TUYA WBR1D-IPEX User manual

WBR1D-IPEX Module Datasheet
Hardware Product Development > Network Modules > Wi-Fi & BLE
Dual Mode Module > WBR Series Module
Version: 20210329
Online Version

Contents
Contents
1 Overview 2
1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.2 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.3 Change history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Module interfaces 4
2.1 Dimensions and footprint . . . . . . . . . . . . . . . . . . . . . . . . 4
2.2 Pin definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.3 Definitions on test points . . . . . . . . . . . . . . . . . . . . . . . . 8
3 Electrical parameters 9
3.1 Absolute electrical parameters . . . . . . . . . . . . . . . . . . . . . 9
3.2 Normal working conditions . . . . . . . . . . . . . . . . . . . . . . . 9
3.3 TX and RX power consumption . . . . . . . . . . . . . . . . . . . . . 10
3.4 Working current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4 RF parameters 13
4.1 Basic RF features . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.2 TX performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.3 RX performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5 Antenna 16
5.1 Antenna type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5.2 Antenna interference reduction . . . . . . . . . . . . . . . . . . . . . 16
6 Power-on sequence and resetting 17
6.1 Power-on sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6.2 Resetting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6.3 Treatment of pin GPIO . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7 Packaging information and production instructions 20
7.1 Mechanical dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 20
7.2 Side view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
7.3 Schematic diagram of packaging . . . . . . . . . . . . . . . . . . . . 21
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Contents
7.4 The Diagram of PCB package . . . . . . . . . . . . . . . . . . . . . . 21
7.5 Production instructions . . . . . . . . . . . . . . . . . . . . . . . . . 22
7.6 Recommended oven temperature curve . . . . . . . . . . . . . . . . . 24
7.7 Storage conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
8 MOQ and packaging information 27
9 Appendix: Statement 27
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Contents
WBR1D-IPEX is a low-power embedded Wi-Fi module that Tuya has developed. It
consists of a highly integrated wireless RF chip (W701D-VA1-CG), a few peripherals,
a built-in WiFi network protocol stack, the Bluetooth network protocol, and varied
library functions.
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1 OVERVIEW
1 Overview
WBR1D-IPEX has an embedded low-power 32-bit CPU, 512-KB static random-access
memory (SRAM), 4-MB flash memory, and rich peripherals.
WBR1D-IPEX is an RTOS platform that integrates all function libraries of the WiFi
MAC and TCP/ IP. You can develop embedded WiFi products as required.
The functional block diagram of WBR1D-IPEX is shown as below:
1.1 Features
• Embedded low-power 32-bit CPU, which can also function as an application
processor
• The maximum clock rate: 200 MHz
• Working voltage: 3.3 +-0.3V
• Peripherals: 6 GPIOs, 1 universal asynchronous receiver/transmitter (UART), 1
UART (which can display log information and be used for debugging), and 1
analog to digital converter (ADC)
• Wi-Fi connectivity
–802.11 a/b/g/n 1x1, 2.4 G&5 G
–Channels 1 to [email protected] GHz; channels 36 to 177@5 GHz
–Support WPA/WPA 2 security mode
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1 OVERVIEW
–Up to +17 dBm output power in 802.11b mode; up to +15 dbm output
power in 802.11a mode
–Support STA/AP/STA+AP working mode
–Support SmartConfig and AP network configuration manners for Android
and iOS devices
–Onboard PCB antenna with a gain of 2 [email protected] G or 2.6 dBi@5 G
–Working temperature: -20℃ to 85℃
• Bluetooth LE connectivity
–Support Bluetooth LE V5.0
–Up to +9 dBm output power
–PCB antenna with a gain of 2 dBi@2.4 G, which is shared by Wi-Fi and
Bluetooth
–Working temperature: -20℃ to 85℃
1.2 Applications
• Intelligent building
• Smart household and home appliances
• Smart socket and light
• Industrial wireless control
• Baby monitor
• Network camera
• Intelligent bus
1.3 Change history
Update date Updated content Version after update
10/10/2019 This is the first release. V1.0.0
12/16/2019 Revision and typesetting V1.0.1
12/31/2019 Add Bluetooth
information
V1.0.2
6/18/2020 Add reset IC and GPIO
burr treatment guidance
V1.0.3
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2 MODULE INTERFACES
2 Module interfaces
2.1 Dimensions and footprint
WBR1D-IPEX has two rows of pins with a 1.5±0.1 mm pin spacing.
The WBR1D-IPEX dimensions are 18 mm (W)×23.5 mm (L)×2.8 mm (H).
Diagram of dimensions of WBR1D-IPEX
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2 MODULE INTERFACES
Note: The general shape tolerance is ±0.3 mm, the position tolerance related
to the plug-in assembly is reduced to ±0.1 mm, and the tolerance of the 1-mm-
thick plate is ±0.1 mm.
2.2 Pin denition
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2 MODULE INTERFACES
Pin number Symbol I/O type Function
1 VCC P The internal level
conversion circuit
supplies power to
the input pin and
the actual voltage
is the voltage
uploaded by the
user’s backplane
2 TX/PB1 I/O User-side serial
interface TXD
signal
3 RX/PB2 I/O User-side serial
interface RXD
signal
4 3V3 P Power supply pin
(3.3V)
5 GND P Power supply
reference ground
6 PA12 I/O Support hardware
PWM function and
correspond to PA
12 of IC
7 PA13 I/O Support hardware
PWM function and
correspond to PA
13 of IC
8 LOGTX I/O LOG serial
interface output
pin (used to
display the
internal
information of the
module)
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2 MODULE INTERFACES
Pin number Symbol I/O type Function
9 PA26 I/O Common IO pin,
which
corresponds to PA
26 of IC
10 PA28 I/O Support hardware
PWM function and
correspond to PA
28 of IC
11 U0RX I/O LOG serial
interface input pin
12 PB21 I/O Common IO pin,
which
corresponds to PB
21 of IC
13 PA25 I/O Support hardware
PWM function and
correspond to PA
25 of IC
14 GND P Power supply
reference ground
15 GND P Power supply
reference ground
16 EN I/O External reset
signal
17 ADC AI ADC port
18 GND P Power supply
reference ground
Note:
• P indicates power supply pins, I/O indicates input/output pins and AI indi-
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2 MODULE INTERFACES
cates analog input pins.
• RST is only a hardware reset pin and cannot be used for clearing information
about WiFi network configuration.
2.3 Denitions on test points
Pin aq Symbol I/O type Function
- TEST I Be used for the
production test of
the module
Note: Test pins are not recommended.
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3 ELECTRICAL PARAMETERS
3 Electrical parameters
3.1 Absolute electrical parameters
Parameter Description
Minimum
value
Maximum
value Unit
Ts Storage
temperature
-20 85 ℃
VBAT Power supply
voltage
3.0 3.6 V
Static
electricity
discharge
voltage
(human body
model)
TAMB-25℃ - 2 KV
Static
electricity
discharge
voltage
(machine
model)
TAMB-25℃ - 0.5 KV
3.2 Normal working conditions
Parameter Description
Minimum
value
Typical
value
Maximum
value Unit
Ta Working
tempera-
ture
-20 - 85 ℃
VBAT Power
supply
voltage
3.0 3.3 3.6 V
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3 ELECTRICAL PARAMETERS
Parameter Description
Minimum
value
Typical
value
Maximum
value Unit
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
output
- - VCC*0.1 V
VOH IO
high-level
output
VCC*0.8 - VCC V
Imax IO drive
current
- - 12 mA
3.3 TX and RX power consumption
3.3.1 Transmission and receiving at 2.4G
Working
Status Mode Rate
Transmit
Power/Re-
ceive
Typical
value Unit
Transmit 11 b 11Mbps +18dBm 250 mA
Transmit 11g 54Mbps +17dBm 180 mA
Transmit 11n-HT20 MCS7 +16dBm 170 mA
Transmit 11n-HT40 MCS7 +16dBm 150 mA
Receive 11b 11Mbps Constantly
receive
70 mA
Receive 11g 54Mbps Constantly
receive
72 mA
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3 ELECTRICAL PARAMETERS
Working
Status Mode Rate
Transmit
Power/Re-
ceive
Typical
value Unit
Receive 11n-HT20 MCS7 Constantly
receive
70 mA
Receive 11n-HT40 MCS7 Constantly
receive
73 mA
3.3.2 Transmission and receiving at 5G
Working
Status Mode Rate
Transmit
Power/Re-
ceive
Typical
value Unit
Transmit 11a 54Mbps +15dBm 300 mA
Transmit 11n-HT20 MCS7 +15dBm 230 mA
Transmit 11n-HT40 MCS7 +14dBm 220 mA
Receive 11a 54Mbps Constantly
receive
71 mA
Receive 11n-HT20 MCS7 Constantly
receive
72 mA
Receive 11n-HT40 MCS7 Constantly
receive
76 mA
3.4 Working current
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3 ELECTRICAL PARAMETERS
Working
mode
Working
Status, Ta
= 25℃
Average
value
Maximum
value
(Typical
value) Unit
Quick
network
connection
state
The
module is
in the fast
network
connection
state and
the WiFi
indicator
flashes fast
57 184 mA
Hotspot
network
configura-
tion
state
The
module is
in the
hotspot
network
configura-
tion state
and the
WiFi
indicator
flashes
slowly
203 392 mA
Network
connection
state
The
module is
connected
to the
network
and the
WiFi
indicator is
always on
55 98 mA
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4 RF PARAMETERS
Working
mode
Working
Status, Ta
= 25℃
Average
value
Maximum
value
(Typical
value) Unit
Disconnected
state
The
module is
discon-
nected and
the WiFi
indicator is
dark
53 59 mA
4 RF parameters
4.1 Basic RF features
Parameter Description
Working frequency 2.412 to 2.484 GHz; 5.180 to 5.885
GHz
WiFi standard IEEE 802.11 a/b/g/n (Channels 1 to 14;
channels 36 to 177)
Data transmission rate 11b: 1, 2, 5.5, 11 (Mbps); 11 a/g: 6, 9,
12, 18, 24, 36, 48, 54 (Mbps); 11n:
HT20 MCS 0 to 7; HT40 MCS 0 to 7
Antenna Type PCB antenna with a gain 2 [email protected] G;
PCB antenna with a gain 2.6 dBi@5 G
4.2 TX performance
2.4G TX performance
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4 RF PARAMETERS
Parameter
Minimum
value Typical value
Maximum
value Unit
Average RF
output power,
802.11b CCK
Mode 11M
- 17 - dBm
Average RF
output power,
802.11g
OFDM Mode
54M
- 16 - dBm
Average RF
output power,
802.11n HT20
Mode MCS7
- 15 - dBm
Average RF
output power,
802.11n HT40
Mode MCS7
- 14 - dBm
Frequency
error
-10 - 10 ppm
5G-TX Performance
Parameter
Minimum
value Typical value
Maximum
value Unit
Average RF
output power,
802.11a
OFDM Mode
54M
- 14 - dBm
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4 RF PARAMETERS
Parameter
Minimum
value Typical value
Maximum
value Unit
Average RF
output power,
802.11n HT20
Mode MCS7
- 13 - dBm
Average RF
output power,
802.11n HT40
Mode MCS7
- 12 - dBm
Frequency
error
-10 - 10 ppm
4.3 RX performance
RX sensitivity
Parameter
Minimum
value Typical value
Maximum
value Unit
PER<8%, RX
sensitivity,
802.11b
DSSS Mode
11M
- -91 - dBm
PER<10%, RX
sensitivity,
802.11a/g
OFDM Mode
54M
- -75 - dBm
PER<10%, RX
sensitivity,
802.11n
OFDM Mode
HT20-MCS7
- -72 - dBm
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5 ANTENNA
5 Antenna
5.1 Antenna type
WBR1D-IPEX uses only an Ipex antenna.
5.2 Antenna interference reduction
To ensure the optimal WiFi performance when the WiFi module uses an onboard PCB
antenna, it is recommended that the antenna be at least 15 mm away from other
metal parts.
To ensure the antenna performance, the PCB should not be routed or clad with cop-
per in the antenna area. The main points of the layout: 1. Make sure that there is
no substrate medium directly below or above the printed antenna. 2. Make sure
that the area around the printed antenna is far away from the metal copper skin, so
as to ensure the radiation effect of the antenna to the greatest extent.
For the antenna area of the PCB of the module, refer to Diagram of Mechanical
Dimensions.
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6 POWER-ON SEQUENCE AND RESETTING
6 Power-on sequence and resetting
6.1 Power-on sequence
The RTL8720DN chip has requirements on the power-on sequence. It is recom-
mended that the voltage rise from 0 to 3.3V within 40mS.
Symbol Parameter Minimum Typical Maximum Unit
TPRDY 3.3V ready
time
0.6 40 mS
CHIP_EN CHIP_EN
ready time
0.6 40 mS
6.2 Resetting
When designing a plate of a module, you should reserve a reset IC on the pin
CHIP_EN. The preferable type of IC is BL8506-27CRO. The IC is packaged in the
form of SOT23. Refer to the circuit in the following figure (R30 is reserved and may
not be mounted).
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