TYBT3 DATASHEET Tuya Smart BLE Module 1. Product Overview TYBT3 is a Bluetooth (BLE) module designed by Hangzhou Tuya Information Technology Co., Ltd. The BLE Module consists of a highly integrated wireless Bluetooth chip TLSR8267 and some extra electric circuits that have been programed with Bluetooth network protocol and plenty of software examples.TYBT3 include a 32-bit CPU, BLE, 512K byte flash, 16k SRAM, and 9 multiplex IO pins. Figure 1 shows the block diagram of the TYBT3. Figure 1. The block diagram of the TYBT3 3.3V input IO interface I2C UART PWM BLE MCU FREQ 48MHz FLASH 512K SRAM 16K Bytes BLE 12M Crystal PCB on-board antenna 1.1 Features Integrated low power consumption 32-bit CPU, also known as application processor Basic frequency of the CPU can support 48 MHz Supply voltage range: 1.9V to 3.6V Peripherals: 5*PWM,1*I2C, 1*UART BLE RF features:
Compatible with BLE 4.2 Transmitting data rate can go up to 1Mbps TX transmitting power: +6.06dBm RX receiving sensitivity: -92dBm AES hardware encryption On-board PCB antenna TYBT3 DATASHEET Operating temperature range: -20 to 85 1.2 Main Application Fields Intelligent LED Intelligent household applications Intelligent low-power consumption sensors TYBT3 DATASHEET 2. Dimensions and Footprint 2.1Dimensions TYBT3 have double sides of pins. The distance between each Pin is 2.0mm. Size of TYBT3: 15mm(W)*16.5mm(L). Figure 2 shows the dimensions of TYBT3. Figure 2. The dimensions of TYBT3 2.2 Pin Definition Table 1 shows the general pin attributes of TYBT3 Table 1. The typical pin definition of TYBT3 PIN NO. NAME TYP E I/O I/O I/O DESCRIPTION I2C, data interface,internal pull-up 4.7k resistance I2C, clock interface, internal pull-up 4.7k resistance normal IO pin, can be used as PWM output pin, default for Green LED line SDA SCL G B I/O normal IO pin, can be used as PWM output pin, default for Blue LED line WW I/O normal IO pin, can be used as PWM output pin, default for Warm White LED line CW I/O normal IO pin, can be used as PWM output pin, default for Cold White LED line R I/O normal IO pin, can be used as PWM output pin, default for Red 3.3V P LED line Supply voltage 1 2 3 4 5 6 7 8 TYBT3 DATASHEET 9 10 11 12 13 14 TX RX GND SW RST GND I/O I/O P I/O I P UART TX,can be used as normal IO pin UART RX,can be used as normal IO pin Ground Bluetooth chipset burning pin reset pin for the module,internal pull-up 4.7k resistance Ground Note: P: Power supply pins; I/O: Digital input or output pins. SW pin is ONLY used for burning firmware, Can NOT be used for other functions. There are 4.7 pull-up resistance internally for I2C pins, external pull-up resistances are not necessary. When WW pin is outputting PWM signal, It has opposite phase comparing the PWM signal from R/G/B/CW pin. If theres any customization needed for PWM output, please contact our BD manager. TYBT3 DATASHEET 3. Electrical Characteristics 3.1 Absolute Maximum Ratings Table 2. Absolute Maximum Ratings PARAMETERS Ts VCC Electrostatic release quantity
(Human body model) DESCRIPTION Storage temperature Supply voltage TAMB-25 Electrostatic release quantity TAMB-25
(Machine model) MIN
-20
-0.3
-
-
MAX 85 3.9 2 0.5 UNIT V KV KV 3.2 Electrical Conditions PARAMETERS DESCRIPTION MIN Table 3. Electrical Conditions Ta VCC VIL VIH VOL VoH Temperature for Commercial grade Supply voltage IO negative level input
-20 1.9
-0.3 IO positive level input VCC*0.7 IO negative level output IO positive level output VSS VCC-0.3 TYPIC AL
-
3.3
-
-
-
-
MAX UNIT 85 3.6 VCC*0.3 V V VCC 0.3 VCC V V V 3.3Transmitting Current Consumptions PARAMETERS MODE Table 4. TX current consumption Itx Irx IDC Ideepsleep Continuously transmitting, 0dBm power output Continuously receiving Normal working mode Sleep mode TYPICAL 15 12 27 18 UNIT mA mA mA uA TYBT3 DATASHEET 4. Radio Specification 4.1 Basic Radio Frequency Characteristics PARAMETERS Table 5.Basic Radio frequency characteristics DESCRIPTION Working Frequency Radio standard Data transmitting rate Type of Antenna 2.4GHz ISM band BLE 4.2 1Mbps On-board PCB Antenna 4.2Transmitting Power PARAMETERS RF Average output power consumption 5.46 4.3Receiving Sensitivity MIN Table 6. Transmitting power TYPICAL MAX 5.70 6.06 UNIT dBm Table 7. Receiving sensitivity PARAMETERS 1Mbps MIN
-93 RX sensitivity TYPICAL MAX UNIT
-92
-90 dBm Frequency bias error 1Mbps
-300
-
+300 KHz Co-channel interference Restrain
-
-
-7
-
dB TYBT3 DATASHEET 5. Antenna Information Antenna Information 5.1 Antenna Type Antenna for TYBT3 modulodule is using 2.4 GHz MIFA On-board PCB antenna. e is m 5.2 Reduce Antenna Interference nterference In order to have the best RF performance, its recommended to keep a minimum n order to have the between the ante 15mm distance between the antenna nna pa part and the other metal pieces. rt and the other metal pieces. to keep st Since PCBA manufacture use A manufacture use SMT process to weld TYBT3 module and other electrical weld TYBT3 module and other electrical components onto the PCB board, RF performance will depend on the layout location and patt components onto the PCB board, RF performance will depend on the layout location and pattern components onto the PCB board, RF performance will depend on the layout location and patt the On-board PCB antenna. The following figures are some board PCB antenna. The following figures are some recommended and of board PCB antenna. The following figures are some recommended and recommended and dis-recommended demonstrations from out R&D team. demonstrations from out R&D team. In demonstration 1 and 2 of figure 3, the on 1 and 2 of figure 3, the on-board PCB antenna lays outside outside of the PCB Its recommended to use layout pattern shown in demonstration 1 and 2. Either the 1 and 2. Either the outside of the PCB frame directly or PCB frame car carve out a certain overall PCBA performance for these two ways will be the same as for these two ways will be the same as frame. Its recommended to use layout pattern shown in on-board PCB antenna lays outside of the PCB frame directly or PCB frame area for the antenna. The overall PCBA testing the module independently. testing the module independently. frame, its suggested to refer to demonstration 3. copperor wire beneath the antenna. Restricted due to some reason, if the on-board PCB antenna layout has to be inside the PCB Restricted due to some reason, i ut has to be inside the PCB enna lays inside the PCB frame, but no the antenna. RF performance will have some loss, approximately 1~2 dBm. RF performance will have some loss, approximately 1~2 dBm. Its NOT recommended to use demonstra Its NOT recommended to use demonstration 4, the antenna lays inside the PCB frame, and lays inside the PCB frame, and er to demonstration 3. The antenna lays inside the PCB frame, there are copper and wire beneath it. RF performance will have there are copper and wire beneath it. RF performance will have Figure 3.layout demostrations significant attenuanuation. tion atte Demonstration 1: Antenna lay outside the Demonstration 1: Antenna lay outside the Demonstration 2: Antenna lay Demonstration 2: Antenna lay outside PCB frame PCB frame the PCB frame with carved area the PCB frame with carved area TYBT3 DATASHEET Demonstration 3: Antenna lay inside the PCB Demonstration 3: Antenna lay inside the PCB Demonstration 4: Antenna lay inside the PCB Demonstration 4: Antenna lay inside the PCB frame without copper or wire beneath it without copper or wire beneath it frame with copper or wire beneath it frame with copper or wire beneath it TYBT3 DATASHEET 6. Packaging Information And Production Guide 6.1 Mechanical Dimensions Figure 4.Dimensions 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. FCC Statement:
Any Changes or modifications not expressly approved by the party responsible for compliance could void the users 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-TYBT3 ,or Contains FCC ID: 2ANDL-TYBT3 , Any similar wording that expresses the same meaning may be used.