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TUYA WBR3L Datasheet

TUYA WBR3L Datasheet

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WBR3L Module Datasheet
Device Development > Cloud Module > WiFi&BT Dual Mode Module
Version: 20200812
Online Version

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Summary of Contents for TUYA WBR3L

  • Page 1 WBR3L Module Datasheet Device Development > Cloud Module > WiFi&BT Dual Mode Module Version: 20200812 Online Version...

  • Page 2: Table Of Contents

    Contents Contents 1 Product Overview 1.1 Features ....... . . 1.2 Applications .
  • Page 3 Contents 8.6 Storage Conditions ......22 9 MOQ and Packaging Information 10 Appendix-Statement...

  • Page 4: Product Overview

    1 PRODUCT OVERVIEW 1 Product Overview WBR3L is a low-power embedded WiFi+BLE module that Tuya has developed. It consists of a highly integrated wireless RF chip (RTL8720CF), with an embedded WiFi network protocol stack and varied library functions. With the maximum CPU...
  • Page 5 1 PRODUCT OVERVIEW • Baby monitor • Network camera • Intelligent bus 2 / 25...

  • Page 6: Change History

    3 Module Interfaces 3.1 Dimensions and Footprint WBR3L has two rows of pins with a 2 mm pin spacing. Each row has 8 pins. The WBR3L dimensions are 16±0.35 mm (W)×24±0.35 mm (L) ×2.9±0.15 mm (H). The dimensions of WBR3L are as follows:...

  • Page 7: Pin Definition

    3 MODULE INTERFACES 3.2 Pin Definition The definition of interface pins is shown in the following table: Pin Number Symbol I/O Type Function It is pulled up to be compatible with other modules GPIOA_7, hardware PWM, IC Pin 21 Enabling pin, which works at the high level and is pulled up and...
  • Page 8 3 MODULE INTERFACES Pin Number Symbol I/O Type Function A_12 GPIOA_12, hardware PWM, IC Pin 26 A_16 GPIOA_16, UART_Log_TXD, which is used for displaying the module internal information and can be configured as a common GPIO A_17 GPIOA_17, hardware PWM, IC Pin 38 A_18 GPIOA_18,...

  • Page 9: Electrical Parameters

    4 ELECTRICAL PARAMETERS 4 Electrical Parameters 4.1 Absolute Electrical Parameters Minimum Maximum Parameter Description Value Value Unit Storage ℃ temperature Power supply -0.3 voltage Static TAMB-25℃ electricity discharge voltage (human body model) Static TAMB-25℃ electricity discharge voltage (machine model) 4.2 Working Conditions Minimum Typical Maximum...

  • Page 10: Rf Power Consumption

    4 ELECTRICAL PARAMETERS Minimum Typical Maximum Parameter Description Value Value Value Unit low-level input high-level input low-level output high-level output Imax I/O drive current Cpad Input pin capaci- tance 4.3 RF Power Consumption 1. TX power consumption: Peak Value Average (Typical Symbol Mode...

  • Page 11: Working Power Consumption

    4 ELECTRICAL PARAMETERS Peak Value Average (Typical Symbol Mode Value Value) Unit 11B 11M 11G 54M 11N HT20 MCS7 4.4 Working Power Consumption Working Peak Value Status (Ta = Average (Typical Working Mode 25°C) Value Value) Unit Quick The module is connection in the fast network...

  • Page 12: Rf Parameters

    5 RF PARAMETERS Working Peak Value Status (Ta = Average (Typical Working Mode 25°C) Value Value) Unit Disconnected The module is status offline and the WiFi indicator is dark 5 RF Parameters 5.1 Basic RF Features Parameter Description Frequency range 2.400 to 2.4835 GHz WiFi standard IEEE 802.11b/g/n (channels 1 to 14)
  • Page 13 5 RF PARAMETERS Minimum Maximum Parameter Value Typical Value Value Unit Average RF 17.5 output power, 802.11b CCK Mode, 1 Mbit/s Average RF 14.5 output power, 802.11g OFDM mode, 54 Mbit/s Average RF 13.5 output power, 802.11n OFDM mode, MCS7 Average RF output power, BLE 4.2, 1...

  • Page 14: Rx Performance

    5 RF PARAMETERS Minimum Maximum Parameter Value Typical Value Value Unit EVM@802.11n OFDM MCS7 Mode 13.5dBm 5.3 RX Performance Minimum Maximum Parameter Value Typical Value Value Unit PER<8%, RX sensitivity, 802.11b CCK Mode 1M PER<10%, RX sensitivity, 802.11g OFDM Mode PER<10%, RX sensitivity, 802.11n...

  • Page 15: Antenna Information

    6 ANTENNA INFORMATION 6 Antenna Information 6.1 Antenna Type WBR3L uses only an onboard PCB antenna with a gain of 1.82 dBi. 6.2 Antenna Interference Reduction To ensure 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.

  • Page 16: Power-On Sequence And Resetting

    7 POWER-ON SEQUENCE AND RESETTING 7 Power-on Sequence and Resetting 7.1 Power-on Sequence The RTL8720CF chip has requirements on the power-on sequence. It is recom- mended that the voltage rise from 0 to 3.3V within 40mS. Minimum Typical Maximum Symbol Parameter Value Value...
  • Page 17 7 POWER-ON SEQUENCE AND RESETTING 14 / 25...

  • Page 18: Packaging Information And Production Instructions

    8 PACKAGING INFORMATION AND PRODUCTION INSTRUCTIONS 8 Packaging Information and Production Instructions 8.1 Mechanical Dimensions The mechanical dimensions of PCB of WBR3L are 16±0.35 mm (W)×24±0.35 mm (L) ×0.8±0.1 mm (H). The following figure shows mechanical dimensions of WBR3L. 15 / 25...

  • Page 19: Recommended Pcb Layout

    Note: The default dimensional tolerance is ±0.35 mm. If you have specific require- ments on dimensions, make them clear in the datasheet after communication. 8.2 Recommended PCB Layout The following figure is a schematic diagram of WBR3L which shows how pins corre- spond to each other. 16 / 25...
  • Page 20 8 PACKAGING INFORMATION AND PRODUCTION INSTRUCTIONS WBR3L PCB Layout is shown as belows: 17 / 25...

  • Page 21: Pin Header Specifications

    8 PACKAGING INFORMATION AND PRODUCTION INSTRUCTIONS 8.3 Pin Header Specifications WBR3L has two models: WBR3L with pin headers and WBR3L without pin headers. Which one is used depends on actual situations. Dimensions and recommended layout of pin headers are as follows (unit: mm):...

  • Page 22: Production Instructions

    8 PACKAGING INFORMATION AND PRODUCTION INSTRUCTIONS 8.4 Production Instructions 1. Tuya’s stamp hole package module must be mounted by SMT machine within 24 hours after unpacking and programming of firmware. Otherwise, it must be packaged again under vacuum. The module must be baked before mounting.
  • Page 23 3 months, because electroless nickel/immersion gold (ENIG) is used for PCBs and they are seriously oxidized after more than 3 months. SMT is very likely to cause pseudo and missing soldering. Tuya is not liable for such problems and consequences.

  • Page 24: Recommended Oven Temperature Curve

    8 PACKAGING INFORMATION AND PRODUCTION INSTRUCTIONS the oven temperature and attaching and placing components. Draw 5 to 10 modules from subsequent batches each hour for visual inspection and AOI. 8.5 Recommended Oven Temperature Curve Perform SMT based on the following reflow oven temperature curve. The highest temperature is 245°C.
  • Page 25 8 PACKAGING INFORMATION AND PRODUCTION INSTRUCTIONS 8.6 Storage Conditions 22 / 25...
  • Page 26 Number MOQ (pcs) method per reel (pcs) carton (reel) WBR3L 3600 Tape reel 10 Appendix-Statement FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate this equip- ment.
  • Page 27 20 cm between the radiator and user body. This device have got a FCC ID: 2ANDL-WBR3L.The final end product must be labeled in a visible area with the following: “Contains Transmitter Module FCC ID: 2ANDL-WBR3L ” This device is...
  • Page 28 10 APPENDIX-STATEMENT This product must not be disposed of as normal household waste, in accordance with EU directive for waste electrical and electronic equipment (WEEE-2012/19/EU). Instead, it should be disposed of by returning it to the point of sale, or to a municipal recycling collection point.

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