STMicroelectronics Low cost Li-Ion battery charger demonstration board based on the ST7260 and L6924U STEVAL-ISB007V1 STEVAL-ISB007V1 Data Sheet
Product codes
STEVAL-ISB007V1
STEVAL-ISB007V1
Circuit schematics
3/6
Figure 2.
Battery charger
(1)
1.
Pin no.description of L6924 is taken for both L6924D and L6924U.Pls refer to respective datasheets
S
T2
VBAT
IE
N
D
VI
N
VIN
S
T1
S
D
VIN
IS
EL
MO
D
E
VI
N
NT
C
VPQFN16
1A
+
C3
10
u
F
+
C3
10
u
F
D3
LE
D
D3
LE
D
R1
1
10k
R1
1
10k
R2
0
14k
R2
0
14k
R1
0
3.
5k
R1
0
3.
5k
J11J11
1
2
3
R2
1
10k
R2
1
10k
R2
4
0
R2
4
0
R1
5
10k
R1
5
10k
R5
470
R5
470
C4
1nF
C4
1nF
C5
1
u
F
C5
1
u
F
C6
1
u
F
C6
1
u
F
D4
LE
D
D4
LE
D
R2
3
20k
R2
3
20k
U2
L
6924D/
U
U2
L
6
924D/
U
Vi
n
1
Vi
n
S
N
S
2
S
T2
3
S
T1
4
TPR
G
5
GND
6
SD
7
TH
8
Vop
rg
/Is
el
9
Vo
s
n
s
10
Vo
u
t
11
Vre
f
12
Ie
n
d
13
Mo
d
e
/V
p
re
14
Ius
b
/I
p
rg
15
Ia
c/
Ip
re
16
R1
6
0
R1
6
0
R1
4
470
R1
4
470
R4
1k
R4
1k
C8
8.
8nF
C8
8.
8nF
J12J12
1
2
3
R1
2
470
R1
2
470
R9
30k
R9
30k
Obsolete Product(s) - Obsolete Product(s)