Texas Instruments WL18 7MOD Series Manual
Texas Instruments WL18 7MOD Series Manual

Texas Instruments WL18 7MOD Series Manual

Wilink 8 dual-band industrial module - wi-fi, bluetooth and bluetooth low energy
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WL18x7MOD WiLink™ 8 Dual-Band Industrial Module –
Wi-Fi

1 Features

General
– Integrates RF, power amplifiers (PAs), clock,
RF switches, filters, passives, and power
management
– Quick hardware design with TI module
collateral and reference designs
– Operating temperature: –40°C to +85°C
industrial temperature grade
– Small form factor: 13.3 × 13.4 × 2 mm
– 100-pin MOC package
– FCC, IC, ETSI/CE, and TELEC certified with
PCB, dipole, chip, and PIFA antennas
Wi-Fi
®
– WLAN baseband processor and RF transceiver
support of IEEE Std 802.11a, 802.11b, 802.11g,
and 802.11n
– 20- and 40-MHz SISO and 20-MHz 2 × 2 MIMO
at 2.4 GHz for high throughput: 80 Mbps (TCP),
100 Mbps (UDP)
– 2.4-GHz MRC support for extended range and
5-GHz diversity capable
– Fully calibrated: production calibration not
required
– 4-bit SDIO host interface support
– Wi-Fi direct concurrent operation (multichannel,
multirole)
Bluetooth
®
and Bluetooth low energy
( WL1837MOD only)
– Bluetooth 5.1 secure connection compliant and
CSA2 support (declaration ID: D052427 )
– Host controller interface (HCI) transport for
Bluetooth over UART

3 Description

The certified WiLink™ 8 module from TI offers high throughput and extended range along with Wi-Fi
®
Bluetooth
coexistence (WL1837MOD only) in a power-optimized design. The WL18x7MOD is a Wi-Fi, dual-
band, 2.4- and 5-GHz module solution with two antennas supporting industrial temperature grade. The device
is FCC, IC, ETSI/CE, and TELEC certified for AP (with DFS support) and client. TI offers drivers for high-level
operating systems, such as Linux
QNX, Nucleus, ThreadX, and FreeRTOS, are supported through third parties.
PART NUMBER
WL1807MOD
WL1837MOD
(1)
For more information, see
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
Copyright © 2021 Texas Instruments Incorporated
intellectual property matters and other important disclaimers. PRODUCTION DATA.
®
®
Bluetooth
,
, and
®
and Android
. Additional drivers, such as WinCE and RTOS, which includes
Device Information
Section
12.
Product Folder Links:
SWRS170J – MARCH 2014 – REVISED APRIL 2021
SWRS170J – MARCH 2014 – REVISED APRIL 2021
Bluetooth Low Energy (LE)
– Dedicated audio processor support of SBC
encoding + A2DP
– Dual-mode Bluetooth and Bluetooth low energy
– TI's Bluetooth and Bluetooth low energy
certified stack
Key benefits
– Reduces design overhead
– Differentiated use cases by configuring
WiLink
8 simultaneously in two roles (STA
and AP) to connect directly with other Wi-
Fi devices on different RF channel (Wi-Fi
networks)
– Best-in-class Wi-Fi with high-performance
audio and video streaming reference
applications with up to 1.4× the range versus
one antenna
– Different provisioning methods for in-home
devices connectivity to Wi-Fi in one step
– Lowest Wi-Fi power consumption in connected
idle (< 800 µA)
– Configurable wake on WLAN filters to only
wake up the system
– Wi-Fi and Bluetooth single antenna coexistence

2 Applications

Internet of things (IoT)
Multimedia
Home electronics
Home appliances and white goods
Industrial and home automation
Smart gateway and metering
Video conferencing
Video camera and security
(1)
PACKAGE
QFM (100)
QFM (100)
WL1807MOD WL1837MOD
WL1807MOD, WL1837MOD
WL1807MOD, WL1837MOD
®
and
BODY SIZE
13.3 mm × 13.4 mm × 2 mm
13.3 mm × 13.4 mm × 2 mm
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Summary of Contents for Texas Instruments WL18 7MOD Series

  • Page 1: Features

    For more information, see Section An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback intellectual property matters and other important disclaimers. PRODUCTION DATA.
  • Page 2: Functional Block Diagram

    SPDT 32.768 kHz BTRF 26M TCXO VBAT Copyright © 2017, Texas Instruments Incorporated NOTE: Dashed lines indicate optional configurations and are not applied by default. Figure 4-1. WL1837MOD Functional Block Diagram Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...
  • Page 3: Table Of Contents

    Section 9.3 ................30 • Deleted the sentence that began "Moreover, the module is also Wi-Fi certified..." in the first paragraph in Section 9.4, Device Certification ........................30 Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback Product Folder Links: WL1807MOD WL1837MOD...
  • Page 4: Device Comparison

    High performance, long range wireless and ultra-low power MCUs consumption Reference Designs for WL1837MOD Find reference designs leveraging the best in TI technology to solve your system-level challenges Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: WL1807MOD WL1837MOD...
  • Page 5: Terminal Configuration And Functions

    PIN 19 - GND PIN 64 - GND PIN 18 - RF_ANT2 PIN 17 - GND Pin 2 Indicator Figure 7-1. 100-Pin MOC Package (Bottom View) Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback Product Folder Links: WL1807MOD WL1837MOD...
  • Page 6: Pin Attributes

    NC if not used. Reserved for future use. GPIO4 1.8 V NC if not used. Reserved for future use. RESERVED3 1.8 V NC if not used. Option: External TCXO. Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: WL1807MOD WL1837MOD...
  • Page 7 Data out. NC if not used. Bluetooth PCM/I2S bus. BT_AUD_FSYNC 1.8 V Frame sync. NC if not used. Bluetooth PCM/I2S bus. BT_AUD_CLK 1.8 V NC if not used. Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback Product Folder Links: WL1807MOD WL1837MOD...
  • Page 8 PU = pullup; PD = pulldown; Hi-Z = high-impedance v = connect; x = no connect. Host must provide PU using a 10-kΩ resistor for all non-CLK SDIO signals. Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: WL1807MOD WL1837MOD...
  • Page 9: Specifications

    Output rise time from 10% to 90% (digital pins) < 25 pF Output fall time from 10% to 90% (digital pins) < 25 pF Ambient operating temperature –40 °C Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback Product Folder Links: WL1807MOD WL1837MOD...
  • Page 10: External Digital Slow Clock Requirements

    Power dissipation of 2 W and an ambient temperature of 70°C is assumed. According to the JEDEC EIA/JESD 51 document Modeled using the JEDEC 2s2p thermal test board with 36 thermal vias Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: WL1807MOD WL1837MOD...
  • Page 11: Wlan Performance: 2.4-Ghz Receiver Characteristics

    Adjacent channel rejection: Sensitivity level +3 dB for 11 Mbps CCK 38.0 OFDM; Sensitivity level +6 dB for 11b 54 Mbps OFDM RX leakage –70 PER floor 1.0% RSSI accuracy ±3 Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback Product Folder Links: WL1807MOD WL1837MOD...
  • Page 12: Wlan Performance: 2.4-Ghz Transmitter Power

    To ensure compliance with the EVM conditions specified in the PHY chapter of IEEE Std 802.11 – 2012: • MCS7 20 MHz channel 12 output power is 2 dB lower than the typical value. Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: WL1807MOD WL1837MOD...
  • Page 13: Wlan Performance: 5-Ghz Receiver Characteristics

    MCS7 MM 4K 40 MHz –69.3 Maximum input level OFDM –30.0 –15.0 Adjacent channel rejection sensitivity +3 dB OFDM54 RX LO leakage –52.0 PER floor 1.0% 2.0% RSSI accuracy ±3 Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback Product Folder Links: WL1807MOD WL1837MOD...
  • Page 14: Wlan Performance: 5-Ghz Transmitter Power

    Maximum TP degradation of up to 30% is expected, starting from 80°C ambient temperature on 5-GHz TX operation. For further clarification regarding power limitation, see the WL18xx INI File Guide. Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: WL1807MOD WL1837MOD...
  • Page 15: Wlan Performance: Currents

    5-GHz TX 40 M SISO MCS7 All RF and performance numbers are aligned to the module pin. Numbers reflect the typical current consumption at maximum output power per rate. Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback Product Folder Links:...
  • Page 16: Bluetooth Performance: Br, Edr Receiver Characteristics-In-Band Signals

    All RF and performance numbers are aligned to the module pin. Sensitivity degradation up to –3 dB may occur due to fast clock harmonics with dirty TX on. Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: WL1807MOD WL1837MOD...
  • Page 17: Bluetooth Performance: Transmitter, Br

    ±75 All RF and performance numbers are aligned to the module pin. Performance values reflect maximum power. Numbers include XTAL frequency drift over temperature and aging. Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback Product Folder Links: WL1807MOD WL1837MOD...
  • Page 18: Bluetooth Performance: Modulation, Edr

    Bluetooth low energy power is restricted to comply with the ETSI 10-dBm EIRP limit requirement. VBAT is measured with an on-chip ADC that has an accuracy error of up to 5%. Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: WL1807MOD WL1837MOD...
  • Page 19: Bluetooth Low Energy Performance: Modulation Characteristics

    Advertising in all three channels, 1.28-s advertising interval, 15 bytes advertise data Listening to a single frequency per window, 1.28-s scan interval, 11.25-ms scan window Zero slave connection latency, empty TX and RX LL packets Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback Product Folder Links:...
  • Page 20: Timing And Switching Characteristics

    3. At least 60 µs is required between two successive device enables. The device is assumed to be in NOTE: shutdown state during that period, meaning all enables to the device are LOW for that minimum duration. Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: WL1807MOD WL1837MOD...
  • Page 21 4.5 ms delay Main 1V8 DC2DC DIG DC2DC SRAM LDO Top RESETZ TCXO_CLK_REQ output Internal power stable = 5 ms Figure 8-3. Chip Top-Level Power-Up Sequence Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback Product Folder Links: WL1807MOD WL1837MOD...
  • Page 22 8.21.5 Bluetooth-Bluetooth low energy Power-Up Sequence Figure 8-5 shows the Bluetooth-Bluetooth low energy power-up sequence. Completion of Bluetooth firmware initialztion. Initialization time Figure 8-5. Bluetooth-Bluetooth low energy Power-Up Sequence Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: WL1807MOD WL1837MOD...
  • Page 23 15.0 To change the data out clock edge from the falling edge (default) to the rising edge, set the configuration bit. Parameter values reflect maximum clock frequency. Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback Product Folder Links: WL1807MOD WL1837MOD...
  • Page 24 Setup time, input valid before CLK ↑ Hold time, input valid after CLK ↑ Delay time, CLK ↑ to output valid 10.0 ODLY Capacitive load on outputs 10.0 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: WL1807MOD WL1837MOD...
  • Page 25 When the UART_CTS signal is set high, the device stops transmitting on the interface. If HCI_CTS is set high in the middle of transmitting a byte, the device finishes transmitting the byte and stops the transmission. Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback Product Folder Links:...
  • Page 26 UART data frame. STR-Start-bit; D0..Dn - Data bits (LSB first); PAR - Parity bit (if used); STP - Stop-bit Figure 8-11. UART Data Frame Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: WL1807MOD WL1837MOD...
  • Page 27 High or low pulse duration 35% of T AUD_IN setup time AUD_IN hold time AUD_FSYNC setup time AUD_FSYNC hold time AUD_OUT propagation time Capacitive loading on outputs Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback Product Folder Links: WL1807MOD WL1837MOD...
  • Page 28: Detailed Description

    After a link is established, calibration is performed periodically (every 5 minutes) on the specific channel tuned. • The maximum VBAT value is based on peak calibration consumption with a 30% margin. Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: WL1807MOD WL1837MOD...
  • Page 29: Wlan Features

    Dedicated audio processor supporting on-chip SBC encoding + A2DP – Assisted A2DP (A3DP): SBC encoding implemented internally – Assisted WB-speech (AWBS): modified SBC codec implemented internally Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback Product Folder Links: WL1807MOD WL1837MOD...
  • Page 30: Updated "Bluetooth 4.2" To "Bluetooth 5.1" In Updated "Bluetooth 4.2" To "Bluetooth 5.1" In Deleted The Sentence That Began "Moreover, The Module Is Also Wi-Fi Certified

    FCC regarding certified modules in authorized equipment. This device complies with Industry Canada licence-exempt RSS standards. Operation is subject to the following two conditions: • This device may not cause interference. Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: WL1807MOD WL1837MOD...
  • Page 31 The WL18MODGI modules from TI are MIC certified against article 49-20 and the relevant articles of the Ordinance Regulating Radio Equipment. Operation is subject to the following condition: • The host system does not contain a wireless wide area network (WWAN) device. Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback Product Folder Links: WL1807MOD WL1837MOD...
  • Page 32: Module Markings

    37, 07 (see Table 9-6). Table 9-6. Test Grade Markings for Model WL18MODGI MARK WLAN 2.4 and 5 GHz Bluetooth Tested – Tested Tested Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: WL1807MOD WL1837MOD...
  • Page 33: End Product Labeling

    RF module in the user’s manual of the end product which integrates this module. The end user's manual must include all required regulatory information and warnings as shown in this manual. Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback...
  • Page 34: Applications, Implementation, And Layout

    For Debug only VIO_IN RES1005 TP10 TP11 TP12 TP13 WL_IRQ_1V8 WL_SDIO_D3_1V8 WL_SDIO_D2_1V8 WL_SDIO_D1_1V8 WL_SDIO_D0_1V8 WL_SDIO_CLK_1V8 WL_SDIO_CMD_1V8 Connect to Host SDIO Interface. Figure 10-1. TI Module Reference Schematics Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: WL1807MOD WL1837MOD...
  • Page 35 RF traces must be as short as possible. The antenna, RF traces, and modules must be on the edge of the PCB product. The proximity of the antenna to the enclosure and the enclosure material must also be considered. Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback...
  • Page 36 RF traces must be as short as possible. The antenna, RF traces, and module must be on the edge of the PCB product in consideration of the product enclosure material and proximity. Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: WL1807MOD WL1837MOD...
  • Page 37 1 and layer 2 of the TI module layout. Figure 10-3. TI Module Layout: Layer 1 Figure 10-4. TI Module Layout: Layer 2 (Solid GND) Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback Product Folder Links: WL1807MOD WL1837MOD...
  • Page 38 TI module central or main ground pads. Figure 10-6. Via Array Patterns Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: WL1807MOD WL1837MOD...
  • Page 39 WCSP solder connections inside the module and impact the device reliability. Care should be taken during module assembly process to the final PCB to avoid the presence of foreign material inside the module. Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback Product Folder Links:...
  • Page 40: Device And Documentation Support

    11.1.2.1 Tools and Software For a complete listing of development-support tools, visit the Texas Instruments WL18xx Wiki. For information on pricing and availability, contact the nearest TI field sales office or authorized distributor.
  • Page 41 LINUX EZSDK release with the TI WiLink family NLCP Wi-Fi driver. The software is built with Linaro GCC 4.7 and can be added to Linux Software Development Kits (SDKs) that use similar toolchain on other platforms. Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback Product Folder Links: WL1807MOD WL1837MOD...
  • Page 42 To designate the stages in the product development cycle, TI assigns prefixes to the part numbers. These prefixes represent evolutionary stages of product development from engineering prototypes through fully qualified production devices. Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: WL1807MOD WL1837MOD...
  • Page 43: Support Resources

    All trademarks are the property of their respective owners. 11.4 Electrostatic Discharge Caution This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.
  • Page 44: Mechanical, Packaging, And Orderable Information

    1.30 1.40 1.20 1.30 1.40 1.00 1.10 1.20 0.20 0.30 0.40 1.00 1.10 1.20 12.2 Tape and Reel Information Emboss taping specification for MOC 100 pin. Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: WL1807MOD WL1837MOD...
  • Page 45 (±0.10) (±0.05) (±0.10) (±0.10) (±0.10) 330.00±2.0 2.20±0.7 100.00±1.5 Figure 12-3. Reel Specification Table 12-3. Dimensions for Reel Specification ITEM DIMENSION (mm) 24.4 (+1.5, –0.5) 30.4 (maximum) Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback Product Folder Links: WL1807MOD WL1837MOD...
  • Page 46 The size of the shipping box may vary depending on the number of reel boxes packed. 1,243 Figure 12-5. Shipping Box The shipping box is made of corrugated fiberboard. Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: WL1807MOD WL1837MOD...
  • Page 47: Packaging Information

    This data is subject to change without notice and revision of this document. For browser-based versions of this data sheet, refer to the left-hand navigation. Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback...
  • Page 48 TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release. Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: WL1807MOD WL1837MOD...
  • Page 49 PACKAGE MATERIALS INFORMATION www.ti.com 23-May-2021 TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Pins Reel Reel Pin1 Type Drawing Diameter Width (mm) (mm) (mm) (mm) (mm) Quadrant (mm) W1 (mm) WL1807MODGIMOCR 1200 330.0 24.4 13.8 13.8 20.0 24.0 WL1807MODGIMOCT 330.0...
  • Page 50 PACKAGE MATERIALS INFORMATION www.ti.com 23-May-2021 *All dimensions are nominal Device Package Type Package Drawing Pins Length (mm) Width (mm) Height (mm) WL1807MODGIMOCR 1200 367.0 367.0 55.0 WL1807MODGIMOCT 367.0 367.0 55.0 WL1837MODGIMOCR 1200 367.0 367.0 55.0 WL1837MODGIMOCT 367.0 367.0 55.0 Pack Materials-Page 2...
  • Page 51 PACKAGE OUTLINE MOC0100A QFM - 2.0 mm max height QUAD FLAT MODULE 13.4 13.2 PIN 1 INDEX AREA 13.5 13.3 2 MAX 0.08 C 2X 11.95 2X 9.8 (1.4) TYP SYMM 2X 9.8 60X 0.8 2X 12.05 60X 0.45 0.35 C A B 0.05 PIN 2...
  • Page 52 4221006/B 10/2016 NOTES: (continued) This package is designed to be soldered to thermal pads on the board. For more information, see Texas Instruments literature number SLUA271 (www.ti.com/lit/slua271) Solder mask tolerances between and around signal pads can vary based on board fabrication site.
  • Page 53 EXAMPLE STENCIL DESIGN MOC0100A QFM - 2.0 mm max height QUAD FLAT MODULE 2X (11.95) 60X (0.4) 60X (0.75) (12.05) SYMM 56X (0.7) (1.05) TYP (1.4) TYP SEE DETAIL B (1.05) TYP (1.4) TYP SYMM SEE DETAIL A SOLDER PASTE EXAMPLE BASED ON 0.125 mm THICK STENCIL PADS 1, 17, 33, 49, G1-G36 SOLDER...
  • Page 54 TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products.IMPORTANT NOTICE Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2021, Texas Instruments Incorporated...

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