Introduction to WiFi Module--TYLC5

WiFi module introduction–TYLC5

​ TYLC5 is a low-power embedded Wi-Fi module developed by Hangzhou Tuya Information Technology Co., Ltd. It consists of a highly integrated wireless radio frequency chip, ESP8285, and a few peripheral devices. It also has a built-in Wi-Fi network protocol stack and abundant library functions. TYLC5 embeds a low-power 32-bit CPU, 1Mbyte of flash memory, 50KB of SRAM and a wealth of peripheral resources.

​ As an RTOS platform, TYLC5 integrates all the function libraries of the Wi-Fi MAC and the TCP/IP protocol. Based on these function libraries, users can develop different embedded Wi-Fi products to meet their own needs.

​ The functional schematic diagram of TYLC5 is shown in Figure 1.

1.1 Features

  • The built-in low-power 32-bit CPU doubles as an application processor.

    ​ The basic frequency of the CPU supports 80MHz and 160MHz.

  • Working voltage: 3.0V-3.6V

  • Peripheral:3×GPIOs, 1×UART

  • Wi-Fi connectivity:

​ 802.11 b/g/n

​ Channel:1-14@2.4GHz

​ Supporting the security mode of WPA/WPA2

​ Under the mode of 802.11b, the maximum output power: +20dBm

​ Supporting the operating mode of STA/AP/STA+AP

​ Supporting both Smart Config and AP network distribution methods (including Android and IOS devices)

​ Soldering external PCB antennas

​ Operating temperature: -20 ℃ to 125 ℃

1.2 Main Application Areas

  • Intelligent building
  • Smart home/ home appliances
  • Smart socket, smart LED
  • Industrial wireless control
  • Baby monitor
  • Webcam
  • Smart bus

1.3 Module picture


​ Front picture

​ Negative picture

2. Module Interface

2.1 Scale Package

​ TYLC5 has 2 rows of pins with the pin pitch being 2mm.

​ The size of TYLC5: 8.5mm (W)×13.5mm (L) ×3mm (H). The dimensions of TYLC5 is shown in Figure2.

2.2 Pin Definition

​ The definition of the interface pins is shown in Table 1.

​ Table 1 Description of TYLC5’s Interface Pin Arrangement

Pin No. Symbol IO Type Function
1 ANT - RF antenna port, spot to solder external antennas
2 GND P Power reference point
3 GPIO12 I/O GPIO_12
4 GPIO14 I/O GPIO_14
6 VCC P Power pin of the module(3.3V)

​ Note: “P” represents the power pin, “I/O” represents the input and output pin.

2.3 Definition of the Test Points

​ The definition of the test pins is shown in Table 2.

​ Table 2 Description of TYLC5’s Test Pin Arrangement

Pin No. Symbol IO Type Function
- TP1 Rst Hardware reset pin; Cannot clear the distribution network information of Wi-Fi.
- TP 2 I/O GPIO0;Testing the module production.
- TP3 U0TXD User serial port; Information output from the serial port can be used for testing the module production.
- TP4 U0RXD User serial port; Information output from the serial port can be used for testing the module production.

3. Electrical Parameters

3.1 Absolute Electrical Parameters

​ Table 3 Absolute Parameters

Parameter Description Min M****ax Unit
Ts Storage temperature -20 85
VCC Supply voltage -0.3 3.6 V
Electrostatic discharge voltage(Human body model) TAMB-25℃ - 2 KV
Electrostatic discharge voltage(Machine model) TAMB-25℃ - 0.5 KV

3.2 Operating Conditions

​ Table 4 Conditions for Normal Operating

Parameter Description Min Typical M****ax Unit
Ta Operating temperature -20 - 125
VCC Operating voltage 3.0 3.3 3.6 V
VIL IO low-level input -0.3 - VCC*0.25 V
VIH IO high-level input VCC*0.75 - VCC V
VOL IO low-level input - - VCC*0.1 V
VoH IO high-level input VCC*0.8 - VCC V
Imax IO drive current - - 12 mA

3.3 Power Consumption of Wi-Fi Transmission

​ Table 5 Power Consumption of Continuous TX Transmission

Symbol Parameter Typical Unit
Mode Rate Transmit power
IRF 11b 11Mbps +17dBm 220 mA
IRF 11g 54Mbps +15dBm 110 mA
IRF 11n MCS7 +13dBm 100 mA

3.4 Power Consumption of Wi-Fi Reception

​ Table 6 Power Consumption of Continuous RX Reception

Symbol Mode Rate Typical Unit
IRF 11b 11Mbps 76 mA
IRF 11g 54Mbps 76 mA
IRF 11n MCS7 76 mA

3.5 Power Consumption in the Working Mode

​ Table 7 Working Current of TYLC5

Working Mode Working State,Ta=25℃ Average Max Unit
Easy mode WIFI indicator flashes quickly. 80 151 mA
Hotspot mode WIFI indicator flashes slowly. 90 451 mA
Network connection WIFI indicator is always on. 58.5 411 mA
Network disconnection WIFI indicator is always off. 80 430 mA

4. Characteristics of Radio Frequency

4.1 Basic Characteristics of Radio Frequency

​ Table 8 Basic Characteristics of Radio Frequency

Parameter Description
Working frequency 2.412~2.484GHz
Wi-Fi standard IEEE 802.11b/g/n(Channel 1-14)
Rate of data transmission 11b:1,2,5.5, 11 (Mbps) 11g:6,9,12,18,24,36,48,54(Mbps) 11n:HT20 MCS0~7
Type of antenna External antenna soldered

4.2 Output Power of Wi-Fi

​ Table 9 Power of Continuous TX Transmission

Parameter Min Typical Max Unit
Average output power of RF,802.11b CCK Mode 1M - 20 - dBm
Average output power of RF,802.11g OFDM Mode 54M - 17 - dBm
Average output power of RF,802.11n OFDM Mode MCS7 - 14 - dBm
Frequency error - -10 - 10 ppm

4.3 Sensitivity of Receiving Wi-Fi

​ Table 10 RX Sensitivity

Parameter Min Typical Max Unit
PER<8%,RX Sensitivity,802.11b CCK Mode 1M - -91 - dBm
PER<10%,RX Sensitivity,802.11g OFDM Mode 54M - -75 - dBm
PER<10%,RX Sensitivity,802.11n OFDM Mode MCS7 - -72 - dBm

5. Information of Antennas

5.1 Type of Antennas

They are external antennas soldered to the ANT pad of the module.

5.2 Reducing Antenna Interference

​ When an external antenna is soldered to the Wi-Fi module, to optimize the Wi-Fi performance, it is recommended that the distance between the antenna part and the other metal parts be at least 10 mm.

6. Packaging Information andProduction Guide

6.1 Mechanical Dimensions

6.3 Production Guide

  • The storage conditions of the module manufactured are as follows:

1.The moisture barrier bag must be stored in an environment with a temperature <30 ° C and a humidity <85% RH.

2.Dry-packaged products should have a shelf life of 6 months from the date when the package is sealed.

  • Precautions:

1.Every operator must wear an electrostatic ring in the whole process of production.

2.When operating, operators must prevent the module from getting wet or dirty.