pcb/hardware/imu.sch

EESchema Schematic File Version 4
LIBS:board-cache
EELAYER 29 0
EELAYER END
$Descr A0 46811 33110
encoding utf-8
Sheet 1 1
Title "Ti375 GNSS/IMU board - Imu"
Date "2026-08-15"
Rev "A0"
Comp "Open hardware design for JLCPCB"
Comment1 "Generated from scripts/design_data.py; do not hand-edit"
Comment2 "No LEDs, no push buttons"
Comment3 "Ti375C529C3 / MAX2771 / SCH16T-K01-1"
Comment4 "JLC08161H-3313 eight-layer stack"
$EndDescr
$Comp
L BOARD_U22 U22
U 1 1 65030001
P 1800 1800
F 0 "U22" H 1800 1700 50  0000 C CNN
F 1 "SCH16T-K01-1" H 1800 1900 50  0000 C CNN
F 2 "board:Murata_SCH16T_K01" H 1800 1600 50  0001 C CNN
F 3 "" H 1800 1800 50  0001 C CNN
F 4 "SCH16T-K01-1" H 1800 1800 50  0001 C CNN "MPN"
F 5 "Murata" H 1800 1800 50  0001 C CNN "Manufacturer"
	1    1800 1800
	1    0    0    -1
$EndComp
Wire Wire Line
	1100 2350 950 2350
Text GLabel 950 2350 2    30   BiDi ~ 0
GND
NoConn ~ 2500 2350
Wire Wire Line
	1100 2250 950 2250
Text GLabel 950 2250 2    30   BiDi ~ 0
GND
Wire Wire Line
	2500 2250 2650 2250
Text GLabel 2650 2250 0    30   BiDi ~ 0
GND
Wire Wire Line
	1100 2150 950 2150
Text GLabel 950 2150 2    30   BiDi ~ 0
GND
Wire Wire Line
	2500 2150 2650 2150
Text GLabel 2650 2150 0    30   BiDi ~ 0
IMU_EXTRESN
Wire Wire Line
	1100 2050 950 2050
Text GLabel 950 2050 2    30   BiDi ~ 0
GND
Wire Wire Line
	2500 2050 2650 2050
Text GLabel 2650 2050 0    30   BiDi ~ 0
IMU_3V3
Wire Wire Line
	1100 1950 950 1950
Text GLabel 950 1950 2    30   BiDi ~ 0
GND
Wire Wire Line
	2500 1950 2650 1950
Text GLabel 2650 1950 0    30   BiDi ~ 0
IMU_VREGA2
Wire Wire Line
	1100 1850 950 1850
Text GLabel 950 1850 2    30   BiDi ~ 0
IMU_VREGA2
Wire Wire Line
	2500 1850 2650 1850
Text GLabel 2650 1850 0    30   BiDi ~ 0
GND
Wire Wire Line
	1100 1750 950 1750
Text GLabel 950 1750 2    30   BiDi ~ 0
GND
Wire Wire Line
	2500 1750 2650 1750
Text GLabel 2650 1750 0    30   BiDi ~ 0
IMU_VREGD
Wire Wire Line
	1100 1650 950 1650
Text GLabel 950 1650 2    30   BiDi ~ 0
IMU_VREGD
Wire Wire Line
	2500 1650 2650 1650
Text GLabel 2650 1650 0    30   BiDi ~ 0
GND
Wire Wire Line
	1100 1550 950 1550
Text GLabel 950 1550 2    30   BiDi ~ 0
IMU_3V3
Wire Wire Line
	2500 1550 2650 1550
Text GLabel 2650 1550 0    30   BiDi ~ 0
VCC3V3
Wire Wire Line
	1100 1450 950 1450
Text GLabel 950 1450 2    30   BiDi ~ 0
IMU_MISO_DEV
Wire Wire Line
	2500 1450 2650 1450
Text GLabel 2650 1450 0    30   BiDi ~ 0
IMU_DRY_SYNC
Wire Wire Line
	1100 1350 950 1350
Text GLabel 950 1350 2    30   BiDi ~ 0
IMU_SCK_DEV
Wire Wire Line
	2500 1350 2650 1350
Text GLabel 2650 1350 0    30   BiDi ~ 0
IMU_CS_DEV
Wire Wire Line
	1100 1250 950 1250
Text GLabel 950 1250 2    30   BiDi ~ 0
IMU_MOSI_DEV
Wire Wire Line
	2500 1250 2650 1250
Text GLabel 2650 1250 0    30   BiDi ~ 0
GND
$Comp
L BOARD_FB1 FB1
U 1 1 65030002
P 1800 3600
F 0 "FB1" H 1800 3500 50  0000 C CNN
F 1 "600R@100MHz" H 1800 3700 50  0000 C CNN
F 2 "Inductor_SMD:L_0402_1005Metric" H 1800 3400 50  0001 C CNN
F 3 "" H 1800 3600 50  0001 C CNN
F 4 "BLM15AG601SN1D" H 1800 3600 50  0001 C CNN "MPN"
F 5 "Murata" H 1800 3600 50  0001 C CNN "Manufacturer"
	1    1800 3600
	1    0    0    -1
$EndComp
Wire Wire Line
	1100 3600 950 3600
Text GLabel 950 3600 2    30   BiDi ~ 0
VCC3V3
Wire Wire Line
	2500 3600 2650 3600
Text GLabel 2650 3600 0    30   BiDi ~ 0
IMU_3V3
$Comp
L BOARD_R57 R57
U 1 1 65030003
P 1800 4400
F 0 "R57" H 1800 4300 50  0000 C CNN
F 1 "22R" H 1800 4500 50  0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 1800 4200 50  0001 C CNN
F 3 "" H 1800 4400 50  0001 C CNN
F 4 "RC0402FR-0722RL" H 1800 4400 50  0001 C CNN "MPN"
F 5 "Yageo" H 1800 4400 50  0001 C CNN "Manufacturer"
	1    1800 4400
	1    0    0    -1
$EndComp
Wire Wire Line
	1100 4400 950 4400
Text GLabel 950 4400 2    30   BiDi ~ 0
IMU_SCK
Wire Wire Line
	2500 4400 2650 4400
Text GLabel 2650 4400 0    30   BiDi ~ 0
IMU_SCK_DEV
$Comp
L BOARD_R58 R58
U 1 1 65030004
P 1800 5200
F 0 "R58" H 1800 5100 50  0000 C CNN
F 1 "22R" H 1800 5300 50  0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 1800 5000 50  0001 C CNN
F 3 "" H 1800 5200 50  0001 C CNN
F 4 "RC0402FR-0722RL" H 1800 5200 50  0001 C CNN "MPN"
F 5 "Yageo" H 1800 5200 50  0001 C CNN "Manufacturer"
	1    1800 5200
	1    0    0    -1
$EndComp
Wire Wire Line
	1100 5200 950 5200
Text GLabel 950 5200 2    30   BiDi ~ 0
IMU_MOSI
Wire Wire Line
	2500 5200 2650 5200
Text GLabel 2650 5200 0    30   BiDi ~ 0
IMU_MOSI_DEV
$Comp
L BOARD_R59 R59
U 1 1 65030005
P 1800 6000
F 0 "R59" H 1800 5900 50  0000 C CNN
F 1 "22R" H 1800 6100 50  0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 1800 5800 50  0001 C CNN
F 3 "" H 1800 6000 50  0001 C CNN
F 4 "RC0402FR-0722RL" H 1800 6000 50  0001 C CNN "MPN"
F 5 "Yageo" H 1800 6000 50  0001 C CNN "Manufacturer"
	1    1800 6000
	1    0    0    -1
$EndComp
Wire Wire Line
	1100 6000 950 6000
Text GLabel 950 6000 2    30   BiDi ~ 0
IMU_CS
Wire Wire Line
	2500 6000 2650 6000
Text GLabel 2650 6000 0    30   BiDi ~ 0
IMU_CS_DEV
$Comp
L BOARD_R60 R60
U 1 1 65030006
P 1800 6800
F 0 "R60" H 1800 6700 50  0000 C CNN
F 1 "22R" H 1800 6900 50  0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 1800 6600 50  0001 C CNN
F 3 "" H 1800 6800 50  0001 C CNN
F 4 "RC0402FR-0722RL" H 1800 6800 50  0001 C CNN "MPN"
F 5 "Yageo" H 1800 6800 50  0001 C CNN "Manufacturer"
	1    1800 6800
	1    0    0    -1
$EndComp
Wire Wire Line
	1100 6800 950 6800
Text GLabel 950 6800 2    30   BiDi ~ 0
IMU_MISO_DEV
Wire Wire Line
	2500 6800 2650 6800
Text GLabel 2650 6800 0    30   BiDi ~ 0
IMU_MISO
$Comp
L BOARD_R61 R61
U 1 1 65030007
P 1800 7600
F 0 "R61" H 1800 7500 50  0000 C CNN
F 1 "10K" H 1800 7700 50  0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 1800 7400 50  0001 C CNN
F 3 "" H 1800 7600 50  0001 C CNN
F 4 "RC0402FR-0710KL" H 1800 7600 50  0001 C CNN "MPN"
F 5 "Yageo" H 1800 7600 50  0001 C CNN "Manufacturer"
	1    1800 7600
	1    0    0    -1
$EndComp
Wire Wire Line
	1100 7600 950 7600
Text GLabel 950 7600 2    30   BiDi ~ 0
IMU_EXTRESN
Wire Wire Line
	2500 7600 2650 7600
Text GLabel 2650 7600 0    30   BiDi ~ 0
GND
$Comp
L BOARD_C103 C103
U 1 1 65030008
P 1800 8400
F 0 "C103" H 1800 8300 50  0000 C CNN
F 1 "100nF" H 1800 8500 50  0000 C CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 1800 8200 50  0001 C CNN
F 3 "" H 1800 8400 50  0001 C CNN
F 4 "GRM155R71A104KA01D" H 1800 8400 50  0001 C CNN "MPN"
F 5 "Murata" H 1800 8400 50  0001 C CNN "Manufacturer"
	1    1800 8400
	1    0    0    -1
$EndComp
Wire Wire Line
	1100 8400 950 8400
Text GLabel 950 8400 2    30   BiDi ~ 0
IMU_3V3
Wire Wire Line
	2500 8400 2650 8400
Text GLabel 2650 8400 0    30   BiDi ~ 0
GND
$Comp
L BOARD_C104 C104
U 1 1 65030009
P 1800 9200
F 0 "C104" H 1800 9100 50  0000 C CNN
F 1 "1uF" H 1800 9300 50  0000 C CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 1800 9000 50  0001 C CNN
F 3 "" H 1800 9200 50  0001 C CNN
F 4 "GRM155R60J105KE19D" H 1800 9200 50  0001 C CNN "MPN"
F 5 "Murata" H 1800 9200 50  0001 C CNN "Manufacturer"
	1    1800 9200
	1    0    0    -1
$EndComp
Wire Wire Line
	1100 9200 950 9200
Text GLabel 950 9200 2    30   BiDi ~ 0
IMU_3V3
Wire Wire Line
	2500 9200 2650 9200
Text GLabel 2650 9200 0    30   BiDi ~ 0
GND
$Comp
L BOARD_C105 C105
U 1 1 6503000A
P 1800 10000
F 0 "C105" H 1800 9900 50  0000 C CNN
F 1 "10uF" H 1800 10100 50  0000 C CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 1800 9800 50  0001 C CNN
F 3 "" H 1800 10000 50  0001 C CNN
F 4 "GRM188R60J106ME47D" H 1800 10000 50  0001 C CNN "MPN"
F 5 "Murata" H 1800 10000 50  0001 C CNN "Manufacturer"
	1    1800 10000
	1    0    0    -1
$EndComp
Wire Wire Line
	1100 10000 950 10000
Text GLabel 950 10000 2    30   BiDi ~ 0
IMU_VREGA2
Wire Wire Line
	2500 10000 2650 10000
Text GLabel 2650 10000 0    30   BiDi ~ 0
GND
$Comp
L BOARD_C106 C106
U 1 1 6503000B
P 1800 10800
F 0 "C106" H 1800 10700 50  0000 C CNN
F 1 "1uF" H 1800 10900 50  0000 C CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 1800 10600 50  0001 C CNN
F 3 "" H 1800 10800 50  0001 C CNN
F 4 "GRM155R60J105KE19D" H 1800 10800 50  0001 C CNN "MPN"
F 5 "Murata" H 1800 10800 50  0001 C CNN "Manufacturer"
	1    1800 10800
	1    0    0    -1
$EndComp
Wire Wire Line
	1100 10800 950 10800
Text GLabel 950 10800 2    30   BiDi ~ 0
IMU_VREGD
Wire Wire Line
	2500 10800 2650 10800
Text GLabel 2650 10800 0    30   BiDi ~ 0
GND
$EndSCHEMATC