Product Card
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
PSU Front End and 3.7V DC/DC converter
WD feature of BQ25601
PCB layout note
V > 20V
I2C address 6Bh
Note:
Connect PWR_GND_BQ and Main ground
Place as close as possible
to the PMID pin
together using Pin 25 as connection point
Default value 2.2uH
* For High Reliability systems use the
I2C ADDRESS:55h
ACTIVE "HIGH"
ACTIVE HIIGH
BY DEFUALT:DNP
BY DEFUALT:POPULATED
BY DEFUALT:POPULATED
V_INV_INV_IN
V_SYS_BATT
REGN_BATT
V_BATT_CHR
PWR_GND_BQ PWR_GND_BQ PWR_GND_BQ
PWR_GND_BQ
PWR_GND_BQ
PWR_GND_BQ
PWR_GND_BQPWR_GND_BQ
REGN_BATT
PWR_GND_BQ
V_SYS_BATT
REGN_BATT
VCC_3V7_LS VBATT_MAIN_SUPPLY
VBATT_MAIN_SUPPLY
VBATT_RF
VBATT_BB
V_SYS_BATT VCC_3V7
V_BATT_CHR_R
V_BATT_CHR_R
PACK+
V_BATT_CHR_R
PACK+
VCC_3V7
V_BATT_CHR
VCC_1V8
VCC_1V8
PACK+
PACK+
VCC_3V7_LS
VCC_3V7
PACK+
PACK+
VCC_3V7
PORT2_I2C_SDA(5)
PORT2_I2C_SCL(5)
BATTGAUGE_GPIO(5)
CHARGER_INT_N(5)
ADC1 (2)
BAT_VOL_MONITOR(5)
RESET_IN (2,4,6)
BUCK_DISABLE_N(4,9)
PROJECT
SIZE
DOCUMENT NUMBER
REV SCH
DATE:
SHEET OF
SITE
LEAD ENGINEER
REV PCB
This document contains information
which is proprietary and confidential to
Sierra Wireless Inc. Disclosure to
Persons other than the officers,
employees, agents or subscontractors
of the company or licensee of this
document without the prior written
permission of Sierra Wireless Inc. is
strictly prohibited.
Copyright (C) 2016
2142586
See P1
mangOH Yellow
Custom
10 10
Friday, July 19, 2019
CTO Office
Ashish Syal
See P1
<Variant Name>
PROJECT
SIZE
DOCUMENT NUMBER
REV SCH
DATE:
SHEET OF
SITE
LEAD ENGINEER
REV PCB
This document contains information
which is proprietary and confidential to
Sierra Wireless Inc. Disclosure to
Persons other than the officers,
employees, agents or subscontractors
of the company or licensee of this
document without the prior written
permission of Sierra Wireless Inc. is
strictly prohibited.
Copyright (C) 2016
2142586
See P1
mangOH Yellow
Custom
10 10
Friday, July 19, 2019
CTO Office
Ashish Syal
See P1
<Variant Name>
PROJECT
SIZE
DOCUMENT NUMBER
REV SCH
DATE:
SHEET OF
SITE
LEAD ENGINEER
REV PCB
This document contains information
which is proprietary and confidential to
Sierra Wireless Inc. Disclosure to
Persons other than the officers,
employees, agents or subscontractors
of the company or licensee of this
document without the prior written
permission of Sierra Wireless Inc. is
strictly prohibited.
Copyright (C) 2016
2142586
See P1
mangOH Yellow
Custom
10 10
Friday, July 19, 2019
CTO Office
Ashish Syal
See P1
<Variant Name>
R1021
100K
R1000
10K
U1013
ON
B2
VOUT
A1
VIN
A2
GND
B1
TP1003
100nF
C1020
R1020 0
DNP
U1015
TPS22975DSGT
VBIAS
4
VIN_1
1
VIN_2
2
ON
3
CT
6
VOUT_1
7
VOUT_2
8
GND_1
5
GND_2
9
R1013 0
DNP
R1008
5.23K
10uF
C1002
U1002
BQ27426
SCL
A3
SDA
A2
GPOUT
A1
SRN
C2
SRP
C1
BAT
C3
BIN
B1
VDD
B3
VSS
B2
R1029
10K
3.3 uH
L1000
R1010
10K
GND
SW1002
1
2
3
4
5
6
7
+
1.5mF
C1018
TP1007
100nF
C1031
DNI
TP1001
0.05pF
D1000
1 2
R1026
56K
220nF
C1004
4.7uF
C1008
BQ25601
U1000
SW1
19
GND_PAD
25
VAC
1
PG_n
3
VBUS
24
PMID
23
STAT
4
SDA
6
SCL
5
INT_n
7
NC1
8
CE_n
9
PSEL
2
GND1
17
GND2
18
SW2
20
BTST
21
REGN
22
SYS1
15
SYS2
16
BAT1
13
BAT2
14
NC2
10
TS
11
QON
12
100nF
C1019
R1017
4.3K
1uF
C1013
R1018
1M
R1014
1M
R1004
10K
RT1000
10K
1 2
R1015
10K
47uF
C1016
47uF
C1025
R1024 0
0
L1001
100nF
C1029
1uF
C1005
R1007 0.01
R1027
340K
R1028 0
CN1000
B2B-PH-K-S
1
2
100nF
C1014
R1001
10K
DNI
470nF
C1011
R1012 0
10nF
C1035
10uF
C1010
100nF
C1026
100nF
C1017
R1003 0
DNP
R1005
10K
47uF
C1001
47uF
C1033
0
L1003
10uF
C1006
47nF
C1000
1uF
C1003
R1019 0
1uF
C1030
R1016
6.8K
R1009
30.1K
10uF
C1015
Q1000
1
32
1uF
C1022
4.7uF
C1012
R1002
10K
DNI
TP1005
R1025
604K
TP1000
TP1002
100nF
C1027
0
L1002
R1006
10K
100nF
C1034
U1003
VDD
5
HTH
1
LTH
3
RST_N
4
GND
2
PMID
BattChrgr_PG_N
TEMP_SENS
PORT2_I2C_SCL
PORT2_I2C_SDA
VOLTAGE_MONITOR
VOLTAGE_MONITOR