Hangzhou Tuya Information Technology TYBT3 BLE Module User Manual TYBT2 EN V1x

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Document ID	3933339
Application ID	7qSc4u3YnPUOQYYYbB/opQ==
Document Description	User Manual
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Permanent Confidential	No
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Document Type	User Manual
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Filesize	146.55kB (1831839 bits)
Date Submitted	2018-07-20 00:00:00
Date Available	2018-07-20 00:00:00
Creation Date	2018-03-02 10:37:11
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Document Title	Microsoft Word - TYBT2_EN_V1.docx
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Document Author:	35003

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
BLE
IO interface
I2C
UART
PWM
MCU FREQ
48MHz
SRAM
16K Bytes
FLASH
12M
Crystal
512K
BLE
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
DESCRIPTION
SDA
I/O
I2C, data interface,internal pull-up 4.7k resistance
SCL
I/O
I2C, clock interface, internal pull-up 4.7k resistance
I/O
normal IO pin, can be used as PWM output pin, default for
Green LED line
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
I/O
normal IO pin, can be used as PWM output pin, default for Red
LED line
3.3V
Supply voltage
TYBT3 DATASHEET
TX
I/O
UART TX,can be used as normal IO pin
10
RX
I/O
UART RX,can be used as normal IO pin
11
GND
Ground
12
SW
I/O
Bluetooth chipset burning pin
13
RST
reset pin for the module,internal pull-up 4.7k resistance
14
GND
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 there’s 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
DESCRIPTION
MIN
MAX
UNIT
Ts
Storage
temperature
-20
85
℃
VCC
Supply voltage
-0.3
3.9
Electrostatic release quantity
(Human body model)
TAMB-25℃
KV
Electrostatic release quantity
(Machine model)
TAMB-25℃
0.5
KV
3.2 Electrical Conditions
Table 3. Electrical Conditions
PARAMETERS
DESCRIPTION
MIN
Temperature for Commercial grade
Ta
-20
TYPIC
AL
MAX
UNIT
85
℃
VCC
Supply voltage
1.9
3.3
3.6
VIL
IO negative level input
-0.3
VCC*0.3
VIH
IO positive level input
VOL
IO negative level output
VoH
IO positive level output
VCC*0.7
VCC
VSS
0.3
VCC-0.3
VCC
3.3Transmitting Current Consumptions
Table 4. TX current consumption
PARAMETERS
MODE
Itx
Continuously transmitting, 0dBm power output
Irx
Continuously receiving
12
mA
IDC
Normal working mode
27
mA
18
uA
Ideepsleep
Sleep mode
TYPICAL
15
UNIT
mA
TYBT3 DATASHEET
4. Radio Specification
4.1 Basic Radio Frequency Characteristics
Table 5.Basic Radio frequency characteristics
PARAMETERS
DESCRIPTION
Working Frequency
2.4GHz ISM band
Radio standard
BLE 4.2
Data transmitting rate
1Mbps
Type of Antenna
On-board PCB Antenna
4.2Transmitting Power
Table 6. Transmitting power
PARAMETERS
MIN
RF Average output power
consumption
5.46
TYPICAL
MAX
5.70
6.06
UNIT
dBm
4.3Receiving Sensitivity
Table 7. Receiving sensitivity
PARAMETERS
RX sensitivity
Frequency bias error
Co-channel interference Restrain
MIN
TYPICAL
MAX
1Mbps
-93
-92
-90
1Mbps
-300
+300
-7
UNIT
dBm
KHz
dB
TYBT3 DATASHEET
5. Antenna Information
5.1 Antenna Type
Antenna for TYBT3 modulodule
e is is using 2.4 GHz MIFA On-board PCB antenna.
5.2 Reduce Antenna Interference
nterference
In
best RF
minimum
st performance, it’s recommended to keep
n order
order totohave
havethethe
to akeep
15mm distance
betweenbetween
the antethe antenna
rt andnna
thepaother
part metal
and the
pieces.
other metal pieces.
Since PCBA
A manufacture use SMT process to weld TYBT3 module and other electrical
pattern
components onto the PCB board, RF performance will depend on the layout location and patt
of the On-board
board PCB antenna. The following figures are some recommended and
dis-recommended demonstrations from out R&D team.
In demonstration 1 and 2 of figure 3, the on
on-board PCB antenna lays outside of the PCB
frame. It’s recommended to use layout pattern shown in demonstration 1 and 2. Either the
on-board PCB antenna lays outside of the PCB frame directly or PCB frame car
carve out a certain
area for the antenna. The overall PCBA performance for these two ways will be the same as
testing the module independently.
Restricted due to some reason, iif the on-board PCB antenna layout
ut has to be inside the PCB
frame, it’s suggested to refer
er to demonstration 3. The antenna
enna lays inside the PCB frame, but no
copperor wire beneath the antenna. RF performance will have some loss, approximately 1~2 dBm.
demonstration 4, the antenna lays inside the PCB frame, and
It’s NOT recommended to use demonstra
there are copper and wire beneath it. RF performance will have significantatte
attenuanuation.
tion
Figure 3.layout demostrations
Demonstration 1: Antenna lay outside the
Demonstration 2: Antenna lay outside
PCB frame
the PCB frame with carved area
TYBT3 DATASHEET
Demonstration 3: Antenna lay inside the PCB
Demonstration 4: Antenna lay inside the PCB
frame without 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 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-TYBT3 ”,or “Contains FCC ID: 2ANDL-TYBT3 ”, Any
similar wording that expresses the same meaning may be used.

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