| EESchema Schematic File Version 4 |
| EELAYER 30 0 |
| EELAYER END |
| $Descr A4 11693 8268 |
| encoding utf-8 |
| Sheet 4 7 |
| Title "icE1usb - GPS" |
| Date "2020-08-26" |
| Rev "1.0" |
| Comp "" |
| Comment1 "CERN-OHL-S" |
| Comment2 "(C) 2020 Sylvain Munaut" |
| Comment3 "" |
| Comment4 "" |
| $EndDescr |
| $Comp |
| L RF_GPS:MAX-M8W U? |
| U 1 1 5F27F978 |
| P 4000 3800 |
| AR Path="/5F27F978" Ref="U?" Part="1" |
| AR Path="/5F27E0F4/5F27F978" Ref="U8" Part="1" |
| F 0 "U8" H 3500 3100 50 0000 C CNN |
| F 1 "MAX-M8W" H 3600 3000 50 0000 C CNN |
| F 2 "s47-misc:ublox_MAX" H 4400 3150 50 0001 C CNN |
| F 3 "https://www.u-blox.com/sites/default/files/MAX-M8-FW3_DataSheet_%28UBX-15031506%29.pdf" H 4000 3800 50 0001 C CNN |
| 1 4000 3800 |
| -1 0 0 -1 |
| $EndComp |
| $Comp |
| L power:GND #PWR046 |
| U 1 1 5F2E5DB9 |
| P 4000 4600 |
| F 0 "#PWR046" H 4000 4350 50 0001 C CNN |
| F 1 "GND" H 4005 4427 50 0000 C CNN |
| F 2 "" H 4000 4600 50 0001 C CNN |
| F 3 "" H 4000 4600 50 0001 C CNN |
| 1 4000 4600 |
| 1 0 0 -1 |
| $EndComp |
| Wire Wire Line |
| 4000 4500 4000 4600 |
| Text HLabel 1500 3800 0 50 Input ~ 0 |
| RF |
| Wire Wire Line |
| 1500 3800 2000 3800 |
| Text HLabel 5500 3700 2 50 BiDi ~ 0 |
| i2c_sda |
| Text HLabel 5500 3800 2 50 BiDi ~ 0 |
| i2c_scl |
| Text HLabel 5500 4200 2 50 Input ~ 0 |
| ~reset |
| Text HLabel 5500 5000 2 50 Output ~ 0 |
| pps |
| Wire Wire Line |
| 5500 3500 5300 3500 |
| Wire Wire Line |
| 5500 3600 5300 3600 |
| Wire Wire Line |
| 5500 3700 5300 3700 |
| Wire Wire Line |
| 5500 3800 5300 3800 |
| Wire Wire Line |
| 5500 4200 4600 4200 |
| Wire Wire Line |
| 3400 4100 3200 4100 |
| Wire Wire Line |
| 3200 4100 3200 5000 |
| Wire Wire Line |
| 3200 5000 5500 5000 |
| $Comp |
| L Device:C_Small C23 |
| U 1 1 5F3311E6 |
| P 4700 2500 |
| F 0 "C23" H 4792 2546 50 0000 L CNN |
| F 1 "100n" H 4792 2455 50 0000 L CNN |
| F 2 "Capacitor_SMD:C_0603_1608Metric" H 4700 2500 50 0001 C CNN |
| F 3 "~" H 4700 2500 50 0001 C CNN |
| 1 4700 2500 |
| 1 0 0 -1 |
| $EndComp |
| $Comp |
| L Device:L_Small L1 |
| U 1 1 5F334BA8 |
| P 2800 3500 |
| F 0 "L1" H 2848 3546 50 0000 L CNN |
| F 1 "47n" H 2848 3455 50 0000 L CNN |
| F 2 "Inductor_SMD:L_0402_1005Metric" H 2800 3500 50 0001 C CNN |
| F 3 "~" H 2800 3500 50 0001 C CNN |
| F 4 "Murata LQW15AN47NG00D" H 2800 3500 50 0001 C CNN "MPN" |
| 1 2800 3500 |
| 1 0 0 -1 |
| $EndComp |
| Wire Wire Line |
| 2800 3600 2800 3800 |
| Connection ~ 2800 3800 |
| Wire Wire Line |
| 2800 3800 3400 3800 |
| $Comp |
| L power:+3V3 #PWR047 |
| U 1 1 5F336762 |
| P 4200 2200 |
| F 0 "#PWR047" H 4200 2050 50 0001 C CNN |
| F 1 "+3V3" H 4215 2373 50 0000 C CNN |
| F 2 "" H 4200 2200 50 0001 C CNN |
| F 3 "" H 4200 2200 50 0001 C CNN |
| 1 4200 2200 |
| 1 0 0 -1 |
| $EndComp |
| Wire Wire Line |
| 4200 2200 4200 2300 |
| $Comp |
| L Device:C_Small C24 |
| U 1 1 5F337095 |
| P 5000 2500 |
| F 0 "C24" H 5092 2546 50 0000 L CNN |
| F 1 "1u" H 5092 2455 50 0000 L CNN |
| F 2 "Capacitor_SMD:C_0603_1608Metric" H 5000 2500 50 0001 C CNN |
| F 3 "~" H 5000 2500 50 0001 C CNN |
| 1 5000 2500 |
| 1 0 0 -1 |
| $EndComp |
| Wire Wire Line |
| 4200 2300 4400 2300 |
| Wire Wire Line |
| 5000 2300 5000 2400 |
| Connection ~ 4200 2300 |
| Wire Wire Line |
| 4200 2300 4200 3000 |
| Wire Wire Line |
| 4700 2300 4700 2400 |
| Connection ~ 4700 2300 |
| Wire Wire Line |
| 4700 2300 5000 2300 |
| $Comp |
| L Device:C_Small C22 |
| U 1 1 5F337E6D |
| P 4400 2500 |
| F 0 "C22" H 4492 2546 50 0000 L CNN |
| F 1 "100n" H 4492 2455 50 0000 L CNN |
| F 2 "Capacitor_SMD:C_0603_1608Metric" H 4400 2500 50 0001 C CNN |
| F 3 "~" H 4400 2500 50 0001 C CNN |
| 1 4400 2500 |
| 1 0 0 -1 |
| $EndComp |
| Wire Wire Line |
| 4400 2300 4400 2400 |
| Connection ~ 4400 2300 |
| Wire Wire Line |
| 4400 2300 4700 2300 |
| Wire Wire Line |
| 4100 3100 4100 3000 |
| Wire Wire Line |
| 4100 3000 4200 3000 |
| Connection ~ 4200 3000 |
| Wire Wire Line |
| 4200 3000 4200 3100 |
| $Comp |
| L power:GND #PWR048 |
| U 1 1 5F33D588 |
| P 4400 2700 |
| F 0 "#PWR048" H 4400 2450 50 0001 C CNN |
| F 1 "GND" H 4405 2527 50 0000 C CNN |
| F 2 "" H 4400 2700 50 0001 C CNN |
| F 3 "" H 4400 2700 50 0001 C CNN |
| 1 4400 2700 |
| 1 0 0 -1 |
| $EndComp |
| $Comp |
| L power:GND #PWR049 |
| U 1 1 5F33DC6F |
| P 4700 2700 |
| F 0 "#PWR049" H 4700 2450 50 0001 C CNN |
| F 1 "GND" H 4705 2527 50 0000 C CNN |
| F 2 "" H 4700 2700 50 0001 C CNN |
| F 3 "" H 4700 2700 50 0001 C CNN |
| 1 4700 2700 |
| 1 0 0 -1 |
| $EndComp |
| $Comp |
| L power:GND #PWR050 |
| U 1 1 5F33DD47 |
| P 5000 2700 |
| F 0 "#PWR050" H 5000 2450 50 0001 C CNN |
| F 1 "GND" H 5005 2527 50 0000 C CNN |
| F 2 "" H 5000 2700 50 0001 C CNN |
| F 3 "" H 5000 2700 50 0001 C CNN |
| 1 5000 2700 |
| 1 0 0 -1 |
| $EndComp |
| Wire Wire Line |
| 5000 2600 5000 2700 |
| Wire Wire Line |
| 4700 2600 4700 2700 |
| Wire Wire Line |
| 4400 2600 4400 2700 |
| NoConn ~ 4600 4000 |
| NoConn ~ 4600 4100 |
| $Comp |
| L Device:R_Small R18 |
| U 1 1 5F33F9B7 |
| P 3800 2500 |
| F 0 "R18" H 3859 2591 50 0000 L CNN |
| F 1 "10R" H 3859 2500 50 0000 L CNN |
| F 2 "Resistor_SMD:R_0603_1608Metric" H 3800 2500 50 0001 C CNN |
| F 3 "~" H 3800 2500 50 0001 C CNN |
| F 4 "DNP" H 3859 2409 50 0000 L CNN "DNP" |
| 1 3800 2500 |
| -1 0 0 -1 |
| $EndComp |
| $Comp |
| L Device:C_Small C21 |
| U 1 1 5F33FEBE |
| P 3500 2500 |
| F 0 "C21" H 3408 2409 50 0000 R CNN |
| F 1 "100n" H 3408 2500 50 0000 R CNN |
| F 2 "Capacitor_SMD:C_0603_1608Metric" H 3500 2500 50 0001 C CNN |
| F 3 "~" H 3500 2500 50 0001 C CNN |
| F 4 "DNP" H 3408 2591 50 0000 R CNN "DNP" |
| 1 3500 2500 |
| 1 0 0 1 |
| $EndComp |
| $Comp |
| L power:GND #PWR045 |
| U 1 1 5F341049 |
| P 3500 2700 |
| F 0 "#PWR045" H 3500 2450 50 0001 C CNN |
| F 1 "GND" H 3505 2527 50 0000 C CNN |
| F 2 "" H 3500 2700 50 0001 C CNN |
| F 3 "" H 3500 2700 50 0001 C CNN |
| 1 3500 2700 |
| 1 0 0 -1 |
| $EndComp |
| Wire Wire Line |
| 3800 3000 3800 3100 |
| Wire Wire Line |
| 2800 3000 2800 3400 |
| Wire Wire Line |
| 3500 2600 3500 2700 |
| Wire Wire Line |
| 3800 3000 3800 2600 |
| Connection ~ 3800 3000 |
| Wire Wire Line |
| 3900 3100 3900 2300 |
| Wire Wire Line |
| 3900 2300 3800 2300 |
| Wire Wire Line |
| 3800 2300 3800 2400 |
| Wire Wire Line |
| 3800 2300 3500 2300 |
| Wire Wire Line |
| 3500 2300 3500 2400 |
| Connection ~ 3800 2300 |
| Wire Wire Line |
| 2800 3000 3800 3000 |
| Text Notes 2100 2800 0 50 ~ 0 |
| For M8W:\n - Place C & R between\n Vcc_RF and V_ant\n\nFor ATGM336H:\n - Place the bias inductor\n |
| $Comp |
| L Device:Battery_Cell BT1 |
| U 1 1 5F34DAE6 |
| P 8000 4200 |
| F 0 "BT1" H 7883 4341 50 0000 R CNN |
| F 1 "VL-1220/VCN" H 7883 4250 50 0000 R CNN |
| F 2 "Battery:Battery_Panasonic_CR1220-VCN_Vertical_CircularHoles" V 8000 4260 50 0001 C CNN |
| F 3 "~" V 8000 4260 50 0001 C CNN |
| F 4 "DNP" H 7883 4159 50 0000 R CNN "DNP" |
| 1 8000 4200 |
| 1 0 0 -1 |
| $EndComp |
| $Comp |
| L power:GND #PWR052 |
| U 1 1 5F34E154 |
| P 8000 4400 |
| F 0 "#PWR052" H 8000 4150 50 0001 C CNN |
| F 1 "GND" H 8005 4227 50 0000 C CNN |
| F 2 "" H 8000 4400 50 0001 C CNN |
| F 3 "" H 8000 4400 50 0001 C CNN |
| 1 8000 4400 |
| 1 0 0 -1 |
| $EndComp |
| $Comp |
| L Device:Jumper_NC_Small JP1 |
| U 1 1 5F34E744 |
| P 7800 3500 |
| F 0 "JP1" H 7800 3712 50 0000 C CNN |
| F 1 "BatBypass" H 7800 3621 50 0000 C CNN |
| F 2 "s47-misc:J_NC_0603_30" H 7800 3500 50 0001 C CNN |
| F 3 "~" H 7800 3500 50 0001 C CNN |
| 1 7800 3500 |
| 1 0 0 -1 |
| $EndComp |
| Wire Wire Line |
| 8000 4300 8000 4400 |
| Wire Wire Line |
| 8000 4000 8000 3900 |
| Wire Wire Line |
| 8000 3900 8300 3900 |
| Wire Wire Line |
| 4000 2300 4000 3100 |
| Text Label 4000 2300 3 50 ~ 0 |
| vbackup |
| Text Label 8900 3900 2 50 ~ 0 |
| vbackup |
| $Comp |
| L power:+3V3 #PWR051 |
| U 1 1 5F35197E |
| P 7000 3300 |
| F 0 "#PWR051" H 7000 3150 50 0001 C CNN |
| F 1 "+3V3" H 7015 3473 50 0000 C CNN |
| F 2 "" H 7000 3300 50 0001 C CNN |
| F 3 "" H 7000 3300 50 0001 C CNN |
| 1 7000 3300 |
| 1 0 0 -1 |
| $EndComp |
| $Comp |
| L Device:C_Small C25 |
| U 1 1 5F3521E0 |
| P 8300 4200 |
| F 0 "C25" H 8392 4246 50 0000 L CNN |
| F 1 "100n" H 8392 4155 50 0000 L CNN |
| F 2 "Capacitor_SMD:C_0603_1608Metric" H 8300 4200 50 0001 C CNN |
| F 3 "~" H 8300 4200 50 0001 C CNN |
| 1 8300 4200 |
| 1 0 0 -1 |
| $EndComp |
| Wire Wire Line |
| 8300 3900 8300 4100 |
| Connection ~ 8300 3900 |
| Wire Wire Line |
| 8300 3900 8900 3900 |
| $Comp |
| L power:GND #PWR053 |
| U 1 1 5F353C3F |
| P 8300 4400 |
| F 0 "#PWR053" H 8300 4150 50 0001 C CNN |
| F 1 "GND" H 8305 4227 50 0000 C CNN |
| F 2 "" H 8300 4400 50 0001 C CNN |
| F 3 "" H 8300 4400 50 0001 C CNN |
| 1 8300 4400 |
| 1 0 0 -1 |
| $EndComp |
| Wire Wire Line |
| 8300 4300 8300 4400 |
| Wire Wire Line |
| 7000 3300 7000 3500 |
| Wire Wire Line |
| 7000 3500 7700 3500 |
| Wire Wire Line |
| 7900 3500 8000 3500 |
| Wire Wire Line |
| 8000 3500 8000 3900 |
| Connection ~ 8000 3900 |
| $Comp |
| L Device:R_Small R19 |
| U 1 1 5F357044 |
| P 7700 3900 |
| F 0 "R19" V 7414 3900 50 0000 C CNN |
| F 1 "330R" V 7505 3900 50 0000 C CNN |
| F 2 "Resistor_SMD:R_0603_1608Metric" H 7700 3900 50 0001 C CNN |
| F 3 "~" H 7700 3900 50 0001 C CNN |
| F 4 "DNP" V 7596 3900 50 0000 C CNN "DNP" |
| 1 7700 3900 |
| 0 -1 1 0 |
| $EndComp |
| $Comp |
| L Device:D_Schottky_Small D4 |
| U 1 1 5F35AA23 |
| P 7300 3900 |
| F 0 "D4" H 7300 3605 50 0000 C CNN |
| F 1 "SDM02U30LP3" H 7300 3696 50 0000 C CNN |
| F 2 "Diode_SMD:D_0603_1608Metric" V 7300 3900 50 0001 C CNN |
| F 3 "~" V 7300 3900 50 0001 C CNN |
| F 4 "DNP" H 7300 3787 50 0000 C CNN "DNP" |
| 1 7300 3900 |
| -1 0 0 1 |
| $EndComp |
| Wire Wire Line |
| 7800 3900 8000 3900 |
| Wire Wire Line |
| 7600 3900 7400 3900 |
| Wire Wire Line |
| 7000 3500 7000 3900 |
| Wire Wire Line |
| 7000 3900 7200 3900 |
| Connection ~ 7000 3500 |
| $Comp |
| L Device:D_TVS D3 |
| U 1 1 5F37B3C0 |
| P 2000 4250 |
| F 0 "D3" V 1954 4329 50 0000 L CNN |
| F 1 "PESD0402-140" V 2045 4329 50 0000 L CNN |
| F 2 "Diode_SMD:D_0402_1005Metric" H 2000 4250 50 0001 C CNN |
| F 3 "~" H 2000 4250 50 0001 C CNN |
| F 4 "Little Fuse PESD0402-140" V 2000 4250 50 0001 C CNN "MPN" |
| 1 2000 4250 |
| 0 1 1 0 |
| $EndComp |
| $Comp |
| L power:GND #PWR044 |
| U 1 1 5F37BB33 |
| P 2000 4600 |
| F 0 "#PWR044" H 2000 4350 50 0001 C CNN |
| F 1 "GND" H 2005 4427 50 0000 C CNN |
| F 2 "" H 2000 4600 50 0001 C CNN |
| F 3 "" H 2000 4600 50 0001 C CNN |
| 1 2000 4600 |
| 1 0 0 -1 |
| $EndComp |
| Wire Wire Line |
| 2000 4400 2000 4600 |
| Wire Wire Line |
| 2000 4100 2000 3800 |
| Connection ~ 2000 3800 |
| Wire Wire Line |
| 2000 3800 2800 3800 |
| Text Notes 8300 3500 0 50 ~ 0 |
| Battery and charging circuit\nis DNP by default |
| $Comp |
| L power:PWR_FLAG #FLG03 |
| U 1 1 5F6D51CD |
| P 8300 3800 |
| F 0 "#FLG03" H 8300 3875 50 0001 C CNN |
| F 1 "PWR_FLAG" H 8300 3973 50 0001 C CNN |
| F 2 "" H 8300 3800 50 0001 C CNN |
| F 3 "~" H 8300 3800 50 0001 C CNN |
| 1 8300 3800 |
| 1 0 0 -1 |
| $EndComp |
| Wire Wire Line |
| 8300 3800 8300 3900 |
| $Comp |
| L power:PWR_FLAG #FLG02 |
| U 1 1 5F6DA120 |
| P 3800 2200 |
| F 0 "#FLG02" H 3800 2275 50 0001 C CNN |
| F 1 "PWR_FLAG" H 3800 2373 50 0001 C CNN |
| F 2 "" H 3800 2200 50 0001 C CNN |
| F 3 "~" H 3800 2200 50 0001 C CNN |
| 1 3800 2200 |
| 1 0 0 -1 |
| $EndComp |
| Wire Wire Line |
| 3800 2200 3800 2300 |
| Text HLabel 5500 3600 2 50 Output ~ 0 |
| tx |
| Text HLabel 5500 3500 2 50 Input ~ 0 |
| rx |
| $Comp |
| L Device:R_Pack04 RN6 |
| U 1 1 5F77D81A |
| P 5100 3700 |
| F 0 "RN6" V 4683 3700 50 0000 C CNN |
| F 1 "33R" V 4774 3700 50 0000 C CNN |
| F 2 "Resistor_SMD:R_Array_Convex_4x0603" V 5375 3700 50 0001 C CNN |
| F 3 "~" H 5100 3700 50 0001 C CNN |
| 1 5100 3700 |
| 0 1 1 0 |
| $EndComp |
| Wire Wire Line |
| 4900 3500 4800 3500 |
| Wire Wire Line |
| 4800 3500 4800 3400 |
| Wire Wire Line |
| 4800 3400 4600 3400 |
| Wire Wire Line |
| 4600 3500 4700 3500 |
| Wire Wire Line |
| 4700 3500 4700 3600 |
| Wire Wire Line |
| 4700 3600 4900 3600 |
| Wire Wire Line |
| 4900 3700 4600 3700 |
| Wire Wire Line |
| 4900 3800 4600 3800 |
| $EndSCHEMATC |