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6.5 PCB Pad Design

We recommend a non-solder mask with defined (NSMD) type for the solder pads of

the PCB on which IMA2 modules will be mounted. This type of design enables high

soldering reliability during the SMT process.

We recommend not placing via or micro-via that is not covered by solder resistance

within 0.3 mm around the pads unless it carries the same signal of the pad itself.

Refer to the following figure.

Only blind holes are allowed in the pad. Through holes are not allowed.

Содержание IMA2 Series

Страница 1: ...Normal Internal Use Confidential Restricted Confidential 1 36 User Manual Project Name IMA2 Series Author Wistron NeWeb Corporation Revision 1 2 Revision Date 2020 06 03...

Страница 2: ...n Technical Support Website https supportiot wnc com tw Company Website www wnc com tw Revision History Rev Author Summary of Changes Date 1 0 WNC Draft release 2020 05 11 1 1 WNC Update design guide...

Страница 3: ...WITHOUT PRIOR WRITTEN PERMISSION FROM WNC LIMITATION OF LIABILITY THIS DOCUMENT AND THE INFORMATION CONTAINED HEREIN IS PURELY FOR DESIGN REFERENCE AND SUBJECT TO REVISION BY WNC AT ANY TIME NOTHING...

Страница 4: ...Part 15 Subpart B or emissions are complaint with the transmitter s rule s End Product Labeling When the module is installed in the host device the FCC ID label must be visible through a window on th...

Страница 5: ...interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful inte...

Страница 6: ...eils radio exempts de licence L exploitation est autoris e aux deux conditions suivantes 1 L appareil ne doit pas produire de brouillage 2 L appareil doit accepter tout brouillage radio lec CAN ICES 3...

Страница 7: ...pecifications 16 3 1 Power Supply 16 3 2 Power Consumption 16 3 3 Control Interfaces 17 3 3 1 Power On Signal 17 3 3 2 Wake Up Interface TBD 17 3 3 3 Reset Signal 17 3 4 UART Interface 17 3 5 UIM Inte...

Страница 8: ...fidential Restricted Confidential 8 36 6 1 Power Trace Design 28 6 2 RF Pad Design 29 6 3 RF Matching Guide 31 6 4 Mounting Considerations TBD 31 6 5 PCB Pad Design 34 6 6 LTE Power Saving Mode 35 7 0...

Страница 9: ...1 850 1 910 1 930 1 990 LTE Band 4 1 710 1 755 2 110 2 155 LTE Band 12 699 716 729 746 Table 1 1 Band support Two SKUs are defined according to GNSS support capacity refer to Table 1 2 for details Mo...

Страница 10: ...w Figure 1 1 IMA2 series block diagram Standards compliance 3GPP Release 13 compliant software upgradable to Release 14 PHY Category M1 Up to 300 Kbps DL 375 Kbps UL HD FDD duplexing support Power sav...

Страница 11: ...erating and storage conditions are defined in the table below Condition Temperature Range Remark Normal ambient operating temp range 20 C to 60 C Fully functional and complies with 3GPP specifications...

Страница 12: ...Manual Normal Internal Use Confidential Restricted Confidential 12 36 2 Pin Definitions 2 1 LGA Module Pin Diagram The IMA2 LGA module pin layout is illustrated below Figure 2 1 IMA2 LGA module pin la...

Страница 13: ...eceiver 22 GND Ground 23 GND Ground 24 GND Ground 37 Power Power 38 Power Power 39 Power Power 40 Power Power 41 Power Power 42 Power Power 43 PMU_VBACKUP Power Input for Real Time Clock 44 GND Ground...

Страница 14: ...IO08 GNSS external LNA enable General purpose input output 133 UIM_VCC SIM card power 134 UIM DATA SIM card data line 135 UIM CLK SIM card clock line 136 UIM RESET SIM card reset line 137 UIM DETECT S...

Страница 15: ...GND Ground 220 NA NA 221 NA NA 222 NA NA 223 NA NA Table 2 1 IMA2 module pin definitions Notes 1 Leave pin 142 floating the module can turn on automatically when a power supply exists 2 Pin 144 can be...

Страница 16: ...consumption of the IMA2 for reference Working Mode Conditions Result Power saving mode Floor current 1 7uA LTE Band 2 working mode Max Tx power without throughput Power voltage 3 8 V average current 1...

Страница 17: ...2 Wake Up Interface TBD 3 3 3 Reset Signal The Reset Signal is a hardware reset signal to control the system reset directly You can connect it to a key or a control signal Reserve a 100k resistor to...

Страница 18: ...placing a 0 1 F and a 33 pF capacitor between UIM_VCC and the Ground in parallel We also recommend placing a 33 pF capacitor between UIM_RESET UIM_CLK and UIM_DATA and the Ground in parallel Refer to...

Страница 19: ...rameter Drive Strength Min Nom Max Unit VIL Input Low Voltage 0 3 VIO V VIH Input High Voltage 0 7 VIO V VOL Output Low Voltage 0 2 VIO V VOH Output High Voltage 0 8 VIO VH Input Hysteresis 0 1 VIO V...

Страница 20: ...via the 50 traces to the main board Main antenna pad Pin15 RX TX path RF GNSS pad Pin21 GNSS RX path 3 9 1 Bandwidth Support Band Bandwidth 1 4 MHz 3 MHz 5 MHz 10 MHz 15 MHz 20 MHz LTE Band 2 LTE Ban...

Страница 21: ...3 Table 3 7 Conductive Rx sensitivity 3GPP Notes 1 The RF receiver specification is defined at the LGA pad 2 Compliant with 3GPP test standards 3 9 4 RF GNSS Receiver Specifications Test Items Parame...

Страница 22: ...anical Information 4 1 Physical Dimensions Physical dimensions are illustrated in Figure 4 1 and Figure 4 2 below Figure 4 1 Top view Figure 4 2 Right view Note The tolerance of top view dimensions is...

Страница 23: ...Product User Manual Normal Internal Use Confidential Restricted Confidential 23 36 Figure 4 3 PIN dimensions bottom view...

Страница 24: ...ion TBD The IMA2 series module label is illustrated below P N Variable for the specific customer S N Variable unique for each module IMEI Variable unique for each module FCC TBD IC TBD If customers re...

Страница 25: ...Manual Normal Internal Use Confidential Restricted Confidential 25 36 5 Packing Information TBD 5 1 Tape and Reel Package The module is delivered in tape and reel packaging based on MPQ 500 pcs reel 4...

Страница 26: ...ual Normal Internal Use Confidential Restricted Confidential 26 36 5 2 Single Packaging for Samples Samples are packaged at 50 pcs box There is no vacuum packaging Samples must be baked for 8 hours at...

Страница 27: ...Product User Manual Normal Internal Use Confidential Restricted Confidential 27 36 5 3 MSL level The IMA2 module MSL level is 3...

Страница 28: ...place the capacitors as close to the power pins as possible Power trace should possess sufficient line width to withstand its respective current listed in the table below Net Name Peak Current Value f...

Страница 29: ...are included below Layer 2 has the same exclusion area as Layer 1 Figure 6 1 Sample RF pad layout The RF trace between RF pads and antenna should as shorter as possible with 50ohm characteristic imped...

Страница 30: ...Product User Manual Normal Internal Use Confidential Restricted Confidential 30 36 The RF trace of the test board which was used in the FCC test is defined as below...

Страница 31: ...rnal Use Confidential Restricted Confidential 31 36 6 3 RF Matching Guide Figure 6 2 RF matching guide 6 4 Mounting Considerations TBD This section details the recommended reflow profile when the modu...

Страница 32: ...Product User Manual Normal Internal Use Confidential Restricted Confidential 32 36...

Страница 33: ...Product User Manual Normal Internal Use Confidential Restricted Confidential 33 36 Process limit...

Страница 34: ...ch IMA2 modules will be mounted This type of design enables high soldering reliability during the SMT process We recommend not placing via or micro via that is not covered by solder resistance within...

Страница 35: ...ring of the product The product must be supplied with a stabilized voltage source and the wiring must conform to relevant security and fire prevention regulations This product must be handled with car...

Страница 36: ...ose input output I O Input output IoT Internet of Things I2C Inter integrated circuit LGA Land grid array LTE Long Term Evolution N A Not applicable OS Operating system PIN Personal identification num...

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