Texas Instruments BMS027, User Manual

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SYSTEM
GND
VPMID
GND
0.01
R11
REGN
3.9V - 24V
0V - 19.0V
5A MAX
1uF
C18
DNP
5A
D+
D-
PGND
PGND
2200pF
C6
30V
DNP
D6
DNP
PGND
2.0
R10
DNP
2200pF
C12
30V
DNP
D8
DNP
30V
D7
30V
DNP
D3
DNP
PMID
PGND
PMID
SYS
0.01
R12
TP15 TP16
1
2
J3
PGND
BATN
100
R17
PGND
10uF
C19
DNP
VBUS
A1
PMID
A2
SW1
A3
GND
A4
SW2
A5
SYS
A6
BAT
A7
VBUS
B1
PMID
B2
SW1
B3
GND
B4
SW2
B5
SYS
B6
BAT
B7
VBUS
C1
PMID
C2
SW1
C3
GND
C4
BTST1
D1
PMID
D2
SW1
D3
GND
D4
SW2
D5
REGN
E1
PMID
E2
SW1
E3
GND
E4
SW2
E5
SYS
E6
STAT
F1
D+
F2
ILIM_HIZ
F4
VAC2
G1
ACDRV2
G2
CE
G4
PROG
F5
SDRV
F6
BTST2
F7
INT
G5
BATN
G6
BATP
G7
SW2
C5
SYS
C6
BAT
C7
BAT
D7
SYS
D6
BAT
E7
D-
F3
QON
G3
VAC1
H1
ACDRV1
H2
PG
H3
SCL
H4
SDA
H5
IBAT
H6
TS
H7
BQ25790YBG
U1
2.0
R8
DNP
AGND AGND
10uF
C20
DNP 10uF
C21
10uF
C22
10uF
C23
BATP
BATN
GND
BATTERY
SNS_BATP
0V - 18.8V
5A MAX
0.01
R13
TP17 TP18
EXT_BATP
PGND
SNS_BATN
TS
ILIM_HIZ
PROG
/QON
/PG
/INT
IBAT
STAT
REGN
4.7uF
C34
PGND
/CE
SCL
SDA
SDRV
1000pF
C41
DNP
AGND
NT1
Net-Tie
1nF
C39
DNP
100k
R15
40V
DNP
D10
DNP
0
R16
4
7,8
1,2,3
5,6,
Q5
CSD17575Q3
0.1uF
C35
DNP 10uF
C36
10uF
C37
10uF
C38
DNP
0
R14
DNP
1
2
JP12
BATP
100
R18
1
2
JP13
EXT_BATP
BAT
BATN
PGND
BATP
BAT
EXT_BATP
BATTERY
EXT_BATN
1
2
JP9
SDRV
CONNECT
BTST1
33uF
C25
DNP
PGND
VAC1
1
2
JP5
BYPASS
BAT-BATTERY
12V
D9 DNP
PGND
VBUS
0.01uF
C16
0.01uF
DNP
C17
DNP
AGND AGND
TP30
DNP
TP27 TP28 TP26
TEST POINTS
TP21 TP22 TP24 TP33 TP31 TP29
TP37
TP32
TP38
TP35 TP23 TP25
VAC1
TP34
TP36
VAC2 PMID VBUS ACDRV1 ACDRV2 REGN SDRV SYS BAT BATP BATN
/CE
TS
IBAT STAT /QON /INT /PG
PROG ILIM_HIZ
TP39 TP40 TP41
PULLUP
TP42
SCL SDA
TP43 TP44 TP45 TP46 TP47 TP49
AGND PGND PGND PGND AGND AGND
TP50 TP51
VIN1
GND
0.01
R2
100k
R7
DNP
1nF
C5
1uF
C1
DNP
0
R1
DNP
3.9V - 24V
5A
VIN2
GND
3.9V - 24V
5A
1uF
C4
DNP
0.01
R6
0
R5
DNP
4
7,8
1,2,3
5,6,
Q3
CSD17581Q3A
4
7,8
1,2,3
5,6,
Q1
CSD17581Q3A
4
7,8
1,2,3
5,6,
Q4
CSD17581Q3A
4
7,8
1,2,3
5,6,
Q2
CSD17581Q3A
12V
D2
12V
D5
1nF
C2
100k
R3
DNP
PGND
PGND
VAC1
VAC2
1
2
J2
1
2
JP3
BYPASS
BYPASS
VAC1-VBUS
VAC2-VBUS
VBUS
VBUS
VAC1
VAC2
0.047uF
C3
BTST2
TP12
0.047uF
C13
TP3
SW2
TP10
DNP
TP5
DNP
SW1
TP6
DNP
PGND
TP11
DNP
PGND
SYS
10uF
C27
10uF
C28
10uF
C29
10uF
C30
10uF
C31
10uF
C32
DNP
PGND
33uF
C33
DNP
TP13 TP14
TP8 TP7
TP1 TP2
40V
D4
DNP
_acdrv2
40V
D1
DNP
_acdrv1
VAC2 ACDRV1 ACDRV2
10uF
C8
DNP 10uF
C7
DNP 10uF
C9
10uF
C10
PGND
BAT
VBUS
1
D-
2
D+
3
ID
4
GND
5
6 7 8
1
1
1
0
9
J6
1
2
JP8
USB D-
USB D+
1 2
JP6
1 2
JP10
PGND
PGND
D+
D-
TP19
TP20
USB_VIN
1
2
3
JP1
1
2
3
JP2
ACDRV1 ACDRV2
_acdrv1 _acdrv2
PGND PGND
VBUS
BAT
PULLUP
VBUS
BAT
PULLUP
REGN REGN
PROG
TS
ILIM_HIZ
PROG
ILIM_HIZ
TS
IBAT IBAT
/INT
/CE
/PG
STAT
/QON
/INT
/CE
/PG
STAT
/QON
SDA
SCL SCL
SDA
1uH
L1
DNP
1uH
L2
USB_VIN
1
2
3
JP7
VAC1
VAC2
1
2
3
4
J5
1
2
J4
1
2
J1
1
2
JP4
TP4
TP9
TP48
PGND
1
2
3
JP11
1000pF
C40
BAT
AGND
0.1uF
C15
0.1uF
C14
0.1uF
C24
0.1uF
C26
0.1uF
C11
294
R4
294
R9
Board Layout, Schematic and Bill of Materials
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14 SLUUC51A – June 2020 – Revised July 2020
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BQ25790EVM (BMS027) Evaluation Module User's Guide
4.2 Schematic
Figure 6 through Figure 7 illustrate the schematic for the BQ25790EVM.
Figure 6. BQ25790EVM Schematic Page 1