Hangzhou Tuya Information Technology TYAUXJ Wi-Fi Module User Manual

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Document ID	4192647
Application ID	h0UqLbUYeembVvh7Iv38og==
Document Description	User Manual
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Document Type	User Manual
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Date Submitted	2019-03-06 00:00:00
Date Available	2019-03-06 00:00:00
Creation Date	2019-03-01 17:18:58
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Document Lastmod	2019-03-06 14:53:02
Document Title	User Manual
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Document Author:	AutoBVT

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 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.
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 devices
Pass CE, FCC, SRRC certifications
Operating temperature range: -20℃ to 85℃
1.2 Main ApplicationFields







Intelligent Building
Intelligent home, Intelligent household applications
Healthy devices
Industrial wireless control
Baby monitor
Webcam
Intelligent bus
DATASHEET
2. Dimensions and Footprint
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
DATASHEET
PIN
NO.
NAME
TYPE
DISCREPTION
Ground
GND
TX
I/O
UART0_TXD
RX
I/O
UART0_RXD
12
VIN
Module 12V power input pin
Note: P: Power supply pins; I/O: Digital input or output pins;
DATASHEET
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
℃
Static electricity voltage
(human model)
TAMB-25℃
KV
Static electricity voltage
(machine model)
TAMB-25℃
0.5
KV
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
℃
VIL
IO low level input
-0.3
0.8
VIH
IO high level input
2.47
3.6
VOL
IO low level output
0.34
VoH
IO high level output
2.64
3.4
Imax
IO drive current
16
mA
Cpad
Input capacitor
pF
3.3 Wi-Fi Transmitting Current Consumptions
Table 3.3. Wi-Fi TX current consumption
PARAMETERS
MODE
RATE
Transmitting power
TYPICAL
UNIT
IRF
11b
1Mbps
+21.89dBm
287
mA
IRF
11g
6Mbps
+22.15dBm
255
mA
IRF
IRF
11n-HT20
MCS0
MCS0
+21.27dBm
+21.03dBm
244
220
mA
mA
11n-HT40
DATASHEET
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=25℃
TYPICAL
MAX*
UNIT
EZ Mode
TYAUX_J is under EZ paring mode, WiFi indicator light flashes quickly
115
125
mA
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
TYAUX_J is disconnected, Wi-Fi indicator light
is off
192
mA
34
Note: peak continuous time is about 5us.
The parameter shown above will vary depending on different firmware functions.
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
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
DATASHEET
5. Antenna Information
5.1 Antenna Type
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.
DATASHEET
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℃ and
humidity< 85% RH.
2. The expiration date is 6 months since the dry packaging products was sealed.
 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.
6.3 Recommended furnace temperature curve
Figure 6.4. PCB Package Drawing Recommended furnace temperature curve
DATASHEET
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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