Texas Instruments Evaluation Module for Lead Acid, switchmode BQ2031 DV2031S2 DV2031S2 数据表
产品代码
DV2031S2
5
TB1
1
2
2
1
+5V
+5V
1
1
2
1
2
2
IN
GND
OUT
VDC
D6A
D6B
U2
78L05
D1
1N4148
1N4148
D2
1N4744
1N4744
Q3
ZTX790A
Q1
MTP23P06V
Q2
2N3904
D7B
1N5821
1N5821
D7A
SBL845DI
SBL845DI
C6
1000
µ
F
35V
C7
10
µ
F
35V
C3
10
µ
F
C5
0.1
µ
F
bq2031
2031s2-b.eps
U1
LED2/DSEL
LED1/TSEL
LED1/TSEL
LED3/QSEL
MOD
COM
TPWM
TMTO
16
LED2
LED1
LED1
LED3
15
14
13
12
11
10
14
13
12
11
10
9
1
1
2
3
1
2
3
1
2
3
2
3
4
5
6
7
8
3
4
5
6
7
8
FLOAT
BAT
VCOMP
ICOMP
IGSEL
SNS
TS
VCC
VSS
VSS
C2
0.1
µ
F
L1
200
µ
H
R21
20K
C15
0.1
µ
F
C14
470
µ
F
35v
C11
0.01
µ
F
C8
C1
0.1
µ
F
C10
0.1
µ
F
C13
0.1
µ
F
R10
10K
JP3
TSEL
JP2
DSEL
JP1
QSEL
R11
10K
Q5
2N3904
R9
10K
R1
1K
R13
0_OHMS
D5
LED3
D3
LED2
D4
LED1
See application note for additional details.
Not used
C12
1000pF
R5
62K
R22
43_OHMS
Q4
ZTX790A
R19
464K
1%
1%
R12
49.9K
1%
+5V
+5V
3
2
1
2
1
R18
1K
R2
6.81K
1%
1%
R3
3.74K
1%
1%
JP4
IGSEL
R8
220
C9
10
µ
F
R4
10K
R16
52.3K
1%
1%
R15
102K
1%
1%
R17
154K
1%
1%
R14
261K
1%
1%
R20
0.10
2W
2W
TEM
BAT
TB2
BAT+
BAT-
TEM-
TEM+
2 Cell
JP5
2
1
2
2
3
4
4
4 6 8
1 3 5 7
3 Cell
4 Cell
6 Cell
R6
10K
R7
100K
C4
1000pF
VDC+
1N5821
SBL845DI
DV2031S2 Board Schematic
DV2031S2
Rev. B Board