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Document MT1503P.A

© Xsens Technologies B.V.

Hardware Integration Manual MTi 1-series

6.3 Electrostatic discharge (ESD)

Electrostatic discharge (ESD) is the sudden and momentary electric current that
flows between two objects at different electrical potentials caused by direct contact
or induced by an electrostatic field. The term is usually used in the electronics and
other industries to describe momentary unwanted currents that may cause
damage to electronic equipment.

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Содержание MTi 1 Series

Страница 1: ...hone 31 0 88 973 67 00 fax 31 0 88 973 67 01 e mail info xsens com internet www xsens com 10557 Jefferson Blvd Suite C CA 90232 Culver City USA phone 310 481 1800 fax 310 416 9044 e mail info xsens co...

Страница 2: ...Xsens Technologies B V All rights reserved Information in this document is subject to change without notice Xsens MVN MotionGrid MTi MTx and Awinda are registered trademarks or trademarks of Xsens Te...

Страница 3: ...7 3 3 GNSS RECEIVER AND BAROMETER INTERFACE 8 3 4 I O PINS 9 3 4 1 Reset 9 3 4 2 SYNC_IN 9 3 5 DNC RESERVED PINS 9 4 DESIGN 10 4 1 PCB LAYOUT 10 4 1 1 Frames of reference used in MTi 1 series 10 4 1...

Страница 4: ...External components I2 C interface 6 Figure 4 Connections SPI interface 7 Figure 5 Connections UART interface full duplex 7 Figure 6 Connections GNSS interface 8 Figure 7 Layout example 10 Figure 8 D...

Страница 5: ...mation about packaging and handling The following symbols are used in this document to highlight important information A warning symbol indicates actions that could damage the module This document app...

Страница 6: ...eries module is connected to all the power supply pins of the sensing elements that are on the MTi 1 series module There is no low dropout regulator LDO on the MTi 1 series Section 2 4 shows the accep...

Страница 7: ...ximum operating voltage ratings of the MTi 1 series Exposure to any voltage beyond maximum operating voltage rating condition for extended periods may affect device reliability and lifetime Table 3 Ma...

Страница 8: ...es modules support inter integrated circuit I2C serial peripheral interface SPI and universal asynchronous receiver transmitter UART protocols for the communication between the MTi 1 series module and...

Страница 9: ...used at a time and this is determined by the state of peripheral selection pins PSEL0 and PSEL1 at start up Table 5 specifies how the PSEL lines select the peripheral interface Note that the module h...

Страница 10: ...in Figure 3 typical value 2 7 k Figure 3 External components I2 C interface The MTi 1 series module acts as an I2C Slave The I2C slave address is determined by the ADD0 ADD1 and ADD2 pins These pins a...

Страница 11: ...s SPI interface 3 2 4 UART For the UART full duplex interface PSEL1 and PSEL0 pins needs to be connected to GND as shown in Figure 5 The UART full duplex communications mode can be used without hardwa...

Страница 12: ...er need to be connected to the AUX_TX AUX_RX and SYNC_PPS pins of the MTi 7 module See Figure 6 for schematic details and Table 7 for interface specifications Table 7 GNSS receiver interface specifica...

Страница 13: ...low Drive this pin with an open drain output or momentary tactile switch to GND During normal operation this pin should be left floating as this line is also used for internal resets This pin has an i...

Страница 14: ...erformance of the MTi 1 series it is recommended to remove all copper planes underneath the MTi 1 series as shown in Figure 7 Figure 7 Layout example 4 1 1 Frames of reference used in MTi 1 series The...

Страница 15: ...series Figure 9 Location origin of measurements 4 2 Mechanical stress In general it is recommended to place the MTi 1 series module in an area on the PCB with minimal mechanical stress The following...

Страница 16: ...of a PCB with four anchor points that gives a maximum stress in the centre of the diagonal crossover Avoid placing the MTi 1 series module in such an area Figure 10 High mechanical stress in diagonal...

Страница 17: ...is best to solder the module directly onto a PCB by a solder reflow process When placed in a socket the module may be subjected to mechanical stress by the springs in the socket which might result in...

Страница 18: ...JEDEC MO 047 Although it is recommended to solder the MTi 1 series module directly onto a PCB it can also be mounted in a compatible PLCC socket e g 8428 21B1 RK of M3 as used on the MTi 1 series Dev...

Страница 19: ...packaging information Tray Dimensions mm Tray packaging information Pin 1 Length X Width Y Height Z Pocket X Pitch Pocket Y Pitch Pocket X Y Array Qty Tray Qty Box 322 60 135 90 7 62 14 65 16 00 12 x...

Страница 20: ...tape mm Reels mm Pin 1 Packing Ao Bo Ko W Po P1 P2 A N C W3 Orientation by quadrant QTY Reel 12 6 12 8 12 6 12 8 2 9 3 10 23 70 24 30 3 90 4 10 15 90 16 10 1 90 2 10 177 80 55 12 80 13 50 23 90 27 40...

Страница 21: ...rint but the component placement can differ between generations Table 9 MTi 1 series module generations Version 1 1 PCB no SM141111 Version 2 0 PCB no SM171223 Figure 14 MTi 1 series v1 1 dimensions a...

Страница 22: ...tween the MTi 1 series module and the printed circuit board PCB it is mounted on The number of times that MEMS components may be reflowed is limited to three times As the IMU is already reflowed once...

Страница 23: ...tic discharge ESD is the sudden and momentary electric current that flows between two objects at different electrical potentials caused by direct contact or induced by an electrostatic field The term...

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