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Ublox MAX-M10S Integration Manual

Standard precision gnss module
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MAX-M10S
Standard precision GNSS module
Integration manual
Abstract
This document describes the features and application of the u-blox MAX-
M10S module, an ultra-low-power standard precision GNSS receiver for
high-performance asset-tracking applications.
www.u-blox.com
UBX-20053088 - R03
C1-Public

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  • Page 1  MAX-M10S Standard precision GNSS module Integration manual Abstract This document describes the features and application of the u-blox MAX- M10S module, an ultra-low-power standard precision GNSS receiver for high-performance asset-tracking applications. www.u-blox.com UBX-20053088 - R03 C1-Public...
  • Page 2 MAX-M10S - Integration manual Document information Title MAX-M10S Subtitle Standard precision GNSS module Document type Integration manual Document number UBX-20053088 Revision and date 12-Jul-2022 Disclosure restriction C1-Public This document applies to the following products: Type number Firmware version IN/PCN reference RN reference MAX-M10S-00B-01 ROM SPG 5.10...

  • Page 3: Table Of Contents

    MAX-M10S - Integration manual Contents 1 System description.......................6 1.1 Overview..............................6 1.2 Architecture..............................6 1.2.1 Block diagram..........................6 1.3 Pin assignment............................7 2 Receiver functionality......................9 2.1 Receiver configuration....................9 2.1.1 Basic receiver configuration......................9 2.1.2 Navigation configuration......................13 2.2 Augmentation systems.....................17 2.2.1 SBAS............................... 18 2.2.2 QZSS SLAS............................19...
  • Page 4 MAX-M10S - Integration manual 2.12 Protection level......................50 2.12.1 Introduction..........................50 2.12.2 Interface............................51 2.12.3 Expected behavior........................52 2.13 Multiple GNSS assistance (MGA)............... 52 2.13.1 Authorization..........................53 2.13.2 Preserving MGA and operational data during power-off........... 53 2.13.3 AssistNow offline........................53 2.13.4 AssistNow autonomous......................56 2.14 Data batching......................59 2.14.1 Introduction..........................59...
  • Page 5 MAX-M10S - Integration manual C.2 Standard resistors.......................... 86 C.3 Inductors............................86 C.4 Operational amplifier........................86 C.5 Open drain buffers.......................... 86 C.6 Antenna supervisor switch transistors..................86 Related documents........................ 87 Revision history........................88 UBX-20053088 - R03 Contents Page 5 of 89   C1-Public...

  • Page 6: System Description

    MAX-M10S - Integration manual 1 System description This section gives an overview of the MAX-M10S receiver, and outlines the basics of operation with the receiver. 1.1 Overview The MAX-M10S module features the u-blox M10 standard precision GNSS platform and provides exceptional sensitivity and acquisition time for all L1 GNSS signals.

  • Page 7: Pin Assignment

    MAX-M10S - Integration manual 1.3 Pin assignment Figure 2: MAX-M10S pin assignment Pin no. Name PIO no. I/O Description Remarks Connect to GND UART TX If not used, leave open. Alternative functions UART RX If not used, leave open. Alternative functions TIMEPULSE...
  • Page 8 To enter safeboot mode, set this pin to low at receiver's startup. Otherwise, leave it open. The SAFEBOOT_N pin is internally connected to TIMEPULSE pin through a 1 kΩ series resistor. Table 1: MAX-M10S pin assignment UBX-20053088 - R03 1 System description Page 8 of 89  ...

  • Page 9: Receiver Functionality

    This section summarizes the basic receiver configuration most commonly used. 2.1.1.1 Basic hardware configuration The MAX-M10S receiver is configured with the default setting during the module production. The receiver starts up and is fully operational as soon as proper power supply, communication interfaces and antenna signal from the host application device are connected.
  • Page 10 The OTP memory configuration is completed. 2.1.1.3 GNSS signal configuration MAX-M10S supports concurrent reception of four major GNSS constellations using the GPS L1C/A, Galileo E1, BeiDou B1C, and GLONASS L1OF signals. BeiDou B1I signal is also supported, but cannot be used simultaneously with BeiDou B1C or GLONASS L1OF signals. The default configuration is concurrent reception of GPS, Galileo and BeiDou B1I with QZSS and SBAS enabled.
  • Page 11 CFG-UART1-*, CFG-UART1INPROT-*, CFG-UART1OUTPROT-* CFG-I2C-*, CFG-I2CINPROT-*, CFG-I2COUTPROT-*, CFG-TXREADY-* Table 3: Interface configuration The UART baudrate in MAX-M10S is configured to 9600 baud which is different to the firmware default. This ensures backwards compatibility with previous generations of u-blox MAX modules. 2.1.1.5 Message output configuration The receiver supports two protocols for output messages: industry-standard NMEA and u-blox UBX.
  • Page 12 MAX-M10S - Integration manual 2.1.1.6 Antenna supervisor configuration This section gives an overview of the antenna supervisor configuration keys. The implementation of the antenna supervisor and a detailed description can be found in Antenna supervisor. The antenna supervisor is used to control an active antenna. The configuration of the antenna supervisor allows the following: •...

  • Page 13: Navigation Configuration

    MAX-M10S - Integration manual ANTSTATUS Description DONTKNOW Antenna power status is not known Table 5: Antenna power status 2.1.2 Navigation configuration This section presents various configuration options related to the navigation engine. These options can be configured through CFG-NAVSPG-* configuration keys. 2.1.2.1 Dynamic platform The dynamic platform model can be configured through the CFG-NAVSPG-DYNMODEL...
  • Page 14 MAX-M10S - Integration manual 2.1.2.2 Navigation input filters The navigation input filters in the CFG-NAVSPG-* configuration group control how the navigation engine handles the input data that comes from the satellite signal. Configuration item Description CFG-NAVSPG-FIXMODE By default, the receiver calculates a 3D position fix if possible but reverts to 2D position if necessary (auto 2D/3D).
  • Page 15 MAX-M10S - Integration manual 2.1.2.4.2 Course over ground low-pass filter The CFG-ODO-OUTLPCOG configuration item activates a course over ground low-pass filter when the speed is below 8 m/s. The output of the course over ground (also named heading of motion 2D) low-pass filter is available in the UBX-NAV-PVT message ( headMot field), UBX-NAV-VELNED...
  • Page 16 MAX-M10S - Integration manual Figure 3: Position output in static hold mode Figure 4: Flowchart of static hold mode UBX-20053088 - R03 2 Receiver functionality Page 16 of 89   C1-Public...
  • Page 17 MAX-M10S - Integration manual 2.1.2.6 Freezing the course over ground If the low-speed course over ground filter is deactivated or inactive (see section Low-speed course over ground filter), the receiver derives the course over ground from the GNSS velocity information. If the velocity cannot be calculated with sufficient accuracy (for example, with bad signals) or if the absolute speed value is very low (under 0.1 m/s) then the course over ground value becomes...

  • Page 18: Augmentation Systems

    SBAS signals can also be used for navigation, however they have low weighting and therefore only a minor impact on the navigation solution. For receiving correction data, the MAX-M10S automatically chooses the best SBAS satellite as its primary source. It will select only one since the information received from other SBAS satellites is redundant and could be inconsistent.

  • Page 19: Qzss Slas

    Multiple QZSS SLAS signals can be received simultaneously. When receiving QZSS SLAS correction data, MAX-M10S module will autonomously select the best QZSS satellite. The selection strategy is determined by the quality of the QZSS L1S signals, the receiver configuration (test mode allowed or not), and the location of the receiver with respect to the QZSS SLAS coverage area.

  • Page 20: Communication Interfaces And Pios

    CPU. Each protocol can be enabled on several interfaces at the same time with individual settings for, for example, baud rate, message rates, and so on. In MAX-M10S, several protocols can be enabled on a single interface the same time.

  • Page 21: I2C

    2.3.2 I2C The I2C protocol and electrical interface in MAX-M10S are fully compatible with Fast-mode of the I2C industry standard. The interface allows communication with an external host CPU or u-blox cellular modules with a maximum transfer rate of 400 kb/s.
  • Page 22 MAX-M10S - Integration manual Figure 6: I2C register layout 2.3.2.2 Read access types The host can choose one of the following two modes: • Random read access: the master first reads the number of available bytes at the 0xFD and 0xFE before accessing the data at 0xFF.
  • Page 23 However, it can be extended by setting the CFG-I2C-EXTENDEDTIMEOUT configuration item to true (see the MAX-M10S interface description [3]). By disabling the timeout, the receiver will only interrupt the data stream when the buffer is full. The buffer can store up to 4 kB and the time for an overflow event depends on the number of messages enabled.

  • Page 24: Pios

    Figure 9: I2C write access 2.3.3 PIOs This section describes the PIOs supported by the MAX-M10S. All the PIOs are supplied by V_IO. So all voltage levels of the PIOs are related to V_IO supply voltage. All the inputs have internal pull-up resistors in normal operation and can be left open if not used.
  • Page 25 EXTINT functionality is only available at the EXTINT pin. 2.3.3.6 TX_READY The MAX-M10S has an internal message buffer for storing bytes to be sent to the host application. TX-ready feature in TX_READY pin enables I2C to have associated signals to indicate that the buffer has bytes to be transmitted.

  • Page 26: Antenna

    An active antenna supervisor circuit uses the ANT_DETECT, ANT_OFF_N, and ANT_SHORT_N signals. The ANT_OFF_N signal is already enabled and assigned to the LNA_EN pin in MAX-M10S. The ANT_DETECT and ANT_SHORT_N signals can be assigned to any unused PIOs, which may require disabling the previous function of the PIOs.
  • Page 27 Figure 10 presents the required three-pin antenna supervisor circuit and subsequent sections describe how to enable and monitor each feature. Figure 10: MAX-M10S three-pin antenna supervisor Table 15 presents a list of the external components required for implementing the three-pin antenna...
  • Page 28 (ANT_OFF_N) and antenna status detection (ANT_SHORT_N). The ANT_OFF_N signal is already enabled and assigned to the LNA_EN pin in MAX-M10S and the ANT_SHORT_N signal can be assigned to any unused PIO, which may require disabling the previous function of the PIO. To enable the reduced antenna supervisor, the ANT_SHORT_N signal must be enabled in the receiver configuration.
  • Page 29 V_ANT is the same voltage level as V_IO. 2.4.1.3 Antenna voltage control - ANT_OFF_N The antenna voltage control is enabled by default in MAX-M10S with the configuration item CFG- HW-ANT_CFG_VOLTCTRL set to true (1). The antenna status (as reported in UBX-MON-RF and UBX-INF-NOTICE messages) is not reported unless the antenna voltage control has been enabled.
  • Page 30 MAX-M10S - Integration manual If CFG-HW-ANT_CFG_PWRDOWN has been enabled previously (set to true), the polarity of the ANT_OFF_N signal will change to power down (disable) the antenna supply when a short is detected. After a detected antenna short, the reported antenna status will continue to be reported as a SHORT.
  • Page 31 MAX-M10S - Integration manual • ANT_DETECT = active high. The pin is default high (PIO pull-up enabled, to be pulled low if the antenna is not detected). Startup message at power-up if the configuration is stored: $GNTXT,01,01,02,ANTSUPERV=AC SD OD PDoS SR*15 $GNTXT,01,01,02,ANTSTATUS=INIT*3B...

  • Page 32: Forcing Receiver Reset

    MAX-M10S - Integration manual changed, it is recommended to save the antenna supervisor configuration to BBR to ensure that the updated configuration is applied after a reset. Configuration keys Physical antenna state Reported antenna status VOLTCTRL SHORTDET OPENDET PWRDOWN RECOVER Short circuit Open circuit...

  • Page 33: Security

    Table 20: Overview of the available reset types 2.6 Security The security concept of MAX-M10S covers the air interface between the receiver and the GNSSsatellites, the integrity of the receiver itself and the interface to the host system. There are functions to monitor/detect certain security threads and report it to the host system.

  • Page 34: Power Save Mode

    MAX-M10S - Integration manual insufficient signals are available during navigation. The tracking engine continuously tracks and downloads all the almanac data and acquires new signals as they become available during navigation. The tracking engine consumes less power than the acquisition engine. The current consumption is lower when a valid position is obtained quickly after the start of the receiver navigation, the entire almanac has been downloaded, and the ephemeris for each satellite in view is valid.
  • Page 35 MAX-M10S - Integration manual Figure 12: State machine 2.7.2.2 Acquisition timeout The receiver has internal, external, and user-configurable mechanisms that determine the time to be spent in acquisition state. This logic is put in place to ensure good performance and low power consumption in different environments and scenarios. This collective logic is referred to as acquisition timeout.
  • Page 36 MAX-M10S - Integration manual 2.7.2.3 Cyclic tracking Power save mode cyclic tracking (PSMCT) operation is described in Figure PSMCT supports 1 Hz and 2 Hz navigation update rates. In addition, longer update periods from 2 s to 10 s are supported at 1 s steps.
  • Page 37 MAX-M10S - Integration manual • If it is able to acquire a valid position fix (one passing the navigation output filters) within the time given by the Acquisition timeout, it switches to the "Tracking" state and the ONTIME starts. Otherwise it enters the "Inactive for search" state and restarts after the configured search period (minus a startup margin).
  • Page 38 MAX-M10S - Integration manual 2.7.2.6 Configuration Power save mode (PSM) is enabled and disabled with CFG-PM-OPERATEMODE and configured with items in the CFG-PM group listed in Table When using power save mode on/off (PSMOO) operation, set the OPERATEMODE as the last PSM configuration key to prevent the receiver entering the off state before all intended PSM configuration keys are set.
  • Page 39 MAX-M10S - Integration manual MINACQTIME The receiver tries to obtain a position fix for at least the time given by MINACQTIME. If the receiver determines that it needs more time for the given starting conditions then it will automatically prolong this time. If MINACQTIME is set to zero, the receiver determines the time.

  • Page 40: Backup Modes

    The receiver maintains time information and navigation data to speed up the receiver restart after backup or standby mode. MAX-M10S supports two backup modes: hardware backup mode and software standby mode. 2.7.3.1 Hardware backup mode The hardware backup mode allows entering a backup state and resuming operation by switching the power supplies on and off.

  • Page 41: Gnss Time Bases

    MAX-M10S - Integration manual drive many of the receiver's processes. In particular, the measurement of satellite signals is arranged to be synchronized with the "ticking" of this 1-kHz clock signal. When the receiver first starts, it has no information about how these clock ticks relate to other time systems;...

  • Page 42: Navigation Epochs

    MAX-M10S - Integration manual Time reference Message GPS time UBX-NAV-TIMEGPS BeiDou time UBX-NAV-TIMEBDS GLONASS time UBX-NAV-TIMEGLO Galileo time UBX-NAV-TIMEGAL QZSS time UBX-NAV-TIMEQZSS UTC time UBX-NAV-TIMEUTC Table 22: GNSS time messages 2.8.3 Navigation epochs Each navigation solution is triggered by the tick of the 1-kHz clock nearest to the desired navigation solution time.

  • Page 43: Time Validity

    MAX-M10S - Integration manual Note that iTOW values may not be valid (i.e. they may have been generated with insufficient conversion data) and therefore it is not recommended to use the iTOW field for any other purpose. The original designers of GPS chose to express time/date as an integer week number (starting with the first full week in January 1980) and a time of week (often abbreviated...

  • Page 44: Leap Seconds

    MAX-M10S - Integration manual match the corresponding values in NMEA messages generated by the same navigation epoch. This facilitates simple synchronization between associated UBX and NMEA messages. The seventh field is called nano and it contains the number of nanoseconds by which the rest of the time and date fields need to be corrected to get the precise time.

  • Page 45: Time Mark

    MAX-M10S - Integration manual zero. Consequently, the information in GPS L1 message does not differentiate between, for example, 1980, 1999, or 2019. GPS L1 receivers must thus use additional methods to calculate the full week number. Although BeiDou and Galileo have similar representations of time, they still transmit sufficient bits for the week number to be unambiguous for the foreseeable future (the first ambiguity will...

  • Page 46: Time Pulse

    MAX-M10S - Integration manual Figure 15: Time mark 2.10 Time pulse The receiver includes a time pulse feature providing clock pulses with configurable duration and frequency. The time pulse function can be configured using the CFG-TP-* configuration group. The UBX-TIM-TP message provides time information for the next pulse and the time source.

  • Page 47: Recommendations

    MAX-M10S - Integration manual Figure 16: Time pulse 2.10.1 Recommendations • The time pulse can be aligned to a wide variety of GNSS times or to variants of UTC derived from them (see the time bases section). However, it is strongly recommended that the choice...

  • Page 48: Time Pulse Configuration

    MAX-M10S - Integration manual Figure 17: Time pulse and TIM-TP 2.10.2 Time pulse configuration The time pulse (TIMEPULSE) signal has configurable pulse period, length and polarity (rising or falling edge). It is possible to define different signal behavior (i.e. output frequency and pulse length) depending on whether or not the receiver is locked to reliable time source.

  • Page 49: Time Maintenance

    MAX-M10S - Integration manual The high and the low period of the output cannot be less than 50 ns, otherwise pulses can be lost. 2.10.2.1 Example The example below shows the 1PPS TIMEPULSE signal generated on the time pulse output according to the specific parameters of the CFG-TP-* configuration group: •...

  • Page 50: Frequency Assistance

    MAX-M10S - Integration manual delays so the accuracy of the supplied time is poor. Accuracy of the supplied time can be improved greatly if the host system has a very good sense of the current time and can deliver an exactly timed pulse to the EXTINT pin.

  • Page 51: Interface

    MAX-M10S - Integration manual Figure 19: PL bounding true position error 2.12.2 Interface The protection level bounds the true position error with a target misleading information risk (TMIR), for example 5[%MI/epoch] (read: 5% probability of having an MI per epoch). The target misleading...

  • Page 52: Expected Behavior

    MAX-M10S - Integration manual conditions. These conditions tend to be binary in nature, such as jamming has been detected, or the minimum number of satellites is being observed. UBX-NAV-PL reports a PL validity flag (see UBX- NAV-PL.plPosValid), which indicates whether the PL is usable. .

  • Page 53: Authorization

    UBX messages reported to the host; these messages can be stored by the host and then sent back to the receiver when it has been restarted. See the description of the UBX-MGA-DBD messages in the MAX-M10S interface description [3] for more information. 2.13.3 AssistNow offline AssistNow Offline is a feature that combines special firmware in u-blox receivers and a proprietary...
  • Page 54 900 separate messages, taking up around 70 kb which would not fit into the available BBR memory in the receiver, and thus an external flash memory is required (not available in MAX-M10S). AssistNow Offline can also be used where the receiver has no flash storage. In this case, the host system must store the AssistNow Offline data until the receiver needs it and then upload only the...
  • Page 55 Similarly, where a receiver has effective non-volatile storage, the last known position will be recalled, but if this is not the case, then providing a position estimate via one of the UBX-MGA-INI-POS_XYZ or UBX-MGA-INI-POS_LLH messages will improve the TTFF (details can be found in the MAX-M10S interface description [3].

  • Page 56: Assistnow Autonomous

    MAX-M10S - Integration manual 2.13.3.3.1 Host-based procedure The typical sequence for host-based AssistNow Offline is as follows: • The host downloads a copy of the latest data from the AssistNow Offline service and stores it locally. • Optionally it may also download a current set of almanac data from the AssistNow Online service.
  • Page 57 Orbit information of each GLONASS satellite must be collected at least for four hours to generate data. Flash memory is not available in MAX-M10S. 2.13.4.2 Interface Several UBX protocol messages provide interfaces to the AssistNow Autonomous feature: •...
  • Page 58 MAX-M10S - Integration manual • The UBX-NAV-AOPSTATUS message provides information on the current state of the AssistNow Autonomous subsystem. The status indicates whether the AssistNow Autonomous subsystem is currently idle (or not enabled) or busy generating data or orbits. Hosts should monitor this information and only power off the receiver when the subsystem is idle (that is, when the status field shows a steady zero).

  • Page 59: Data Batching

    MAX-M10S - Integration manual satellites) repeats every 24 hours. Hence, when the receiver «learned» about a number of satellites at some point in time, the same satellites will in most places not be visible 12 hours later, and the available AssistNow Autonomous data will not be of any help. However, after another 12 hours, usable data would be available because it was generated 24 hours ago.

  • Page 60: Retrieval

    MAX-M10S - Integration manual The RAM available in the chip limits the size of the buffer. To make the best use of the available space, users can select what data they want to batch. When batching is enabled, a basic set of data is stored and the configuration flags EXTRAPVT and EXTRAODO can be used to store more...

  • Page 61: Cloudlocate Measurements

    MAX-M10S - Integration manual calculate the receiver position. This data is then provided to the customer enterprise cloud for further use. The receiver starts to collect measurements as soon as it finds any satellite signals. It does not need to wait for a position fix for this. Collecting the measurements takes only a short time, so the application can quickly turn off...

  • Page 62: Hardware Integration

    These are listed in Supply design examples. Refer to the MAX-M10S data sheet [1] for absolute maximum ratings, operating conditions, and power requirements. 3.1.1 VCC VCC provides power to the core and RF domains. Consequently, it always needs to be supplied to start up the receiver or for operation in continuous mode.

  • Page 63: Supply Design Examples

    MAX-M10S - Integration manual Avoid high resistance on the V_BCKP line. During the switch to V_BCKP supply, a short current adjustment peak may cause a high voltage drop at the pin. If the hardware backup mode is not used, leave the V_BCKP pin open.

  • Page 64: Rf Interference

    MAX-M10S - Integration manual Figure 23: VCC and V_IO supplied by separate supplies, and external power supply at V_BCKP Figure 24: VCC and V_IO supplied by separate supplies. No external power supply at V_BCKP. 3.2 RF interference The received GNSS signal power at the antenna is very low compared to other wireless communication signals.

  • Page 65: Spectrum Analyzer

    The sections Out-of-band blocking immunity Out-of-band rejection provide more information about the RF immunity of the MAX-M10S module and how to mitigate such interference. 3.2.3 Spectrum analyzer The UBX-MON-SPAN message can be enabled in u-center to provide a low-resolution spectrum analyzer sufficient to identify noise or jammers in the reception band.

  • Page 66: Rf Front-End

    3.3.1 Internal LNA modes The internal LNA in MAX-M10S has three operating modes: normal gain, low gain and bypass mode. • By default, the internal LNA is configured for the low-gain mode for optimized sensitivity and immunity against RF interference.

  • Page 67: Out-Of-Band Blocking Immunity

    Internal LNA mode configuration for more information. Refer to the MAX-M10S data sheet [1] for RF parameters and power consumption for the internal LNA modes. 3.3.2 Out-of-band blocking immunity Out-of-band RF interference may degrade the quality and availability of the navigation solution.

  • Page 68: Out-Of-Band Rejection

    MAX-M10S - Integration manual Figure 26: MAX-M10S out-of-band immunity level at 400 - 1460 MHz and 1710 - 3300 MHz for the low-gain mode (default). Table 30 shows tabulated values for out-of-band immunity at selected cellular and Wi-Fi frequencies. Parameter Frequency (MHz)

  • Page 69: Antenna Power Supply

    MAX-M10S - Integration manual RF interference from other parts of the design is more difficult to estimate. One option is to measure the interference level at the receiver input using a spectrum analyzer. Interference within the design is primarily a problem at the receiver in-band, where it cannot be addressed by filtering on the RF path.

  • Page 70: Package Footprint, Copper And Solder Mask

    High temperature drift and air vents can affect the GNSS performance. For best performance, avoid high temperature drift and air vents near the module. 3.4.1 Package footprint, copper and solder mask Figure 29 shows the dimensions of the MAX-M10S form factor. UBX-20053088 - R03 3 Hardware integration Page 70 of 89  ...
  • Page 71 MAX-M10S - Integration manual Figure 29: MAX-M10S mechanical dimensions MAX form factor is 10.1 x 9.7 x 2.5 mm. All pins have 1.1 mm pitch and are 0.8 mm wide, except the 4 pads at each corner (pin 1, 9, 10, and 18) that are only 0.7 mm.
  • Page 72 MAX-M10S - Integration manual Figure 30: Recommended copper land and solder mask opening for MAX-M10S To improve the wetting of the half vias, reduce the amount of solder paste under the module and increase it outside of the module by defining the dimensions of the paste mask to form a T-shape (or equivalent) extending beyond the copper mask.

  • Page 73: Product Handling

    (tip). 4.1.2 Safety precautions The MAX-M10S must be supplied by an external limited power source in compliance with the clause 2.5 of the standard IEC 60950-1. In addition to external limited power source, only Separated or Safety Extra-Low Voltage (SELV) circuits are to be connected to the module including interfaces and antennas.

  • Page 74: Packaging

    For more information, see the u-blox packaging information reference [4]. 4.2.1 Reels MAX-M10S modules are deliverable in quantities of 500 pieces on a reel. They are shipped on reel type B, as specified in the u-blox Packaging information reference [4]. 4.2.2 Tapes Figure 32 shows the feed direction and illustrates the orientation of the components on the tape.

  • Page 75: Moisture Sensitivity Level

    MAX-M10S - Integration manual Figure 33: Tape dimensions (mm) 4.2.3 Moisture sensitivity level The moisture sensitivity level (MSL) for MAX-M10S modules is specified in the table below. Package MSL level LCC (professional grade) Table 31: MSL level For MSL standard see IPC/JEDEC J-STD-020, and J-STD-033 that can be downloaded from www.jedec.org.
  • Page 76 MAX-M10S - Integration manual • Stencil: The exact geometry, distances, stencil thicknesses and solder paste volumes must be adapted to the customer's specific production processes. See section Package footprint, copper and solder mask for details. Reflow soldering A convection-type soldering oven is highly recommended over the infrared-type radiation oven.
  • Page 77 MAX-M10S - Integration manual Figure 34: Soldering profile Modules must not be soldered with a damp heat process. Optical inspection After soldering the module, consider optical inspection. Cleaning Do not clean with water, solvent, or ultrasonic cleaner: • Cleaning with water will lead to capillary effects where water is absorbed into the gap between the baseboard and the module.
  • Page 78 MAX-M10S - Integration manual We do not recommend using a hot air gun because it is an uncontrolled process and can damage the module. Use of a hot air gun can lead to overheating and severely damage the module. Always avoid overheating the module.

  • Page 79: Appendix

    GNSS orbit data cleared The internal LNA mode of the receiver can be configured to low gain and bypass modes because the MAX-M10S module has an LNA on the RF path. This allows flexible optimization of the receiver performance and power consumption with respect to the selected RF front-end/antenna.
  • Page 80 IO output pin or adjust the load accordingly. Table 32: MAX-M10S hardware features compared to MAX-M8 modules Migrating from MAX-M8W to MAX-M10S requires special care and may require some re-design because pin 13 and pin 15 are different as shown in Figure 35.

  • Page 81: B Reference Designs

    MAX-M10S - Integration manual Table 33 presents a summary of the key software-related changes between MAX-M10S and MAX- M8 modules, as well as required actions during migration. Feature Change Action needed / Remarks Default GNSS config MAX-M10S: GPS, Galileo, BeiDou B1I, QZSS and SBAS.
  • Page 82 39. Nevertheless, the internal LNA provides enough gain for passive antennas. • MAX-M10S has an internal SAW filter and no additional RF front-end components are needed. However, in cellular applications, an external SAW filter can be added in front of RF_IN as shown...

  • Page 83: Antenna Supervisor Designs

    This is especially useful when MAX-M10S is used in cellular applications. • An active antenna can be supplied with the VCC_RF output from MAX-M10S or from an external supply. VCC_RF is a filtered output voltage supply, which outputs VCC - 0.1 V. In addition, the active antenna supply can be turned on/off...
  • Page 84 MAX-M10S - Integration manual Figure 38: 2-pin antenna supervisor design The 2-pin antenna supervisor configuration required for the Figure 38 reference design is listed in Table Configuration key Value CFG-HW-ANT_CFG_VOLTCTRL 1 (true), default (no configuration required) CFG-HW-ANT_SUP_SWITCH_PIN 7, default (no configuration required)

  • Page 85: C External Components

    C External components This section lists the recommended values for the external components in the reference designs. C.1 Standard capacitors Table 36 presents the recommended capacitor values for MAX-M10S. Name Type / Value RF Bias-T capacitor 10 nF, 10%, 16 V, X7R...

  • Page 86: Standard Resistors

    DC block 47 pF, 5%, 25 V, C0G Table 36: Standard capacitors C.2 Standard resistors Table 37 presents the recommended resistor values for MAX-M10S. Name Type / Value Antenna supervisor voltage divider 560 Ω, 5%, 0.1 W Antenna supervisor voltage divider 100 kΩ, 5%, 0.1 W...

  • Page 87: Related Documents

    MAX-M10S - Integration manual Related documents MAX-M10S Data sheet, UBX-20035208 u-blox M10 SPG 5.10 Release notes, UBX-22001426 u-blox M10 SPG 5.10 Interface description, UBX-21035062 u-blox Packaging information reference, UBX-14001652 For regular updates to u-blox documentation and to receive product change notifications please register on our homepage https://www.u-blox.com.

  • Page 88: Revision History

    Added migration section. 12-Jul-2022 imar, jesk, New product type number MAX-M10S-00B-01 with ROM SPG 5.10 firmware. Product status is available in the data sheet [1]. oola, rmak Updates: pin assignment, receiver configuration, PIOs, power save modes, power supplies, RF front-end, migration, and reference designs sections.
  • Page 89 MAX-M10S - Integration manual Contact For further support and contact information, visit us at www.u-blox.com/support. UBX-20053088 - R03 Page 89 of 89   C1-Public...

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