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EVK-M8BZOE User Guide

UBX-17053592 - R03

Early Production Information

Board assembly

Page 25 of 33

PART

DESCRIPTION

C1 C3 C4 C6 C9 C18 C20 C21
C22 C23 C26 C27 C34 C35 C37

CAP CER X5R 0402 TY 1U0 10% 6.3V

C2 C16 C31 C33

CAP CER X7R 0402 100N 10% 16V -55/+125C

C7 C8 C14

CAP CER COG 0402 47P 5% 25V

C10 C11 C13

CAP CER X7R 0402 1N0 10% 50V

C12

CAP CER COG 0402 1P8 +/-0.1P 25V

C15

CAP ELECTRIC DOUBLE LAYER THT PANASONIC SERIES SG 1F 30% 5.5V

C24 C25 C28 C29 C30

CAP CER X7R 0603 100N 10% 10V

C32

CAP CER X5R 0402 4U7 20% 6.3V

D1 D2 D4 D5 D6 D8 D10 D11 D12
D13 D16

VARISTOR BOURNS MLE SERIES CG0402MLE-18G 18V

D3 D7 D14 D15

SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER SS14 1A -55/+125C

D9 D18

ESD PROTECTION FOR HIGH SPEED LINES, TYCO, 0.25PF, PESD0402-140 -55/+125C

D17

USB DATA LINE PROTECTION ST USBLC6-2SC6 SOT23-6

DS1

LED OSRAM HYPER MINI TOPLED LB M673-L1N2-35 BLUE 0.02A

FB2

FERRITE BEAD MURATA BLM15HD 0402 1000R@100MHZ

2-ROWS TH-PCB SOCKET 100MIL GRID 20PINS 0.64MM SQUARE 8.5MM

CON USB RECEPTACLE MICRO B TYPE SMD - MOLEX 47346-0001 - TID60001597 30V 1A

J3 J11

CON SMA THT RIGHT ANGLE JACK

J4 J6 J7

CON 2-ROWS THT 100MIL GRID 4PINS 0.64MM SQUARE 6.1MM HEIGHT

J5 J10 J12

CON 1-ROW THT 100MIL GRID 2PINS 0.64MM SQUARE 6.1MM HEIGHT

1-ROWS TH-PCB SOCKETS 100MIL GRID 2PINS 0.64MM SQUARE POLARIZE

9 POLE SUBD CONNECTOR FEMALE

IND MURATA LQW15A 0402 120N 5% 0.11A -55/+125C

IND MURATA LQW15A 0402 8N7 3% 0.54A -55/+125C

MBT3906DW1T1G DUAL GENERAL PURPOSE TRANSISTOR 0.2A 0.15W -40/+125C

RES THICK FILM CHIP 1206 10R 5% 0.25W

RES THICK FILM CHIP 0201 220R 5% 0.05W

R3 R15

RES THICK FILM CHIP 0402 CURRENT SENSE 1R 1% 1.1V -55/+125C

RES THICK FILM CHIP 0402 470R 5% 0.1W

RES THICK FILM CHIP 0402 2K2 5% 0.1W

RES THICK FILM CHIP 0402 100K 5% 0.1W

RES THICK FILM CHIP 0402 1K5 5% 0.1W

R10

RES THICK FILM CHIP 0402 220R 5% 0.1W

R11 R12 R17 R26 R27

RES THICK FILM CHIP 0603 100K 5% 0.1W

R13

RES THICK FILM CHIP 0603 100PPM PRO KELVIN 100R 1% 75V 0.1W -55/+125C

R14 R18

RES THICK FILM CHIP 0402 0R 0 0.1W

R16

RES THICK FILM CHIP 0402 100R 5% 0.1W

R20

RES THICK FILM CHIP 0201 4K7 1% 0.05W

2 WAY SUB-MINIATURE SLIDE SWITCH SMD JS SERIES - SPDT -40/+85C

Содержание EVK-M8BZOE

Страница 1: ...uide Abstract This document describes the structure and use of the EVK M8BZOE evaluation kit and provides information for evaluating and testing the u blox ZOE M8B ultra small super low power GNSS SiP...

Страница 2: ...at www u blox com within Support Product Resources Conformity Declaration This document applies to the following products Product name Type number Hardware Version ROM FLASH version PCN reference EVK...

Страница 3: ...SHORT CIRCUIT OF THE BATTERY WHEN TOUCHING IT WITH CONDUCTING PARTS IN THE UNLIKELY EVENT OF A FAILURE IN THE INTERNAL PROTECTION CIRCUITRY THERE IS A RISK OF AN EXPLOSION WHEN CHARGING FULLY OR PART...

Страница 4: ...tions 8 2 1 Safety precautions 8 3 Getting Started 9 3 1 Software installation 9 3 2 Hardware installation 9 3 3 Interface default configuration 10 4 Device description 11 4 1 Power supply 11 4 1 1 5V...

Страница 5: ...es 18 6 Measuring current consumption 20 6 1 Basic measurements with the shunt resistors 20 6 1 1 ZOE M8B VCC current 21 6 1 2 ZOE M8B V_BCKP current 22 6 1 3 ZOE M8B optional Flash and logic current...

Страница 6: ...ntenna o 2 SMA connectors one for simulator use case one for external active antenna use case Populated optional flash o Configuration can be saved permanently o Logging can be done o AssistNow TM Off...

Страница 7: ...8B Data Sheet 1 the ZOE M8B System Integration Manual 2 and the u blox 8 u blox M8 Receiver Description including Protocol Specification 3 1 4 u center GNSS evaluation software The installation softwa...

Страница 8: ...icro USB connector or external powered via extra power supply pin 2 V5_IN and pin 18 GND on digital connector Normal Operating temperature 20 C to 70 C Table 2 EVK M8BZOE specification 2 1 Safety prec...

Страница 9: ...Bridge of the EVK are available from Microsoft Windows Update service The Windows system driver search mechanism can download and install the USB drivers automatically from Microsoft Windows Update s...

Страница 10: ...to pin 2 and GND to pin 18 4 Connect the active antenna to the Active Active antenna input or the simulator to the Passive input Simulator input 5 Start the u center GNSS Evaluation Software and selec...

Страница 11: ...per capacitor is 1 F and provides backup power over a 100 shunt resistor to the ZOE M8B V_BCKP When this 1 F capacitor is fully charged to 3 3 V it can provide backup power for about 35 hours t C U I...

Страница 12: ...serial data from EVK 5 GND 6 8 9 not connected Table 4 SUB D9 Connector pin description for EVK M8BZOE If the RS 232 interface is used the device must be powered either by USB cable or by the digital...

Страница 13: ...Page 13 of 33 Figure 2 GNSS signal inputs Do not use both GNSS inputs at the same time Either use the passive simulator input or use the active antenna input Figure 3 EVK M8BZOE schematic of GNSS inpu...

Страница 14: ...consider to use a DC block 4 3 1 Simulator input At Simulator input there is an external LNA U12 used in front of ZOE M8B to show optimal GNSS performance This allows verifying datasheet values of ZO...

Страница 15: ...istNow TM Offline and AssistNow TM Autonomous data 4 6 RESET_N and SAFEBOOT_N RESET_N and SAFEBOOT_N are available on jumpers J5 and J10 as well as on digital connector J1 see section 4 4 for more inf...

Страница 16: ...for Super E mode except where users have very specific power saving requirements When selecting a mode using CFG PMS always save the configuration by checking the save configuration box in u center ot...

Страница 17: ...umption Additional power savings up to 15 20 can be achieved with the power save setting but at the expense of position accuracy Use first UBX CFG PMS to select the power mode followed by UBX CFG PM2...

Страница 18: ...igure 6 The default constellations used by the receiver are GPS GLONASS and QZSS The constellations used can be selected with the UBX CFG GNSS message shown in Figure 7 Depending on region it may be b...

Страница 19: ...Early Production Information Testing Super E mode Page 19 of 33 Figure 7 Constellations used can be selected with UBX CFG GNSS message For absolute lowest power applications current consumption can b...

Страница 20: ...suring the ZOE M8B VCC current On the EVK M8BZOE there is a 1 8 V LDO supplying the ZOE M8B main supply VCC At the input of that LDO is a 1 current measurement shunt resistor placed in between J7 pin...

Страница 21: ...o Average current consumption from power on to first fix will give you the Acquisition current consumption as mentioned in the ZOE M8B Data Sheet 1 o After the first fix the receiver continues to ope...

Страница 22: ...shunt resistor in the V_BCKP supply 2 Disconnect the main supply 3 Read the voltage on the voltmeter and convert to current 1 mV equals 10 uA See Figure 10 for an example where 0 0016 V is measured b...

Страница 23: ...ower supply and Gold Capacitor J6 and J7 removed The LDOs are supplied by separate external power supplies The jumpers for normal shunt resistor use have been disconnected and the power is supplied to...

Страница 24: ...E User Guide UBX 17053592 R03 Early Production Information Board assembly Page 24 of 33 7 Board assembly Figure 12 shows the EVK M8BZOE assembly See Table 6 for the component list Figure 12 EVK M8BZOE...

Страница 25: ...2 CON USB RECEPTACLE MICRO B TYPE SMD MOLEX 47346 0001 TID60001597 30V 1A J3 J11 CON SMA THT RIGHT ANGLE JACK J4 J6 J7 CON 2 ROWS THT 100MIL GRID 4PINS 0 64MM SQUARE 6 1MM HEIGHT J5 J10 J12 CON 1 ROW...

Страница 26: ...5C U8 16MBIT SERIAL QUAD I O SPI FLASH MEMORY 1 65 3 6V 3 6V 40 85C U9 RS 232 TRANSCEIVER 1MBIT 3 5 5VOLT TRSF3223 VQFN20 5 5V 5 5V 40 85C U10 SINGLE CHIP USB TO UART BRIDGE 5V 0 1A 40 85C U12 LOW NOI...

Страница 27: ...BZOE User Guide UBX 17053592 R03 Early Production Information Schematic Page 27 of 33 8 Schematic Figure 13 Schematic EVK M8BZOE Version C page 1 of 2 DNI TRUE in the schematic means Component not ins...

Страница 28: ...EVK M8BZOE User Guide UBX 17053592 R03 Early Production Information Schematic Page 28 of 33 Figure 14 Schematic EVK M8BZOE Version C page 2 of 2 DNI TRUE in the schematic means Component not installed...

Страница 29: ...serial port enumerator serenum sys resulting in erratic mouse cursor activity This typically happens if the GNSS receiver sends NMEA data at startup of PC Thus ensure the EVK is not connected to PC wh...

Страница 30: ...mulator the user can change scenarios which enables jumping backwards in time This can have serious side effects on the performance of GNSS receivers The solution is to configure GPS week rollover to...

Страница 31: ...The position of the GNSS receiver is typically not the same between two tests Comparative tests should therefore be conducted in parallel by using one antenna and a signal splitter statistical tests...

Страница 32: ...u No UBX 17013022 6 Information technology equipment Safety Standard IEC 60950 1 https webstore iec ch publication 4024 For regular updates to u blox documentation and to receive product change notifi...

Страница 33: ...om Support support_ap u blox com Regional Office China Beijing Phone 86 10 68 133 545 E mail info_cn u blox com Support support_cn u blox com Regional Office China Chongqing Phone 86 23 6815 1588 E ma...

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