Related Manuals for Quectel AF51Y
Summary of Contents for Quectel AF51Y
- Page 1 AF51Y Hardware Design Wi-Fi&Bluetooth Module Series Version: 1.0.1 Date: 2021-07-19 Status: Preliminary...
- Page 2 To the maximum extent permitted by law, Quectel excludes all liability for any loss or damage suffered in connection with the use of the functions and features under development, regardless of whether such loss or damage may have been foreseeable.
- Page 3 Wi-Fi&Bluetooth Module Series Copyright The information contained here is proprietary technical information of Quectel. Transmitting, reproducing, disseminating and editing this document as well as using the content without permission are forbidden. Offenders will be held liable for payment of damages. All rights are reserved in the event of a patent grant or registration of a utility model or design.
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Page 4: Safety Information
Manufacturers of the cellular terminal should notify users and operating personnel of the following safety information by incorporating these guidelines into all manuals of the product. Otherwise, Quectel assumes no liability for customers’ failure to comply with these precautions. -
Page 5: About The Document
Wi-Fi&Bluetooth Module Series About the Document Revision History Revision Date Author Description Wilson PAN/ 2020-12-22 Creation of the document Lucas HUANG Wilson PAN/ 1.0.0 2020-12-24 Preliminary Lucas HUANG Preliminary: Updated Bluetooth 5.1 to Bluetooth 5.2. Added Time Sequence (Chapter 3.4.1). Updated RF Performances (Chapter 4.5) Updated data of transmitting power in Key Features (Table 2). -
Page 6: Table Of Contents
Wi-Fi&Bluetooth Module Series Contents Safety Information ............................3 About the Document ..........................4 Contents ..............................5 Table Index ..............................7 Figure Index ..............................8 Introduction ............................9 1.1. Special Mark ..........................9 Product Concept ..........................10 2.1. General Description ......................... 10 2.2. - Page 7 Wi-Fi&Bluetooth Module Series 4.1. General Description ......................... 32 4.2. Electrical Characteristics ......................32 4.3. I/O Interface Characteristics ....................33 4.4. Current Consumption ....................... 34 4.5. RF Performances ........................35 4.5.1. Conducted RF Output Power ..................35 4.5.2. Conducted RF Receiving Sensitivity ................36 4.6.
- Page 8 Wi-Fi&Bluetooth Module Series Table Index Table 1: Special Mark ........................... 9 Table 2: Key Features ..........................10 Table 3: I/O Parameters Definition ......................15 Table 4: Pin Description ..........................15 Table 5: Definition of Power Supply and GND Pins ................... 18 Table 6: Pin Definition of WLAN_EN ......................
- Page 9 Wi-Fi&Bluetooth Module Series Figure Index Figure 1: Functional Diagram of AF51Y Module ..................12 Figure 2: Pin Assignment (Top View) ......................14 Figure 3: Time Sequence ........................... 19 Figure 4: WLAN Interface Connection ....................... 19 Figure 5: PCIe Interface Connection ......................21 Figure 6: Block Diagram of Bluetooth Interface Connection ..............
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Page 10: Introduction
Wi-Fi&Bluetooth Module Series Introduction This document, describing AF51Y module and its air interface and hardware interfaces connected to your applications, informs you of the interface specifications, electrical and mechanical details, as well as other related information of the module. With the application notes and user guides provided separately, you can easily use the module to design and set up mobile applications. -
Page 11: Product Concept
Product Concept 2.1. General Description AF51Y is an automotive grade Wi-Fi and Bluetooth module with low power consumption. It is a single-die WLAN (Wireless Local Area Network) and Bluetooth combo solution, complying with IEEE 802.11a/b/g/n/ac 2.4 GHz & 5 GHz WLAN standards and Bluetooth 5.2 standard, which enables seamless integration of WLAN and Bluetooth Low Energy technologies. - Page 12 Wi-Fi&Bluetooth Module Series ⚫ IEEE 802.11a/b/g/n/ac Protocol Features ⚫ Bluetooth 5.2 Operation Mode AP, STA Modulation CCK, BPSK, QPSK, 16QAM, 64QAM, 256QAM WLAN Interface PCIe Bluetooth Interface UART and PCM ⚫ Wi-Fi&Bluetooth antenna interfaces Antenna Interfaces ⚫ 50 Ω impedance ⚫...
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Page 13: Functional Diagram
Figure 1: Functional Diagram of AF51Y Module 2.4. Evaluation Board In order to help you develop applications with AF51Y module conveniently, Quectel supplies the evaluation board (EVB), USB to RS232 converter cable, USB data cable, power adapter, antenna and other peripherals to control or test the module. For more details, see document [1]. -
Page 14: Application Interfaces
Wi-Fi&Bluetooth Module Series Application Interfaces 3.1. General Description AF51Y module is equipped with 108 LGA pins that can be connected to the cellular application platform. The subsequent chapters will provide a detailed introduction to the following interfaces and pins of the module: ⚫... -
Page 15: Pin Assignment
Wi-Fi&Bluetooth Module Series 3.2. Pin Assignment BT_DBG_T PCM_SYNC BT_DBG_R PCM_DOUT WLAN_DBG PCM_DIN _RXD WLAN_DBG PCM_CLK _TXD RESERVED BT_RTS VDD_PA BT_CTS VDD_PA BT_RXD VDD_PA BT_TXD RESERVED RESERVED RESERVED RESERVED HOST_WAK RESERVED EUP_BT RESERVED RESERVED BT_WAKEU RESERVED P_HOST COEX_RXD RESERVED COEX_TXD RESERVED WLAN_SLP VDD_IO _CLK... -
Page 16: Pin Description
Wi-Fi&Bluetooth Module Series NOTE Keep all RESERVED pins open. 3.3. Pin Description The following tables show the pin description of AF51Y module. Table 3: I/O Parameters Definition Type Description Analog Input Analog Output Analog Input/Output Digital Input Digital Output Digital Input/Output... - Page 17 Wi-Fi&Bluetooth Module Series Pin Name Pin No. Description Comment 1.8 V power domain. WLAN_EN WLAN enable control Active high. PCIe reference clock PCIE_REFCLK_P PCIe reference clock PCIE_REFCLK_M PCIE_TX_P PCIe transmit (+) Require differential impedance of 100 Ω. PCIE_TX_M PCIe transmit (-) PCIE_RX_P PCIe receive (+) PCIE_RX_M...
- Page 18 Wi-Fi&Bluetooth Module Series Bluetooth UART BT_RXD 1.8 V power domain receive Bluetooth debug UART 1.8 V power domain. BT_DBG_TXD transmit If unused, keep this pin open. Bluetooth debug UART 1.8 V power domain. BT_DBG_RXD receive If unused, keep this pin open. Control Signal Pins* Pin Name...
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Page 19: Power Supply
79, 80, 81, 82 NOTE Please keep all RESERVED and unused pins open. 3.4. Power Supply The following table shows the power supply pins and ground pins of AF51Y module. Table 5: Definition of Power Supply and GND Pins Pin Name Pin No. -
Page 20: Power On And Off Scenarios
VDD_IO VDD_CORE VDD_PA WLAN_EN/BT_EN PCIE_CLK_REQ_N PCIE_RST_L Figure 3: Time Sequence 3.5. WLAN Application Interface The following figure shows the WLAN application interface connection between AF51Y and host. PCIe Interface PCIe Interface HOST AF51Y WLAN_EN WLAN_EN Figure 4: WLAN Interface Connection... -
Page 21: Wlan_En
Wi-Fi&Bluetooth Module Series 3.5.1. WLAN_EN WLAN_EN is used to control the WLAN function of AF51Y module. WLAN function will be enabled when WLAN_EN is at high level. Table 6: Pin Definition of WLAN_EN Pin Name Pin No. Description Comment WLAN_EN... - Page 22 In order to ensure the signal integrity of PCIe interface, C3 and C4 should be placed close to the host module, and C5 and C6 should be placed close to the AF51Y module. The extra stubs of traces must be as short as possible.
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Page 23: Bluetooth Application Interface
The following figure shows the block diagram of Bluetooth interface connection between AF51Y and the host. If Bluetooth function of AF51Y module is used, the UART and PCM interfaces of AF51Y must be connected to that of the host. UART... -
Page 24: Uart Interface
Wi-Fi&Bluetooth Module Series PCM_CLK PCM clock 1.8 V power domain PCM_DOUT PCM data output 1.8 V power domain The following figure shows the PCM interface connection between AF51Y and the host. PCM_CLK PCM_CLK PCM_SYNC PCM_SYNC AF51Y HOST PCM_DOUT PCM_IN PCM_DIN... -
Page 25: Control Signal Pins
Wi-Fi&Bluetooth Module Series The following figure shows the reference design for UART interface connection between AF51Y and the host. BT_TXD BT_UART_RXD BT_RXD BT_UART_TXD HOST AF51Y BT_RTS BT_UART_CTS BT_CTS BT_UART_RTS Figure 8: UART Interface Connection 3.7. Control Signal Pins* 3.7.1. HOST_WAKEUP_BT and BT_WAKEUP_HOST... -
Page 26: Coexistence Interfaces
If unused, keep this pin COEX_RXD receive open. AF51Y module supports LTE & WLAN coexistence and LTE & Bluetooth coexistence. The following figure shows the UART coexistence interface connection between AF51Y and AG52xR series and AG55xQ series modules. COEX_TXD COEX_UART_RXD... -
Page 27: Rf Antenna Interfaces
2.402–2.480 3.10.2. Reference Design of RF Antenna Interfaces AF51Y module provides three RF antenna interfaces for antenna connection. A reference circuit design for an RF antenna interface is shown below. It is recommended to reserve a π-type and notch matching circuit for better RF performance, and the π-type matching components (C3, C4, and R1) and the notch (C1, C2, L1 and L2) should be placed as... -
Page 28: Reference Design Of Rf Layout
Wi-Fi&Bluetooth Module Series RF_ANT AF51Y Figure 10: Reference Circuit for RF Antenna Interfaces 3.10.3. Reference Design of RF Layout For user’s PCB, the characteristic impedance of all RF traces should be controlled to 50 Ω. The impedance of the RF traces is usually determined by the trace width (W), the materials’ dielectric constant, the height from the reference ground to the signal layer (H), and the spacing between RF traces and grounds (S). - Page 29 Wi-Fi&Bluetooth Module Series Figure 13: Coplanar Waveguide Design on a 4-layer PCB (Layer 3 as Reference Ground) Figure 14: Coplanar Waveguide Design on a 4-layer PCB (Layer 4 as Reference Ground) In order to ensure RF performance and reliability, the following principles should be complied with in RF layout design: ⚫...
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Page 30: Antenna Requirements
Wi-Fi&Bluetooth Module Series For more details about RF layout, see document [2]. 3.10.4. Antenna Requirements The following tables show the requirements on antenna cables and antennas. Table 16: Antenna Cable Requirements Type Requirements 2.400–2.4835 GHz Cable insertion loss: <1 dB 5.150–5.850 GHz Cable insertion loss: <1 dB Table 17: Antenna Requirements... -
Page 31: Recommended Rf Connector For Antenna Installation
Wi-Fi&Bluetooth Module Series 3.10.5. Recommended RF Connector for Antenna Installation If RF connector is used for antenna connection, it is recommended to use U.FL-R-SMT connector provided by Hirose. Figure 15: Dimensions of the U.FL-R-SMT Connector (Unit: mm) U.FL-LP serial connectors listed in the following figure can be used to match the U.FL-R-SMT. Figure 16: Mechanicals of UF.L-LP Connectors (Unit: mm) AF51Y_Hardware_Design 30 / 47... - Page 32 Wi-Fi&Bluetooth Module Series The following figure describes the space factor of mated connector Figure 17: Space Factor of Mated Connector (Unit: mm) For more details, please visit http://www.hirose.com. AF51Y_Hardware_Design 31 / 47...
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Page 33: Reliability, Radio And Electrical Characteristic
Wi-Fi&Bluetooth Module Series Reliability, Radio and Electrical Characteristic 4.1. General Description This chapter mainly introduces electrical and radio frequency characteristics of AF51Y module. The details are listed in the subsequent chapters. 4.2. Electrical Characteristics Table 18: Absolute Maximum Ratings Parameter Min. -
Page 34: I/O Interface Characteristics
Wi-Fi&Bluetooth Module Series The following table shows the recommended operating conditions of AF51Y module. Table 19: Recommended Operating Conditions Parameter Min. Typ. Max. Unit 1.71 1.89 VDD_CORE 2.09 2.31 VDD_PA VDD_IO 1.62 1.98 4.3. I/O Interface Characteristics The following table shows the general DC electrical characteristics over recommended operating conditions (unless otherwise specified). -
Page 35: Current Consumption
Wi-Fi&Bluetooth Module Series 4.4. Current Consumption Table 21: Current Consumption of the Module (Low Power Modes) Conditions Unit VDD_CORE VDD_IO VDD_PA AT+QWIFI=0 AT+QWIFI=1 Table 22: Current Consumption of the Module (Normal Operation) Description Conditions Unit VDD_CORE VDD_IO VDD_PA TX 1 Mbps 296.51 4.51 483.47... -
Page 36: Rf Performances
4.74 434.39 TX VHT80 MCS9 380.91 4.37 161.64 4.5. RF Performances The following tables summarize the transmitting and receiving performances of AF51Y. 4.5.1. Conducted RF Output Power Table 23: Conducted RF Output Power at BT Frequency Min. Typ. Unit Classic Table 24: Conducted RF Output Power at 2.4 GHz... -
Page 37: Conducted Rf Receiving Sensitivity
Wi-Fi&Bluetooth Module Series 802.11n, HT20 @ MCS0 13.5 15.5 802.11n, HT40 @ MCS0 802.11ac, VHT20 @ MCS0 13.5 15.5 802.11ac, VHT40 @ MCS0 802.11ac, VHT80 @ MCS0 12.5 14.5 4.5.2. Conducted RF Receiving Sensitivity Table 26: Conducted RF Receiving Sensitivity at 2.4 GHz Frequency Receiving Sensitivity (Typ.) 802.11b, 1 Mbps... -
Page 38: Electrostatic Discharge
Wi-Fi&Bluetooth Module Series 802.11n, HT40, MCS0 87 dBm 802.11n, HT40, MCS7 70 dBm 802.11ac, VHT20, MCS0 90 dBm 802.11ac, VHT20, MCS8 68 dBm 802.11ac, VHT40, MCS0 87 dBm 802.11ac, VHT40, MCS9 64 dBm 802.11ac, VHT80, MCS0 84 dBm 802.11ac, VHT80, MCS9 60 dBm 4.6. -
Page 39: Mechanical Dimensions
Wi-Fi&Bluetooth Module Series Mechanical Dimensions This chapter describes the mechanical dimensions of AF51Y module. All dimensions are measured in millimeter (mm), and the dimensional tolerances are ±0.2 mm unless otherwise specified. 5.1. Mechanical Dimensions of the Module Figure 18: AF51Y Top and Side Dimensions... - Page 40 Wi-Fi&Bluetooth Module Series Figure 19: AF51Y Bottom Dimension (Bottom View) NOTE The package warpage level of the module conforms to the JEITA ED-7306 standard. AF51Y_Hardware_Design 39 / 47...
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Page 41: Recommended Footprint
Wi-Fi&Bluetooth Module Series 5.2. Recommended Footprint Figure 20: Recommended Footprint (Bottom View) NOTE 1. For easy maintenance of the module, keep about 3 mm between the module and other components on the motherboard. 2. Keep all RESERVED pins open. AF51Y_Hardware_Design 40 / 47... -
Page 42: Top And Bottom Views Of The Module
Figure 21: Top & Bottom Views of the Module NOTE Images above are for illustration purpose only and may differ from the actual module. For authentic appearance and label, please refer to the module received from Quectel. AF51Y_Hardware_Design 41 / 47... -
Page 43: Storage, Manufacturing And Packaging
Wi-Fi&Bluetooth Module Series Storage, Manufacturing and Packaging 6.1. Storage The module is provided with vacuum-sealed packaging. MSL of the module is rated as 3. The storage requirements are shown below. 1. Recommended Storage Condition: The temperature should be 23 ±5 °C and the relative humidity should be 35–60 %. -
Page 44: Manufacturing And Soldering
Wi-Fi&Bluetooth Module Series NOTE 1. To avoid blistering, layer separation and other soldering issues, extended exposure of the module to the air is forbidden. 2. Take out the module from the package and put it on high-temperature-resistant fixtures before baking. All modules must be soldered to PCB within 24 hours after the baking, otherwise put them in the drying oven. -
Page 45: Packaging
6.3. Packaging AF51Y module is packaged in a vacuum-sealed bag which is ESD protected. The bag should not be opened until the devices are ready to be soldered onto the application. AF51Y is packaged in tape and reel carriers. - Page 46 Wi-Fi&Bluetooth Module Series Table 29: Reel Packaging Model Name MOQ for MP Minimum Package: TBD Minimum Package TBD Size: TBD Size: TBD AF51Y N.W: TBD N.W: TBD G.W: TBD G.W: TBD AF51Y_Hardware_Design 45 / 47...
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Page 47: Worning
Important Note notice that any deviation(s) from the defined parameters of the antenna trace, as described by the instructions, require that the host product manufacturer must notify to Quectel Wireless Solutions Co., Ltd.. that they wish to change the antenna trace design. In this case, a Class II permissive change application is required to be filed by the USI, or the host manufacturer can take responsibility through the change in FCC ID (new application) procedure followed by a Class II permissive change application. -
Page 48: Fcc Statement
Wi-Fi&Bluetooth Module Series Antenna Installation (1) The antenna must be installed such that 20 cm is maintained between the antenna and users, (2) The transmitter module may not be co-located with any other transmitter or antenna. (3) Only antennas of the same type and with equal or less gains as shown below may be used with this module. -
Page 49: Ic Statement
Wi-Fi&Bluetooth Module Series This device is intended only for OEM integrators under the following conditions: (For module device use) 1) The antenna must be installed such that 20 cm is maintained between the antenna and users, and 2) The transmitter module may not be co-located with any other transmitter or antenna. As long as 2 conditions above are met, further transmitter test will not be required. -
Page 50: Appendix References
Wi-Fi&Bluetooth Module Series Appendix References Table 30: Related Documents Document Name [1] Quectel_V2X&5G_EVB_User_Guide [2] Quectel_RF_Layout_Application_Note [3] Quectel_Module_Secondary_SMT_User_Guide Table 31: Terms and Abbreviations Abbreviation Description Access Point BPSK Binary Phase Shift Keying Bluetooth Bluetooth Complementary Code Keying Clear To Send Electrostatic Discharge Ground High Throughput IEEE... - Page 51 Wi-Fi&Bluetooth Module Series Mbps Megabits per second Modulation and Coding Scheme Minimum Order Quantity Printed Circuit Board Pulse Code Modulation Quadrature Amplitude Modulation QPSK Quadrature Phase Shift Keying Radio Frequency RoHS Restriction of Hazardous Substances Request To Send To Be Determined Transmit UART Universal Asynchronous Receiver/Transmitter...