Texas Instruments bq76940 User Manual

NC
1
ALERT
2
SDA
3
SCL
4
PRECHG
5
VAUX
6
BAT
7
PRES
8
KEYIN
9
SAFE
10
SMBD
11
VEN
12
SMBC
13
DISP
14
PWRM
15
LED1
16
LED2
17
LED3
18
LED4
19
LED5
20
VSS
21
VSS
22
VSS
23
MRST
24
VSS
25
VCC
26
RBI
27
NC
28
ADREN
29
SMBA
30
U2
BQ78350DBT
50V
Q6
BSS138
1.00Meg
R54
1.0k
R48
100
R58
100
R61
100
R57
100
R62
4
1
2
3
J14
22-05-3041
GND
BATT–
E7 E8
BATT–
1.00Meg
R60
1.00Meg
R59
GND
GND
1
2
3
4
S2
4-1437565-1
1
2
J10
PEC02SAAN
100
R31
100
R36
100
R32
100
R37
BATT-
1
2
J9
PEC02SAAN
50V
Q8
BSS138
MMBT3906
Q7
10.0k
R51
1.25V
D12
GND
0.1µF
C22
10.0k
R55
TP34
DNP
TP35
DNP
TP32
196k
R49
49.9k
R53
100k
R52
Green
D17
Green
D16
Green
D15
Green
D14
Green
D18
221k
R63
GND
GND
GND
GND
GND
0.1µF
C21
1
2
3
J13
PEC03SAAN
GND
1.00Meg
R34
DNP
1.00Meg
R35
DNP
GND
ALT
16/17
Addr select
GG_PWR
GG_SCL
GG_SDA
GG_ALERT
GG_/KEYIN
GG_/PRES
SMBA
16V
D13
MMSZ5246B-7-F
5.6V
D11
5.6V
D10
5.6V
D20
5.6V
D19
TP37
TP33
DNP
/KEYIN
/PRES
1 2
3 4
5 6
7 8
9 10
J12
PEC05DAAN
GND
GG_PWR
0
R30
TP36
AFE-GG
BCX5616TA
1
3
2,4
Q9
SMB
0.1µF
C23
GND
DISPLAY
100k
R50E6E5
SCL
SDA
REGOUT
ALERT
C5
CAP1
PFD PACK–
1.00k
R40
DNP
1.00k
R41
DNP
300k
25 ppm/C
R38
13.7k
25 ppm/C
R43
50V
Q5
BSS138
-50V
Q4
BSS84W-7-F
100k
R45
TP30 TP31
100k
R44
5
4
1
2
3
6
7
J11
TSW-107-07-G-S
DNP
13.7k
25 ppm/C
R39
GND GND GND
3300pF
C20
3300pF
C19
DNP
GND
300k
25 ppm/C
R33
DNP
1.00k
R28
DNP
1.00k
R29
DNP
CHG
DSG
1.00k
R56
DNP
EDSG
ECHG
EPM
EVEN
EVAUX
0
R46
1.00Meg
R42
DNP
1.00Meg
R47
EPCHG
DNP
www.ti.com bq76920EVM Circuit Module Physical Construction
Figure 16. Schematic Diagram Gauge
27
SLVU924B–March 2014–Revised April 2014 bq76920 Evaluation Module User's Guide
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Texas Instruments bq76940 Specifications

General

Brand	Texas Instruments
Model	bq76940
Category	Motherboard
Language	English