | 70 | mA |
IRF | 11g | 54Mbps | 70 | mA |
IRF | 11n | MCS7 | 70 | mA |
Table 7 MCU working current consumption
WORK MODE | AT TA=25℃ | TYPICAL | MAX* | UNIT |
---|---|---|---|---|
EZ Mode | Module is under EZ paring mode, Wi-Fi indicator light flashes quickly | 90 | 436 | mA |
AP Mode | Module is under AP paring mode, Wi-Fi indicator light flashes slowly | 101 | 451 | mA |
Operation Mode | Module is connected, Wi-Fi indicator light is on | 58.5 | 411 | mA |
Disconnection Mode | Modules is disconnected, Wi-Fi indicator light is off | 156 | 430 | mA |
Table 8 Basic Radio frequency characteristic
PARAMETERS | DESCRIPTION |
---|---|
Frequency band | 2.400GHz to 2.4835GHz |
Wi-Fi standard | IEEE 802.11n/g/b (Terminal 1-14) |
Data transmitting rate | 11b:1,2,5.5,11(Mbps),11g:6,9,12,18,24,36,48,54(Mbps),11n:HT20,MCS0~7 |
Antenna type | On-board PCB Antenna (Default),UF.L RF external antenna (optional) |
Table 9 Wi-Fi transmitting power
PARAMETERS | MIN | TYPICAL | MAX | UNIT | |
---|---|---|---|---|---|
RF average output power, 802.11b CCK Mode | 1M | - | 17 | - | dBm |
RF average output power, 802.11g OFDM Mode | 54M | - | 15 | - | dBm |
RF average output power, 802.11n OFDM Mode | MCS7 | - | 13 | - | dBm |
The Frequency error | -10 | - | 10 | ppm |
Table 10 Wi-Fi Receiving sensitivity
PARAMETERS | MIN | TYPICAL | MAX | UNIT | |
---|---|---|---|---|---|
PER<8%, Receiving sensitivity, 802.11b CCK Mode | 1M | - | -91 | - | dBm |
PER<10%, Receiving sensitivity, 802.11g OFDM Mode | 54M | - | -75 | - | dBm |
PER<10%, Receiving sensitivity, 802.11n OFDM Mode | MCS7 | - | -72 | - | dBm |
Antenna can be connected using On-board PCB antenna or an external antenna; the default way is using the On-board PCB antenna. If external antenna needed, please contact BD manager.
While using the On-board PCB antenna, in order to have the best Wi-Fi performance, it’s recommended to keep a minimum 15mm distance between the antenna part and the other metal pieces.
Figure 3 shows the physical parameter of the U.FL RF connector.
Figure 4 Top view of the module
Note: the tolerance of PCB outline boarder is ±0.15mm, the tolerance of PCB thickness is ±0.1mm
The storage for the delivered module should meet the following condition:
Cautions:
Figure 5 Wiring specification parameters
Figure 6 shell parameters
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