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BDE-BW2837

Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module

Datasheet

info@bdecomm.com

BDE Technology Inc.

Datasheet

1 / 39

General Description

BDE-BW2837 is a Wi-Fi 2.4GHz and 5GHz Dual-Band and Bluetooth & Bluetooth Low Energy (BLE)

Dual-mode high throughput and extended range along with Wi-Fi and Bluetooth coexistence in

a power-optimized design.

Key Features

General

 Wi-Fi 2.4GHz/5GHz Dual-Band and Bluetooth &

BLE Dual-Mode.

 Integrates RF, Power Amplifiers (PAs), Clock, RF

Switches, Filters, Passives, and Power

Management

 Operating Temperature: –40°C to +85°C

 Dimension: 13.3 × 13.4 × 2.0 mm

 LGA-100 pin Package

 FCC, IC, ETSI/CE compliance

 Wi-Fi-Bluetooth Single Antenna Coexistence

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

 Wi-Fi Direct Concurrent Operation

(Multichannel, Multirole)

 Fully calibrated system (production calibration not

required)

 Hardware-based encryption-decryption using 64-,

128-, and 256-bit WEP, TKIP, or AES keys

 Requirements for Wi-Fi-protected access (WPA

and WPA2.0) and IEEE Std 802.11i (includes

hardware-accelerated Advanced Encryption

Standard [AES])

 Advanced coexistence scheme with Bluetooth and

Bluetooth low energy wireless technology

 4-bit SDIO host interface, including high speed (HS)

and V3 modes

 Low Wi-Fi Power Consumption in Connected Idle

(< 800 µA)

 Configurable Wake on WLAN Filters to Only Wake

Up the System

Bluetooth® and BLE

 Bluetooth 5.1 Secure Connection Compliant and

 CSA2 Support

 Host Controller Interface (HCI) Transport for

 Bluetooth Over UART

 Dedicated Audio Processor Support of SBC

Encoding + A2DP

 Certified Bluetooth- and BLE Dual mode Stack

 BLE up to 10 low energy connections

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

Summary of content (39 pages)

PAGE 1
BDE-BW2837 Datasheet Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module General Description BDE-BW2837 is a Wi-Fi 2.4GHz and 5GHz Dual-Band and Bluetooth & Bluetooth Low Energy (BLE) Dual-mode high throughput and extended range along with Wi-Fi and Bluetooth coexistence in a power-optimized design. Key Features General Bluetooth® and BLE  Wi-Fi 2.4GHz/5GHz Dual-Band and Bluetooth & BLE Dual-Mode.
PAGE 2
BDE-BW2837 Datasheet Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module Contents General Description ....................................................... 1 Key Features ................................................................... 1 Applications.................................................................... 1 Contents ......................................................................... 2 1. References.............................................................. 3 2.
PAGE 3
BDE-BW2837 Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module 1. [1] Datasheet References WL1837MOD Datasheet https://www.ti.com/lit/ds/symlink/wl1837mod.pdf?ts=1618144492050&ref_url=https%253A%252F%252Fww w.ti.com%252Fproduct%252FWL1837MOD%253FkeyMatch%253DWL1837MOD%2526tisearch%253Dsea rch-everything%2526usecase%253DGPN [2] WL18xx Module Hardware Integration Guide (Rev. B) https://www.ti.com/lit/ug/swru437b/swru437b.
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BDE-BW2837 Datasheet Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module 2. Terminal Configuration and Functions 3.1 Pin Diagram Figure 3-1. Pin Diagram Bottom View 3.2 Pin Attributes and Pin Multiplexing Table 3-1. Pin Description Shut Down State(1) After Power Up(1) Pin # Pin Name Type 1 GND GND 2 GPIO11 I/O PD PD 1.8V Reserved for future use. NC if not used. 3 GPIO9 I/O PD PD 1.8V Reserved for future use. NC if not used. 4 GPIO10 I/O PU PU 1.8V Reserved for future use.
PAGE 5
BDE-BW2837 Datasheet Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module Shut Down State(1) After Power Up(1) Pin # Pin Name Type Voltage Level Description 9 GND GND 10 WL_SDIO_D0 I/O HiZ HiZ 1.8V WLAN SDIO Data bit 0(2) 11 WL_SDIO_D1 I/O HiZ HiZ 1.8V WLAN SDIO Data bit 1(2 12 WL_SDIO_D2 I/O HiZ HiZ 1.8V WLAN SDIO Data bit 2(2) Must be driven by the host. ‐ Ground WLAN SDIO Data bit 3. 13 WL_SDIO_D3 I/O HiZ PU 1.
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BDE-BW2837 Datasheet Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module Pin # Pin Name Type Shut Down State(1) After Power Up(1) Voltage Level 38 VIO POW PD PD 1.8V 39 GND GND 40 WLAN_EN I PD PD 1.8V 41 BT_EN I PD PD 1.8V If Bluetooth is not used, connect to ground. 42 WL_UART_DBG O PU PU 1.8V Option: WLAN logger 43 BT_UART_DEB UG O PU PU 1.8V Option: Bluetooth logger 44 GND GND ‐ Ground 45 GND GND ‐ Ground 46 VBAT_IN POW VBAT Power supply input, 2.
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BDE-BW2837 Datasheet Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module 3. Specifications 4.1 General Requirements and Operating Conditions All specifications are based on typical values VBAT = 3.7 V, VIO = 1.8 V, over operating free-air temperature range unless otherwise noted. 4.1.1 Absolute Maximum Ratings (1) PARAMETER MIN MAX VBAT UNIT (2) V 4.8 VIO -0.5 2.1 V Input voltage to analog pins -0.5 2.1 V Input voltage limits (CLK_IN) -0.
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BDE-BW2837 Datasheet Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module 4.1.3 Recommended Operating Conditions PARAMETER VBAT (1) MIN TYP 2.9 3.7 4.8 V 1.62 1.8 1.95 V 0.65 × VDD_IO VDD_IO V 0 0.35 × VDD_IO V 1.365 VDD_IO V 0 0.4 V DC supply range for all modes MAX UNIT VIO 1.
PAGE 9
BDE-BW2837 Datasheet Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module 4.2 WLAN Performance All specifications are over operating free-air temperature range. All RF and performance numbers are aligned to the module pin (unless otherwise noted). Note: The frequency stability of all transmission frequencies of U-NII -1 and U-NII -3 meets the requirements of 47 CFR FCC Part15.407(g), and the manufacturer declares that their transmission is maintained at Band U-NII-1 and U-NII-3. 4.2.1 WLAN 2.
PAGE 10
BDE-BW2837 Datasheet Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module 4.2.2 WLAN 2.4-GHz Transmitter Power PARAMETER CONDITION (1) MIN TYP MAX UNIT RF_ANT1 Pin 2.4-GHz SISO Output Power: Maximum RMS output power measured at 1 dB from IEEE spectral mask or EVM (2) 1 Mbps DSSS 17.3 2 Mbps DSSS 17.3 5.5 Mbps CCK 17.3 11 Mbps CCK 17.3 6 Mbps OFDM 17.1 9 Mbps OFDM 17.1 12 Mbps OFDM 17.1 18 Mbps OFDM 17.1 24 Mbps OFDM 16.2 36 Mbps OFDM 15.3 48 Mbps OFDM 14.6 54 Mbps OFDM 13.
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BDE-BW2837 Datasheet Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module 4.2.3 WLAN 5-GHz Receiver Characteristics PARAMETER CONDITION MIN TYP MAX UNIT RF_ANT1 or RF_ANT2 5150 5725 Operation frequency range 5250 5850 6 Mbps OFDM 1K –92.5 9 Mbps OFDM 1K –90.5 12 Mbps OFDM 1K –90.0 18 Mbps OFDM 1K –87.5 24 Mbps OFDM 1K –84.5 36 Mbps OFDM 1K –81.0 48 Mbps OFDM 1K –76.5 54 Mbps OFDM 1K –74.6 MCS0 MM 4K –91.4 MCS1 MM 4K –88.0 MCS2 MM 4K –86.0 MCS3 MM 4K –83.0 MCS4 MM 4K –79.
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BDE-BW2837 Datasheet Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module CONDITION(2) PARAMETER MIN TYP MCS7 MM 4K 13.0 MCS0 MM 40 MHz 16.5 MCS7 MM 40 MHz MAX UNIT 12.0 Output power resolution 0.125 dB Return loss –10.0 dB 50.0 Ω Reference input impedance (1) (2) All RF and performance numbers are aligned to the module pin. Maximum TP degradation of up to 30% is expected, starting from 80°C ambient temperature on 5-GHz TX operation. 4.2.
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BDE-BW2837 Datasheet Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module 4.3 Bluetooth Performance All specifications are over operating free-air temperature range (unless otherwise noted) 4.3.1 BR, EDR Receiver Characteristics—In-Band Signals (1) PARAMETER CONDITION MIN Bluetooth BR, EDR operation frequency range 2400 Bluetooth BR, EDR channel spacing Bluetooth BR, EDR input impedance Bluetooth BR, EDR sensitivity(2) dirty TX on Bluetooth BR intermodulation –91.7 –84.7 1e-6 –5.0 EDR2, BER = 0.
PAGE 14
BDE-BW2837 Datasheet Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module 4.3.2 Bluetooth Transmitter, BR (1) PARAMETER MIN 11.7 VBAT < 3 V(3) 7.2 VBAT ≥ 3 V BR RF output power(2) TYP (3) BR gain control range MAX UNIT dBm 30.0 BR power control step dB 5.0 dB BR adjacent channel power |M-N| = 2 –43.0 dBm BR adjacent channel power |M-N| > 2 –48.0 dBm (1) (2) All RF and performance numbers are aligned to the module pin. Values reflect maximum power.
PAGE 15
BDE-BW2837 Datasheet Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module 4.3.5 Bluetooth Modulation, EDR (1) PARAMETER(2) CONDITION EDR carrier frequency stability TYP –5 EDR initial carrier frequency tolerance (3) EDR RMS DEVM ±75 UNIT 5 kHz ±75 kHz 4% 15% EDR3 4% 10% 30% EDR3 EDR peak DEVM MAX EDR2 EDR2 EDR 99% DEVM (1) (2) (3) MIN 20% EDR2 9% 25% EDR3 9% 18% All RF and performance numbers are aligned to the module pin. Performance values reflect maximum power.
PAGE 16
BDE-BW2837 Datasheet Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module 4.4 Bluetooth Low Energy Performance 4.4.1 Receiver Characteristics – In-Band Signals (1) CONDITION(2) PARAMETER Bluetooth low energy operation frequency range MIN TYP 2402 MAX UNIT 2480 MHz Bluetooth low energy channel spacing 2 MHz Bluetooth low energy input impedance 50 Ω Bluetooth low energy sensitivity(3) Dirty TX on –92.
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BDE-BW2837 Datasheet Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module 4.4.4 Bluetooth Low Energy Power Consumption All current measured at output power of 6.5 dBm USE CASE(1) TYP UNIT 131 µA Advertising, discoverable(2) 143 µA Scanning (3) 266 µA Connected, master role, 1.28-s connect interval(4) 124 µA Connected, slave role, 1.28-s connect interval(4) (1) CL1p% PA is connected to VBAT, 3.7 V. 132 µA Advertising, not connectable (2) (3) (4) (2) Advertising in all three channels, 1.
PAGE 18
BDE-BW2837 Datasheet Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module 4. Typical RF Parameters and Power Consumptions Table 5-1. WLAN Performance Parameters WLAN(1) SPECIFICATION (TYP) UNIT Maximum TX power, 5 GHz (OFDM6) 6-Mbps OFDM CONDITIONS 18 dBm Maximum TX power, 2.4 GHz (1DSSS) 1-Mbps DSSS 16.5 dBm Minimum sensitivity, 5 GHz (OFDM6) 6-Mbps OFDM -92.5 dBm Minimum sensitivity, 2.
PAGE 19
BDE-BW2837 Datasheet Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module 5. Power Management 6.1 Internal DC-DCs The device incorporates three internal DC-DCs (switched-mode power supplies) to provide efficient internal supplies, derived from VBAT. Figure 6-1. Internal DC-DCs 6.2 Power-Up and Shut-Down States The correct power-up and shut-down sequences must be followed to avoid damage to the device. While VBAT or V10 or both are de-asserted, no signals should be driven to the device.
PAGE 20
BDE-BW2837 Datasheet Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module Below figure shows the general power scheme for the module, including the power-down sequence. NOTE: 1. Either VBAT or VIO can come up first. 2. VBAT and VIO supplies and slow clock (SCLK), must be stable prior to EN being asserted and at all times when the EN is active. 3. At least 60 IJS is required between two successive device enables.
PAGE 21
BDE-BW2837 Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module Datasheet 6.4 WLAN Power-Up Sequence Figure 6-4. WLAN Power-Up Sequence 6.5 Bluetooth-Bluetooth Low Energy Power-Up Sequence Figure 6-5. Bluetooth-Bluetooth low energy Power-Up Sequence BDE Technology Inc. 21 / 39 info@bdecomm.
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BDE-BW2837 Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module Datasheet 6. WLAN SDIO Transport Layer The SDIO is the host interface for WLAN. The interface between the host and the module uses an SDIO interface and supports a maximum clock rate of 50 MHz. The device SDIO also supports the following features of the SDIO V3 specification:  4-bit data bus  Synchronous and asynchronous in-band interrupt  Default and high-speed (HS, 50 MHz) timing  Sleep and wake commands 7.
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BDE-BW2837 Datasheet Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module Table 7-1 lists the SDIO default timing characteristics. Table 7-1. SDIO Default Rate Timing Characteristics(1) MIN MAX UNIT fclock Clock frequency, CLK(2) 0.0 26.0 MHz DC Low, high duty cycle (2) 40.0% 60.0% tTLH Rise time, CLK (2) 10.0 ns tTHL Fall time, CLK(2) 10.
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BDE-BW2837 Datasheet Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module Table 7-2 lists the SDIO high-rate timing characteristics. Table 7-2. SDIO HS Timing Characteristics fclock Clock frequency, CLK DC Low, high duty cycle tTLH Rise time, CLK MIN MAX UNIT 0.0 52.0 MHz 40.0% 60.0% tTHL Fall time, CLK tISU Setup time, input valid before CLK ↑ 3.0 tIH Hold time, input valid after CLK↑ 2.0 tODLY Delay time, CLK↓ to output valid 7.0 C1 Capacitive load on outputs BDE Technology Inc.
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BDE-BW2837 Datasheet Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module 7. HCI UART Shared-Transport Layers for All Functional Blocks (Except WLAN) The device includes a UART module dedicated to the Bluetooth shared-transport, host controller interface (HCI) transport layer. The HCI transports commands, events, and ACL between the Bluetooth device and its host using HCI data packets ack as a shared transport for all functional blocks except WLAN.
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BDE-BW2837 Datasheet Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module Figure 8-1 shows the UART timing. Figure 8-1. UART Timing Diagram Table 8-3. UART Timing Characteristics PARAMETER CONDITION Baud rate MAX UNIT 37.5 MIN 4364 Kbps 1.5% Baud rate accuracy per byte Receive-transmit -2.5% Baud rate accuracy per bit Receive-transmit -12.5% t3 CTS low to TX_DATA on 0.0 t4 CTS high to TX_DATA off t6 CTS high pulse width 1.0 t1 RTS low to RX_DATA on 0.
PAGE 27
BDE-BW2837 Datasheet Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module 8. Bluetooth Codec-PCM (Audio) Timing Specifications Figure 9-1. Bluetooth Codec-PCM (Audio) Master Timing Diagram Table 9-1. Bluetooth Codec-PCM Master Timing Characteristics PARAMETER Tclk Cycle time MIN MAX 162.76 (6.
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BDE-BW2837 Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module 9. Datasheet Reference Design TBD BDE Technology Inc. 28 / 39 info@bdecomm.
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BDE-BW2837 Dual-Band Industrial Module –Wi-Fi, BT, and BLE Datasheet 10.2 Typical Application Schematic TBD BDE Technology Inc. 29 / 39 info@bdecomm.
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BDE-BW2837 Dual-Band Industrial Module –Wi-Fi, BT, and BLE Datasheet Table 10-1. Bill of Materials ITEM 1 2 DESCRIPTION PART NO. BDE-BW2837 Wi-Fi / Bluetooth module XOSC 3225 / 32.768 kHz / 1.8 V / ±50 ppm 7XZ3200005 3.2 × 2.5 × 1.0 mm 10.0 × 3.2 ×1.5 W3006 4 Mini-RF header receptacle UFL-R-SMT-1 (10) 6 7 8 9 10 11 12 13 SMD Inductor 0402 / 1.8 nH / ±0.1 nH / SMD Inductor 0402 / 2.2 nH / ±0.1 nH / SMD Capacitor 0402 / 1 pF/ 50 V / C0G / ±0.1 pF Capacitor 0402 / 2.4 pF / 50 V / C0G / ±0.
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BDE-BW2837 Dual-Band Industrial Module –Wi-Fi, BT, and BLE ITEM Datasheet DESCRIPTION Supply and Interface 14 The power trace for VBAT must be at least 40-mil wide. 15 The 1.8-V trace must be at least 18-mil wide. 16 Make VBAT traces as wide as possible to ensure reduced inductance and trace resistance. 17 If possible, shield VBAT traces with ground above, below, and beside the traces.
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BDE-BW2837 Dual-Band Industrial Module –Wi-Fi, BT, and BLE 10. Datasheet Baking and SMT Recommendations 11.1 Baking Recommendations     Follow MSL level 3 to perform the baking process. After the bag is open, devices subjected to reflow solder or other high temperature processes must be mounted within 72 hours of factory conditions (< 30°C/60% RH) or stored at <10% RH. If the Humidity Indicator Card reads >10%, devices require baking before they are mounted.
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BDE-BW2837 Dual-Band Industrial Module –Wi-Fi, BT, and BLE 11. Datasheet Mechanical Specifications 12.1 Dimensions The module dimensions are presented in the following figure: Note: All dimensions are in mm. Figure 12-1. Mechanical Drawing 12.2 PCB Footprint The footprint for the PCB is presented in the following figure: Note: All dimensions are in mm. Figure 12-2. Module Footprint Top View BDE Technology Inc. 33 / 39 info@bdecomm.
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BDE-BW2837 Dual-Band Industrial Module –Wi-Fi, BT, and BLE Datasheet 12.3 Marking Figure 12-3. Indicative Module Shield Marking BDE Technology Inc. 34 / 39 info@bdecomm.
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BDE-BW2837 Dual-Band Industrial Module –Wi-Fi, BT, and BLE Datasheet 12. Packaging Information Tape and Reel Information Figure 13-1. Tape Specification Table 13-1. Dimensions for Tape Specification ITEM w E F p Po P2 Do T Ao Bo Ko DIMENSION (mm) 24.00 (±0.30) 1.75 (±0.10) 11.50 (±0.10) 20.00 (±0.10) 4.00 (±0.10) 2.00 (±0.10) 2.00 (±0.10) 0.35 (±0.05) 13.80 (±0.10) 13.80 (±0.10) 2.50 (±0.10) Figure 13-2. Reel Specification Table 13-2.
PAGE 36
BDE-BW2837 Dual-Band Industrial Module –Wi-Fi, BT, and BLE Datasheet FCC Part 15.247, Part 15.407 2.3 Specific operational use conditions This transmitter/module and its antenna(s) must not be co-located or operating in conjunction with any transmitter. This information also extends to the host manufacturer’s instruction manual. 2.4 Limited module procedures Not applicable 2.5 Trace antenna designs It is “not applicable” as trace antenna which is not used on the module. 2.
PAGE 37
BDE-BW2837 Dual-Band Industrial Module –Wi-Fi, BT, and BLE Datasheet of the final host device. The final host device, into which this RF Module is integrated" has to be labeled with an auxiliary label stating the FCC ID of the RF Module, such as "Contains FCC ID: 2ABRU-BW2837 "This device complies with part 15 of the FCC rules.
PAGE 38
BDE-BW2837 Dual-Band Industrial Module –Wi-Fi, BT, and BLE Datasheet IC Statements The final host device, into which this RF Module is integrated" has to be labeled with an auxiliary label stating the IC of the RF Module, such as" Contains transmitter module IC: 25657-BW2837 Le périphériquehôte final, danslequelce module RF estintégré "doitêtreétiqueté avec uneétiquetteauxiliaireindiquant le CI du module RF, tel que" Contient le module émetteur IC: 25657-BW2837 This device contains licence-exempt transmi
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BDE-BW2837 Dual-Band Industrial Module –Wi-Fi, BT, and BLE 14. Datasheet Ordering Information Part Number Size (mm) Core Chip Package MOQ BDE-BW2837 13.3 × 13.4 × 2 WL1837 Tape & Reel 1000 15. Revision History Revision Date Description V0.9 7-Sept-2020 Initial Draft V1.0 5-Oct-2020 Editorial Correction V2.0 12-Apr-2021 Replacement of template Contacts BDE Technology Inc.