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Schematic
UM0497
16/21
Appendix A
Schematic
Figure 11.
Schematic
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
USBDP
BATTOUT
I_
A
IN
3
V_AI
N1
SW1_PWM
SW
2_PW
M
RESET_LI
TE1BX
ST1
V_AI
N1
T_AI
N2
I_
A
IN
3
ST2
SW
1_PW
M
SW
2_PW
M
OSC1_LI
TE
OSC2_LI
TE
ICCDATA_LI
TE
ICCCLK_LI
TE
RESET_LI
TE1BX
OSC1_LI
TE
OSC2_LI
TE
OSCEXT_LI
TE
BATTOUT
ICC_DATA
OSC_I
N
RESET_ST7260
VPP_7260
USBDM
USBDP
ICC_CLK
OSCOUT
ICC_DATA
ICC_CLK
VPP_7260
OSC_EXT
OSC_I
N
RESET_ST7260
VPP_7260
OSCOUT
OSC_EXT
RESET_LI
TE1BX
USBDM
USBDP
ST2
ST1
USBDM
OSCEXT_LI
TE
ICCDATA_LI
TE
ICCCLK_LI
TE
RESET_ST7260
SHDN_CHG
SHDN_CHG
VBUS_MON
VBUS_MON
ST2
ST1
SHDN_CHG
T_AIN2
USBDM
USB VDD
VDD_LI
TE
VBUS
VBUS
VDD_LI
TE
VBUS
VBUS
USB_SUPPLY
VBUS
USB_SUPPLY
USB_SUPPLY
VDD_LI
TE
VREG
USB_SUPPLY
VREG
VREG
USB_SUPPLY
VBUS
VDD_LI
TE
VBUS
VDD_LI
TE
VDD_LI
TE
Ti
tle
Si
ze
Docume
nt
Numbe
r
Re
v
D
a
te:
S
h
eet
of
USB BATTERY
CHARGER _V1
1
US
B
B
A
T
T
E
RY
CHA
RG
E
R
11
Monda
y,
Ja
nua
ry
07,
2008
Ti
tle
Si
ze
Docume
nt
Numbe
r
Re
v
D
a
te:
S
h
eet
of
USB BATTERY
CHARGER _V1
1
US
B
B
A
T
T
E
RY
CHA
RG
E
R
11
Monda
y,
Ja
nua
ry
07,
2008
Ti
tle
Si
ze
Docume
nt
Numbe
r
Re
v
D
a
te:
S
h
eet
of
USB BATTERY
CHARGER _V1
1
US
B
B
A
T
T
E
RY
CHA
RG
E
R
11
Monda
y,
Ja
nua
ry
07,
2008
3 PIN BATTERY
FOOTPRINT
IMS SYATEM LAB
FOR 1A TRACK
500mA
DC TO DC
pwr select
USB-B
OPTIONAL
OPTIONAL
R31
100k
R31
100k
C15
100nF
C15
100nF
1
2
R13
10k
R13
10k
C8
100nF
C8
100nF
1
2
C9
100nF
C9
100nF
1
2
R29
56
R29
56
J9
CON1
J9
CON1
1
C24
100nF
C24
100nF
C13
100nF
C13
100nF
1
2
SW
1
RESET
SW
1
RESET
1
2
R19
10k(
0
.1
%)
R19
10k(
0
.1
%)
C20
33pF
C20
33pF
Q6
2STR1215
Q6
2STR1215
R26
0.
5/
1W
(1
%)
R26
0.
5/
1W
(1
%)
R10
10k
R10
10k
R6
16k
R6
16k
D8
LED
D8
LED
C18
33pF
C18
33pF
C23
200uF
C23
200uF
C4
100nF
C4
100nF
Q7
2STR1215
Q7
2STR1215
R24
82
R24
82
Y1
16MHZ
Y1
16MHZ
J3
CON12
J3
CON12
1
2
3
4
5
6
7
8
9
10
11
12
R4
0
R4
0
SW
2
RESET
SW
2
RESET
1
2
D9
LED
D9
LED
J4
CON12
J4
CON12
1
2
3
4
5
6
7
8
9
10
11
12
Q5
2STR1215
Q5
2STR1215
R20
100
R20
100
J12
CON1
J12
CON1
1
C3
4.
7uF/
25V
C3
4.
7uF/
25V
C7
100nF
C7
100nF
1
2
C21
33pF
C21
33pF
R18
330
R18
330
JP16JP16
1
2
Q9
2STR1215
Q9
2STR1215
R11
1k
R11
1k
J6
CON10A
J6
CON10A
1
2
3
4
5
6
7
8
9
10
C5
100nF
C5
100nF
1
2
R41
100k
R41
100k
R25
5k(
0
.5
%)
R25
5k(
0
.5
%)
C6
1uF/
16V
C6
1uF/
16V
R38
10k
R38
10k
Q8
2STR1215
Q8
2STR1215
J7
CON3
J7
CON3
1
2
3
C17
100nF
C17
100nF
1
2
R33
10k
R33
10k
R42
10k
R42
10k
JP13JP13
1
2
R3
18k
R3
18k
R40
4k7
R40
4k7
C11
100nF
C11
100nF
1
2
D5
TL1431AI
Z
D5
TL1431AI
Z
C12
470uF/
16V
C12
470uF/
16V
TP1TP1
1
J10
CON1
J10
CON1
1
D1
1N5817
D1
1N5817
R36
10k
R36
10k
JP15JP15
1
2
Y2
12MHZ
Y2
12MHZ
L1
10uH
L1
10uH
1
2
JP12JP12
1
2
C19
10nF
C19
10nF
1
2
R32
1k
R32
1k
U5
ST7FLI
T15BY
0
M6
U5
ST7FLI
T15BY
0
M6
VSS
1
VDD
2
RESET
3
CO
M
P
IN+
SS/AIN0
/PB0
4
SCK/AIN1
/PB1
5
M
ISO
/AIN2
/PB2
6
M
O
SI/AIN3
/PB3
7
COM
P
IN-/CL
KIN/AIN4
/PB4
8
PA7
(HS)CO
M
P
O
U
T
9
PA6
/M
CO/ICCCL
K/BREAK
10
PA5
(HS)/AT
P
W
M
3
/ICCDAT
A
11
PA4
(HS)/ATPW
M
2
12
PA2
(HS)ATPW
M
0
13
PA0
(HS)/L
TIC
14
OSC2
/PC1
15
O
S
C1
/CL
K
IN/PC0
16
L2
33uH
L2
33uH
C2
47uF/
16V
C2
47uF/
16V
R16
50
R16
50
R43
POT
R43
POT
1
3
2
R37
1M
R37
1M
R17
4k4(
0.
1%)
R17
4k4(
0.
1%)
R9
0
R9
0
R34
1k
R34
1k
J5
CON3
J5
CON3
1
2
3
R28
10k
R28
10k
C22
10nF
C22
10nF
1
2
Q2
2STR2215
Q2
2STR2215
J8
CON10A
J8
CON10A
1
2
3
4
5
6
7
8
9
10
D3
LED
D3
LED
JP1JP1
1
2
JP3JP3
1
2
C1
47uF/
16V
C1
47uF/
16V
D7
1N5819
D7
1N5819
J1
CON4
J1
CON4
4
3
2
1
5
6
C10
100nF
C10
100nF
R7
10k
R7
10k
C16
33pF
C16
33pF
U4
ST72F60E2M1
U4
ST72F60E2M1
VDD
1
OSCOUT
2
OS
CI
N
3
VSS
4
TD
O
/PC
1
5
RDI/PC0
6
RESET
7
IT
7/
P
B
6
(10m
A
)
8
Vp
p
/TEST
9
PB3
/(1
0
m
A)
10
PB2
/1
0
(m
A
)
11
USBO
E/PB1
(1
0
m
A)
12
PB0
(1
0
m
A)
13
PA7
/O
CM
P2
/IT4
14
PA5
/ICAP2
/IT2
15
PA4
/ICAP1
/IT1
16
PA3
/EXTCL
K
17
PA2
(2
5
m
A)/SCL
/ICCCL
K
18
PA1
(2
5
m
A)/SDA/ICCDAT
A
19
PA0
/M
CO
20
Vs
s
a
21
USBDP
22
USBDM
23
USBVc
c
24
R30
4k7
R30
4k7
D4
LED
D4
LED
R23
470
R23
470
U2
L6920D
U2
L6920D
FB
1
LB
I
2
LB
O
3
REF
4
SHDN
5
GND
6
LX
7
OUT
8
Q3
2STR2215
Q3
2STR2215
R8
100k
R8
100k
JP14JP14
1
2
R27
1
K
R27
1
K
R15
1k
R15
1k
R2
100k
R2
100k
Q4
2STR1215
Q4
2STR1215
R35
4k7
R35
4k7
J11
CON1
J11
CON1
1
D6
1N5819
D6
1N5819
R39
4k7
R39
4k7
Q1
2STR2215
Q1
2STR2215
U1
ST890BDR
U1
ST890BDR
IN
1
IN
2
ON
3
GND
4
SET
5
OUT
6
OUT
7
FAU
L
T
8
R14
1k
R14
1k
M1
STT3PF30L
M1
STT3PF30L
U3
STM1061N25W
X6F
U3
STM1061N25W
X6F
OUT
1
VSS
2
VCC
3
R21
1k5
R21
1k5
BT1
BATTERY
BT1
BATTERY
1
2
3
C14
100nF
C14
100nF
1
2
R22
5k(
0
.5
%)
R22
5k(
0
.5
%)
J2
CON8
J2
CON8
1
2
3
4
5
6
7
8
D2
1N5817
D2
1N5817
R5
200k
R5
200k