1
1
2
2
3
3
4
4
5
5
6
6
D D
C C
B B
A A
3
200 Scenic View Dr.
Cumberland, RI 02864 73/17/2021
Sheet: of
PowerAndReset.SchDoc
INM-PCB-NH08-RearPanel.PrjPcb
Originally Drawn By:
Project:
Sheet:
Variant: Default
Last Modified By:
Last Modified:
Copyright 2021, inMusic Brands
All Rights Reserved
Rev J
nPBIN
nRECOVERY
VIN_MON
DEBUG_RX
DEBUG_TX
LED_HEARBEAT
1
3
2
J2
GND_ESD
1,000pF
50V
C2
D2
SMA6J24CA
1,000pF
50V
C3
GND
150uF
25V
+
C4
+12VDC
1
43
Q1
FDD4685
100K
R2
3
1
2
Q2
MMBT4401
10.0KR8
GND
POWER BUTTON
51.1KR10
To PMIC nPBIN Input
S1
RESET
GND
To SoC Recovery Input
RECOVERY
GND
To SoC ADC Input
D4
MMSD4148T
0.1uF
50V
C19
1.00K
R17
15.0KR15
GND
150uF
25V
+
C5
GND
+VIN
LED1
RED
1.00KR24
GND
1
2
3
4
J3
DEBUG UART
GND
1
2 3
Q3
BSS138
47.5K
R22
47.5K
R23
+3.3V::IO
D5
MMSD4148T
D7
ESD5B5.0ST1G
D6
To SoC UART2
>20V
[17.5V ... 20V]
< 17.5V
<10V
1.25V
[1.09V ... 1.25V]
< 1.09V
< 0.625V
Wall adapter present but invalid
Wall adapter present and valid
Wall adapter absent, invalid, or on battery
Wall adapter and/or battery invalid
+VSYS VIN_MON Interpretation
1
3
2
D3
BAT54C
AAM
1
VIN
2
SW
3
GND
4
BST
5
EN/SYNC
6
VCC
7
FB
8
U1 MP2315
20.0R1
0.00R7
20.0KR4 40.2KR5
0.1uF
50V
C1
22uF
6.3V
C7
33pF
50V
C11
22uF
6.3V
C8
+5V::SOM
0.1uF
50V
C6
L1
5.6uH
7.50KR6
22uF
25V
C9
0.1uF
50V
C10
AAM
1
VIN
2
SW
3
GND
4
BST
5
EN/SYNC
6
VCC
7
FB
8
U3 MP2315
20.0R16
0.00R21
33.2KR18 40.2KR19
0.1uF
50V
C20
22uF
6.3V
C22
33pF
50V
C26
22uF
6.3V
C23
+3.3V
GND
0.1uF
50V
C21
12.7KR20
22uF
25V
C24
0.1uF
50V
C25
AAM
1
VIN
2
SW
3
GND
4
BST
5
EN/SYNC
6
VCC
7
FB
8
U2 MP2315
20.0R9
0.00R14
20.0KR11 40.2KR12
0.1uF
50V
C12
22uF
6.3V
C14
33pF
50V
C18
22uF
6.3V
C15
+5V
0.1uF
50V
C13
L3
5.6uH
7.50KR13
22uF
25V
C16
0.1uF
50V
C17
VIN
1
GND
2
CE
3
NC
4
VOUT
5
U4
AP2125K-1.8
22uF
6.3V
C27
22uF
6.3V
C29
+1.8V
GND
+3.3V
0.1uF
50V
C28
4
5
6
SW1B
1
2
3
SW1A
GND
+3.3V::PMU
+
-
J4
BATTERY HOLDER
+VCC_RTC
GND
L2
GND
GND
+VSYS
Power FET latched by PMIC startup
+5V::SOM
+5V
+3.3V
+1.8V
VIN MON
DEBUG LED
1
3
2
D21
BAT54C
+3.3V
+VCC_RTC
1.00K
R3
1
2 3
Q13
BSS138
10.0KR114
10.0K
R120
GND
nRESET_SOC
To SoC Reset Input
GND_AMP GND
0.0R132
0.0R133
S2
D1
PMEG3050BEP
L4
4.7uH
1,000pF
50V
C115
1,000pF
50V
C125
1,000pF
50V
C129
1,000pF
50V
C137
1,000pF
50V
C141
1,000pF
50V
C142
1,000pF
50V
C143
1,000pF
50V
C144
1,000pF
50V
C145
1,000pF
50V
C146
+3.3V
GND
Distributed Plane Decoupling
DCDC Sync Clock ~725 kHz
VCC
8
GND
4
U16D
SN74LVC3GU04
+5V::SOM
0.1uF
50V
C114
GND
VCC
5
GND
3
U18B
74LVC1G125
+5V::SOM
0.1uF
50V
C147
GND
Sync and IO Rails Enabled by PMIC
+3.3V::IO
+5V::SOM
1
2 3
Q14
BSS138
10.0K
R119
10.0KR118
1 7
U16A
SN74LVC3GU04
100KR115 2.21KR116
100pF
50V
C113
2 4
1
U18A
74LVC1G125
GND
49.9R1176 2
U16C
SN74LVC3GU04
3 5
U16B
SN74LVC3GU04
1,000pF
50V
C149
1,000pF
50V
C150
1,000pF
50V
C148
3.65KR136
Mounting Holes
MTG1 MTG2 MTG3
GND_ESD GND_ESD
1,000pF
16V
C151
GND_AMP
AN_PWR_EN
1.02K
R143
22uF
25V
+
C153
0.1uF
50V
C154
7.87K
R139
10uF
50V
C155
VIN
1
ON/OFF
2
VOUT
3
VADJ
4
GND
5
VOUT
6
U19 NJM2387
1.26V
+11VA
GND
+11VA
10uF
10V
C189
0.47uF
16V
C186
20.0K
R199
10uF
25V
C190
1,000pF
50V
C185
20pF
50V
C187
10uF
25V
C191
SW
1
BOOT
2
VCC
3
FB
4
EN/SYNC
5
AGND
6
VIN
7
PGND
8
TAB
9
U25 LMR23630AF
200KR198
Ripple: 0.125 Vpp @ 750kHz -33dB @ 750 kHz
22uF
25V
+
C188
0.0R195100KR197
5.11
R196
L15
100uH
1.0V
L16
47uH
0.1uF
50V
C193
10uF
50V
C194
10uF
50V
C192
GND
GND
-11VA
GND
-11VA
4
5
1 2 3
6 7 8
Q25
FDS4435BZ
10.0K
R154
3.32KR169 1
2 3
Q26
BSS138
GND
+VSYS::SW
PS_SYNC
Audio Power Switch
+VSYS::SW
U27
LM431
6
5
7
U26B
LM393
2
3
1
U26A
LM393
-
4
+
8
U26C
LM393
3.01K
R193
10.0KR171
10.0K
R144
16.9KR191
0.1uF
50V
C209
GND
+11VA
0.1uF
50V
C210
GND
+5V
+2.78V (+12V input)
+2.5V Ref.
POWER FAIL DETECT
TP_POWERFAIL
TP_FAILREF
+VSYS
POWER_FAIL
DETECT VOLTAGE = 11V
+11VA
0.1uF
50V
C216
0.1uF
50V
C217
0.1uF
50V
C218
0.1uF
50V
C219
0.1uF
50V
C220
0.1uF
50V
C221
0.1uF
50V
C222
0.1uF
50V
C223
0.1uF
50V
C224
GND
GND_ESD
EMC OPTION
MTG4
GND_ESD
MTG5
GND
MTG6 VIN
1
GND
2
CE
3
NC
4
VOUT
5
U20
AP2112K-3.3
1uF
16V
C157
+3.3VA
1uF
16V
C158
+5V
GND
+3.3VA
0.00
R50
PIC101
PIC102
COC1
PIC201
PIC202
COC2
PIC301
PIC302
COC3
PIC401
PIC402
COC4
PIC501
PIC502
COC5
PIC601
PIC602
COC6
PIC701
PIC702
COC7
PIC801
PIC802
COC8
PIC901
PIC902
COC9
PIC1001
PIC1002
COC10
PIC1101
PIC1102
COC11
PIC1201
PIC1202
COC12
PIC1301
PIC1302
COC13
PIC1401
PIC1402
COC14
PIC1501
PIC1502
COC15
PIC1601
PIC1602
COC16
PIC1701
PIC1702
COC17
PIC1801
PIC1802
COC18
PIC1901
PIC1902
COC19
PIC2001
PIC2002
COC20
PIC2101
PIC2102
COC21
PIC2201
PIC2202
COC22
PIC2301
PIC2302
COC23
PIC2401
PIC2402
COC24
PIC2501
PIC2502
COC25
PIC2601
PIC2602
COC26
PIC2701
PIC2702
COC27
PIC2801
PIC2802
COC28
PIC2901
PIC2902
COC29
PIC11301
PIC11302
COC113
PIC11401
PIC11402
COC114
PIC11501
PIC11502
COC115
PIC12501
PIC12502
COC125
PIC12901
PIC12902
COC129
PIC13701
PIC13702
COC137
PIC14101
PIC14102
COC141
PIC14201
PIC14202
COC142
PIC14301
PIC14302
COC143
PIC14401
PIC14402
COC144
PIC14501
PIC14502
COC145
PIC14601
PIC14602
COC146
PIC14701
PIC14702
COC147
PIC14801
PIC14802
COC148
PIC14901
PIC14902
COC149
PIC15001
PIC15002
COC150
PIC15101
PIC15102
COC151
PIC15301
PIC15302
COC153
PIC15401
PIC15402
COC154
PIC15501
PIC15502
COC155
PIC15701
PIC15702
COC157
PIC15801
PIC15802
COC158
PIC18501
PIC18502
COC185
PIC18601
PIC18602
COC186
PIC18701
PIC18702
COC187
PIC18801
PIC18802
COC188
PIC18901
PIC18902
COC189
PIC19001
PIC19002
COC190
PIC19101
PIC19102
COC191
PIC19201
PIC19202
COC192
PIC19301
PIC19302
COC193
PIC19401
PIC19402
COC194
PIC20901
PIC20902
COC209
PIC21001
PIC21002
COC210
PIC21601
PIC21602
COC216
PIC21701
PIC21702
COC217
PIC21801
PIC21802
COC218
PIC21901
PIC21902
COC219
PIC22001
PIC22002
COC220
PIC22101
PIC22102
COC221
PIC22201
PIC22202
COC222
PIC22301
PIC22302
COC223
PIC22401
PIC22402
COC224
PID101
PID102
COD1
PID201
PID202
COD2
PID301
PID302
PID303
COD3
PID401
PID402
COD4
PID501
PID502
COD5
PID601
PID602
COD6
PID701
PID702
COD7
PID2101 PID2102
PID2103
COD21
PIJ201
PIJ202
PIJ203
COJ2
PIJ301
PIJ302
PIJ303
PIJ304
COJ3
PIJ401
PIJ402
COJ4
PIL101
PIL102
COL1
PIL201
PIL202
PIL203
PIL204
COL2
PIL301
PIL302
COL3
PIL401
PIL402
COL4
PIL1501
PIL1502
COL15
PIL1601
PIL1602
COL16
PILED101
PILED102
COLED1
PIMTG101
COMTG1
PIMTG201
COMTG2
PIMTG301
COMTG3
PIMTG401
COMTG4
PIMTG501
COMTG5
PIMTG601
COMTG6
PIQ101
PIQ103
PIQ104
COQ1
PIQ201
PIQ202
PIQ203
COQ2
PIQ301
PIQ302
PIQ303
COQ3
PIQ1301
PIQ1302
PIQ1303
COQ13
PIQ1401
PIQ1402
PIQ1403
COQ14
PIQ2501
PIQ2502
PIQ2503
PIQ2504
PIQ2505
PIQ2506
PIQ2507
PIQ2508
COQ25
PIQ2601
PIQ2602
PIQ2603
COQ26
PIR101
PIR102
COR1
PIR201
PIR202
COR2
PIR301
PIR302
COR3
PIR401
PIR402
COR4
PIR501
PIR502
COR5
PIR601
PIR602
COR6
PIR701
PIR702
COR7
PIR801
PIR802
COR8
PIR901
PIR902
COR9
PIR1001
PIR1002
COR10
PIR1101
PIR1102
COR11
PIR1201
PIR1202
COR12
PIR1301
PIR1302
COR13
PIR1401
PIR1402
COR14
PIR1501
PIR1502
COR15
PIR1601
PIR1602
COR16
PIR1701
PIR1702
COR17
PIR1801
PIR1802
COR18
PIR1901
PIR1902
COR19
PIR2001
PIR2002
COR20
PIR2101
PIR2102
COR21
PIR2201
PIR2202
COR22
PIR2301
PIR2302
COR23
PIR2401
PIR2402
COR24
PIR5001
PIR5002
COR50
PIR11401
PIR11402
COR114
PIR11501
PIR11502
COR115
PIR11601
PIR11602
COR116
PIR11701
PIR11702
COR117
PIR11801
PIR11802
COR118
PIR11901
PIR11902
COR119
PIR12001
PIR12002
COR120
PIR13201
PIR13202
COR132
PIR13301
PIR13302
COR133
PIR13601
PIR13602
COR136
PIR13901
PIR13902
COR139
PIR14301
PIR14302
COR143
PIR14401
PIR14402
COR144
PIR15401
PIR15402
COR154
PIR16901
PIR16902
COR169
PIR17101
PIR17102
COR171
PIR19101
PIR19102
COR191
PIR19301
PIR19302
COR193
PIR19501
PIR19502
COR195
PIR19601
PIR19602
COR196
PIR19701
PIR19702
COR197
PIR19801
PIR19802
COR198
PIR19901
PIR19902
COR199
PIS101
PIS102
COS1
PIS201
PIS202
COS2
PISW101
PISW102
PISW103
COSW1A
PISW104
PISW105
PISW106
COSW1B
PITP0FAILREF01
COTP0FAILREF
PITP0POWERFAIL01
COTP0POWERFAIL
PIU101
PIU102
PIU103
PIU104
PIU105
PIU106
PIU107
PIU108
COU1
PIU201
PIU202
PIU203
PIU204
PIU205
PIU206
PIU207
PIU208
COU2
PIU301
PIU302
PIU303
PIU304
PIU305
PIU306
PIU307
PIU308
COU3
PIU401
PIU402
PIU403
PIU404
PIU405
COU4
PIU1601
PIU1607
COU16A
PIU1603
PIU1605
COU16B
PIU1602
PIU1606
COU16C
PIU1604
PIU1608
COU16D
PIU1801
PIU1802
PIU1804
COU18A
PIU1803
PIU1805
COU18B
PIU1901
PIU1902
PIU1903
PIU1904
PIU1905
PIU1906
COU19
PIU2001
PIU2002
PIU2003
PIU2004
PIU2005
COU20
PIU2501
PIU2502
PIU2503
PIU2504
PIU2505
PIU2506
PIU2507
PIU2508 PIU2509
COU25
PIU2601
PIU2602
PIU2603
COU26A
PIU2605
PIU2606
PIU2607
COU26B
PIU2604
PIU2608
COU26C
PIU2701
PIU2702
PIU2703
COU27
PIC2901
PIU405
PIC2202 PIC2302
PIC2602
PIC2701 PIC2801
PIC11501 PIC12501 PIC12901 PIC13701 PIC14101
PIC14201
PIC14301 PIC14401 PIC14501 PIC14601 PIC14801 PIC14901 PIC15001
PID2101
PIL402
PIR1902
PIU401
PIU403
PIQ301
PIQ1401
PIR2201
PIR2301
PIR11901
PIR801
PIC15701
PIU2005
PIC1402
PIC1502
PIC1802
PIC15801
PIL302
PIR1202
PIR14401
PIU2001
PIU2003
PIC702
PIC802
PIC1102
PIC11401
PIC14701
PIL102
PIR502
PIR11801
PIU1608
PIU1805
PIC15301
PIC21002
PIR13901
PIU1903
PIU1906
PIU2603
PIU2608
PID2103
PIC401
PID101
PIQ103
PIR201
PIC501
PIC902
PIC1002
PIC1602 PIC1702
PIC2402 PIC2502
PIQ104
PIQ2501
PIQ2502
PIQ2503
PIR1502
PIR11401
PIR15401
PIR17101
PIR19101
PIU102
PIU202
PIU302
PIC15402
PIC15502
PIC19202 PIC19302 PIC19402
PIQ2505
PIQ2506
PIQ2507
PIQ2508
PIR19701
PIU1901
PIU1902
PIU2507
NL0VSYS::SW
PIC18802
PIL1602
PIR16901
POAN0PWR0EN
PID502
PODEBUG0RX
PIQ302
PIR2202
PODEBUG0TX
PIC302
PIC402
PIC502
PIC602
PIC701
PIC801
PIC901
PIC1001
PIC1302
PIC1401
PIC1501
PIC1601 PIC1701
PIC1902
PIC2102
PIC2201 PIC2301
PIC2401 PIC2501
PIC2702 PIC2802
PIC2902
PIC11402
PIC11502 PIC12502 PIC12902 PIC13702 PIC14102
PIC14202
PIC14302 PIC14402 PIC14502 PIC14602
PIC14702
PIC14802 PIC14902 PIC15002
PIC15302
PIC15401
PIC15501
PIC15702
PIC15802
PIC18702
PIC19002 PIC19102
PIC19201 PIC19301
PIC20901
PIC21001
PIC21601 PIC21701 PIC21801 PIC21901 PIC22001 PIC22101
PIC22201
PIC22301 PIC22401
PID402
PID601 PID701
PIJ304
PIJ402
PIL202
PILED101
PIQ202
PIQ1302
PIQ1402
PIQ2602
PIR601
PIR1301
PIR1702
PIR2001
PIR5002
PIR11902
PIR12002
PIR13202
PIR13302
PIR13601
PIR14302
PIR19302
PIR19502
PIR19601
PIR19802
PIS102
PIS202
PISW101
PISW104
PIU104
PIU204
PIU304
PIU402
PIU1604
PIU1803
PIU1905
PIU2002
PIU2602
PIU2604
PIU2703
PIC15102
PIR13201
PIR13301
PIC202
PIC21602 PIC21702 PIC21802 PIC21902 PIC22002 PIC22102
PIC22202
PIC22302 PIC22402
PID201
PIJ202
PIJ203
PIL201
PIMTG101
PIMTG201
PIMTG401
PIR2401
POLED0HEARBEAT
PIC101
PIR102
PIC102
PIL101
PIU103
PIC201
PID202
PIJ201
PIL204
PIC301
PID102
PIL203
PIC601
PIU101
PIU107
PIC1101
PIR702
PIC1201
PIR902
PIC1202
PIL301
PIU203
PIC1301
PIU201
PIU207
PIC1801
PIR1402
PIC2001
PIR1602
PIC2002
PIL401
PIU303
PIC2101
PIU301
PIU307
PIC2601
PIR2102
PIC11301
PIR11502
PIR11601
PIC11302
PIU1602
PIU1603
PIC15101
PIMTG301
PIC18502
PIR19702
PIU2505
PIC18601
PIU2502
PIC18602
PIL1501
PIU2501
PIC18701
PIR19801
PIR19901
PIU2504
PIC18801
PIR19602
PIC18901
PIU2503
PIC18902
PIC19001 PIC19101
PIC19401
PIL1601
PIR19902
PIU2506
PIU2508 PIU2509
PIC20902
PIR17102
PIR19301
PITP0FAILREF01
PIU2605
PID301
PIR1002
PID302
PIQ101
PIQ203
PIR202
PID303
PISW102
PISW105
PID501
PID702
PIJ302
PID602
PIJ303
PIQ303
PIR2302
PID2102
PIR301
PIJ301
PIJ401
PIR302
PIL1502
PIR19501
PILED102
PIR2402
PIMTG501
PIR5001
PIMTG601
PIQ201
PIR802
PIQ1303
PIR11402
PIR13602
PIU106
PIQ1403
PIR11802
PIU1801
PIQ2504
PIQ2603
PIR15402
PIQ2601
PIR16902
PIR101
PIU105
PIR401
PIU108
PIR402
PIR501
PIR602
PIR701
PIR901
PIU205
PIR1101
PIU208
PIR1102
PIR1201
PIR1302
PIR1401
PIR1601
PIU305
PIR1801
PIU308
PIR1802
PIR1901
PIR2002
PIR2101
PIR11501
PIU1601
PIR11602
PIU1605
PIU1802
PIR11701
PIU1804
PIR13902
PIR14301
PIU1904
PIR19102
PIU2606
PIU2701
PIU2702
PISW103
PISW106
PIU404
PIU1606
PIU1607
PIU2004
PIU2601
PIR1001
POnPBIN
PIS201
POnRECOVERY
PIS101
POnRESET0SOC
PIR14402
PITP0POWERFAIL01
PIU2607
POPOWER0FAIL
PIC18501
PIQ1301
PIR11702
PIR12001
PIU206
PIU306
NLPS0SYNC
PIC1901
PID401
PIR1501
PIR1701
POVIN0MON
POAN0PWR0EN
PODEBUG0RX
PODEBUG0TX
POLED0HEARBEAT
POnPBIN
POnRECOVERY
POnRESET0SOC
POPOWER0FAIL
POVIN0MON
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