DATASHEET
TuyaSmartWi-Fi Module
1. Product Overview
TYAUX_J is a low power consumption module with built-in Wi-Fi connectivity
solution designed by Hangzhou Tuya Information Technology Co., Ltd. for serial
communication between 12V level and 3.3V level. The Wi-Fi Module consists of a highly
integrated wireless radio chip W302 I119UP1 and some extra flash that has been programed
with Wi-Fi network protocol and plenty of software examples. TYAUX_J in clude a ARM
CM4F, WLAN MAC, 1T1R WLAN, maximum frequency reaches 125MHz, 256K SRAM,
2M byte flash and various peripheral resources.
TYAUX_J is a
function examples, users can customize their Wi-Fi product by using these software examples.
RTOS platform, embedded with all the Wi-Fi MAC and TCP/IP protocol
1.1 Features
Integrated low power consumption 32-bit CPU, also known as application processor
Basic frequency of the CPU can support 125 MHz
Supply voltage range: 12V
Peripherals: 1 UART
Wi-Fi connectivity:
802.11 B/G/N20/N40
Channel 1 to 11 @ 2.4GHz
Support WPA/WPA2
Support Smart Config function for both Android and IOS d
Pass CE, FCC, SRRC certifications
Operating temperature range: -20℃ to 85℃
evices
1.2 Main ApplicationFields
Intelligent Building
Intelligent home, Intelligent household applications
Healthy devices
Industrial wireless control
Baby monitor
Webcam
Intelligent bus
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2. Dimensions an d F oot pr in t
2.1Dimensions
TYAUX_J has 2 columns of Pins (2*7).The distance between each Pin is 2 mm.
Size of TYAUX_J: 19.5mm(W)*35.5mm(L)*3.5mm(H)
Figure 2.1 shows the dimensions of TYAUX_J.
Figure 2.1. The dimensions of TYAUX_J
2.2 Pin Definition
Table 1 shows the general pin attributes of TYAUX_J
Table 1. The typical pin definition of TYAUX_J
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1
GND
P
4
TX
I/O
UART0_TXD
PIN
NAME TYPE DISCREPTION
NO.
Ground
5 RX I/O UART0_RXD
12 VIN P
No
te: P: Power supply pins; I/O: Digital input or output pins;
Module 12V power input pin
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3. Electrical Characteristics
3.1 Absolute Maximum Ratings
Table 3.1. Absolute Maximum Ratings
PARAMETERS DESCRIPTION MIN MAX UNIT
Ts Storage temperature -40 125
VCC Supply voltage -0.3 18 V
Static electricity voltage
TAMB -25℃
- 2 KV
(human model)
Static electricity voltage
TAMB -25℃
- 0.5 KV
(machine model)
3.2 Electrical Conditions
Table 3.2. Electrical Conditions
PARAMETERS DESCRIPTION MIN TYPICAL MAX UNIT
Ta Working temperature -20 - 85
VIN Working voltage 4.5 - 18 V
VIL IO low level input -0.3 -
VIH IO high level input 2.47 - 3.6 V
VOL IO low level output - - 0.34 V
VoH IO high level output 2.64 - 3.4 V
Imax IO drive current - - 16 mA
Cpad Input capacitor - 2 - pF
0.8
℃
℃
V
3.3 Wi-Fi Transmitting Current Consumptions
Table 3.3. Wi-Fi TX current consumption
PARA M ETER S MODE RATE Transmittingpower TYPICAL UNIT
IRF 11b 1Mbps
IRF 11g 6Mbp
IRF
IRF
n-HT20
11
11n-HT40
MCS0
MCS0 +21.03dBm 220
s
+21.89dBm
+22.15dBm
+21.27dBm
287 mA
255 mA
244 mA
mA
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℃
3.4 Wi-Fi Receiving Current Consumptions
Table 3.4. Wi-Fi RX currentcon sumption
PARAMETERS MODE TYPICAL UNIT
IRF CPU sleep 90 mA
IRF CPU active 120 mA
3.5 Working Mode Current Consumptions
Table 3.5. The module working currentcon sumption
WORK MODE
AT TA=2 5
TYPICAL MAX* UNIT
EZ Mode TYAUX_J is under EZ paring mode, Wi-
Fi indicator light flashes quickly
Standby Mode TYAUX_J is connected, Wi-Fi indicator light is on 60 209 mA
Operation Mode TYAUX_J is connected, Wi-Fi indicator light is on 118 198 mA
Disconnection
Mode
Note: peak continuous time is about 5us.
The parameter shown above will vary depending on different firmware functions.
TYAUX_J is disconnected, Wi-Fi indicator light
is off
115 125 mA
34 192 mA
4. WLAN Radio Specification
4.1 Basic Radio Frequency Characteristics
Table 41.Basic Radio frequency characteristics
PARAMETERS DESCRIPTION
Frequency band 2.412GHz to 2.462GHz
Wi-Fi standard IEEE 802.11n/g/b (Terminal 1-11)
Data transmitting rate 11b:1,2,5.5,11(Mbps)
11g:6,9,12,18,24,36,48,54(Mbps)
11n:HT20,MCS0~7
11n:HT40,MCS0~7
Antenna type On-board PCB Antenna
4.2Wi-Fi Receiving Sensitivity
Table 4.2. Wi-Fi Receiving sensitivity
PARAMETERS MIN TYPICAL MAX UNI
T
PER<8%, Receiving sensitivity, 802.11b CCK Mode 11M - -91 - dBm
PER<10%, Receiving sensitivity, 802.11g OFDM Mode 54M - -75 - dBm
PER<10%, Receiving sensitivity, 802.11n OFDM Mode MCS7 - -72 - dBm
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5. Antenna Inf or m at ion
5.1 Antenna T y pe
Antenna can be connected using On-board PCB antenna.
5.2 Reduce Antenna Interference
While using the On-board PCB antenna, in order to have the best Wi-Fi performance,
it’s recommended to keep a minimum15mm distance between the antenna part and the other
metal pieces.
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6. Packaging Information And Production Guide
6.1 Mechanical Dimensions
Figure 6.1. Top view of the module
6.2 Production Guide
The storage for the delivered module should meet the following condition:
1.
The anti-moisture bag should be kept in the environment with temperature< 30℃
humidity< 85% RH.
2. The e
Cautions:
1. All the operators should wear electrostatic ringin the whole process of production.
2. While operating, water and dirt should not have any contact with the modules.
xpiration date is 6 months since the dry packaging products was sealed.
6.3 Recommended furnace temperature curve
Figure 6.4. PCB Package Drawing Recommended furnace temperature curve
and
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FCC Statement
Any Changes or modifications not expressly approved by the party responsible
for compliance could void the user’s authority to operate the 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.
FCC Radiation Exposure Statement:
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled
environment .This equipment should be installed and operated with minimum distance 20cm between
the radiator& your body.
FCC Label Instructions:
The outside of final products that contains this module device must display a label referring to the
enclosed module. This exterior label can use wording such as: “Contains Transmitter Module
FCC ID: 2ANDL-TYAUXJ”,or “Contains FCC ID: 2ANDL-TYAUXJ”,
Any similar wording that expresses the same meaning may be used.
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