GND
GND
GND
3V3SB
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
+5V
GND
GND
GND
12V_M
GND
GND
GND
GND
3V3SB
GND
GND
GND GND
GND GND
GND GND
GND GND
GND
GND
GND
GND
GND
GND
GND
GND
12V
Tel +86-755-3331xxxx Fax +86-755-3331xxxx
Nanshan District, Shenzhen, Guangdong
B Building, TCL Tower, Nanhai Road
A
3
2
1
F
E
D
C
B
8
7
6
5
5
4
3
2
1
THIS DRAWING CANNOT BE COMMUNICATED TO UNAUTHORIZED PERSONS COPIED UNLES S PERMITTED IN WRITING
F
E
D
C
B
A
4
6
7
8
FORMAT DIN A2
12V_M
R200
10K
R201
BT3906
R202
10K
10K
R203
10K
R204
R205
220R
10K
R206
R207
220R
R208
R209
10K
L002
220R
C001
470U
16V
1K
10U
C003
C004
10U
0.1U
C005
C006
0.1U
C007
2U2
0.1U
C008
220P
NC/
L003
4.7UH
R002
6R8
NC/
R003
33K
R004
3K6
R005
820R
C010
22P
NC/
10U
C011
C012
10U
10U
C013
10U
C014
0.1U
C015
R900
10K
R901
R902
1K
220P
R904
D900
PESD5V0S1BL
NC/
C905
0.1U
U004
RT8096A
AS1117-3.3
U005
AS1117-1.8
U006
R010
3K3
/NC
R011
47K
R012
NC/
R013
8K2
R014
91K
R015
100K
R016
0R
NC/
R017
4R7
R018
10R
NC/
R019
1M
R020
510R
L005
1UH
C023
10U
C024
10U
GND
GND
GND
GND
GND
GND
GND
GND
GND
3V3SB
+5V
GND
GND
GND
GND
GND
12V_M
3V3SB
IR
12V
GND
GND
12V_M
R200
R201
10K
BT3906
10K
R202
10K
R203
R204
10K
R205
220R
R206
10K
R207
220R
R208
10K
220R
R209
470U
16V
L002
C001
1K
10U
10U
C003
0.1U
C005
C004
0.1U
C006
2U2
C007
0.1U
C008
220P
NC/
4.7UH
L003
6R8
NC/
33K
R002
3K6
R003
820R
R004
22P
NC/
R005
10U
C011
C010
10U
10U
C013
C012
10U
C014
0.1U
C015
10K
R900
1K
R901
220P
R902
KEY
PESD5V0S1BL
NC/
R904
D900
0.1U
C905
U004
RT8096A
U006
AS1117-3.3
R200
10K
GND
R201
GND
BT3906
GND
10K
GND
R202
10K
R204
220R
R205
R206
10K
R207
470U
16V
C001
10U
GND
0.1U
C006
2U2
0.1U
C008
NC/
220P
NC/
L003
4.7UH
R002
6R8
R003
33K
R004
3K6
R005
820R
NC/
C010
22P
C011
10U
C013
C012
10U
C014
10U
C015
10U
0.1U
10K
R900
R901
R902
1K
220P
KEY
PESD5V0S1BL
NC/
R904
D900
C905
0.1U
U004
RT8096A
AS1117-3.3
U005
AS1117-1.8
U006
/NC
R010
3K3
R011
47K
NC/ R012
100K
8K2
R013
91K
100K
R014
NC/
R015
R016
0R
GND
4R7
R017
10R
NC/
1M
R018
510R
R019
L005
1UH
R020
C023
10U
Tel +86-755-3331xxxx Fax +86-755-3331xxxx
Nanshan District, Shenzhen, Guangdong
B Building, TCL Tower, Nanhai Road
A
3
2
1
F
E
D
C
B
8
7
6
5
5
4
3
2
1
THIS DRAWING CANNOT BE COMMUNICATED TO UNAUTHORIZED PERSONS COPIED UNLES S PERMITTED IN WRITING
F
E
D
C
B
A
4
6
7
8
FORMAT DIN A2
10U
C025
0.1U
C026
0.1U
0.1U
1U
C028
C027
0.22U
C030
220P
C029
220P
NC/
22U
C031
22U
22U
22U
C036
0.1U
R205
10K
1K
10U
C006
0.1U
C007
2U2
C008
NC/
0.1U
220P
L003
4.7UH
NC/
R002
6R8
33K
R003
GND
3K6
R004
GND
820R
22P
NC/
R005
C010
10U
C011
10U
10U
C013
C012
10U
C014
C015
0.1U
10K
R900
R901
R902
1K
220P
KEY
R904
D900
PESD5V0S1BL
NC/
0.1U
C905
U005
U004
RT8096A
U006
AS1117-3.3
AS1117-1.8
3K3
/NC
R010
47K
NC/
R011
R012
8K2
220R
R013
91K
R014
100K
R015
NC/0R
R016
4R7
R017
NC/10R
12V_M
1M
R018
510R
R019
1UH
R020
L005
10U
C023
C024
10U
C025
0.1U
C026
0.1U
C027
0.1U
C028
1U
C029
0.22U
220P
NC/
C030
C031
220P
22U
22U
22U
22U
0.1U
C036
L006
2.2UH
R200
C040
10U
10K
C041
0.1U
C042
22P
C045
0.1U
R021
100K
R022
100K
R023
33K
R024
33K
L902
600R
LED_OUT
IR
KEY
KEY_GND
12V
3V3
1V8
+5V
IR
GND
GND
IR_GND
IR_3V3
BT3906
0.1U
CORE_1V2
GND
16V
470U
10K
3V3SB
C003
C004
12V_M
GND
R204
GND
R207
GND
GND
L002
10K
R209
R202
R203
220R
GND
GND
R208
C001
R206
+5V
GND
10K
3V3SB
12V
10K
10U
C005
220R
L900
12V_M
220R
L001
12V_AMP
P901
P900
3V3SB
C050
2.2U
2.2U
C051
C052
0.1U
AN_SY8291
0.1U
C053
L050
3.3UH
D050
SR34
C055
22U
C056
22U
C057
0.1U
R050
300K
R051
30K
R052
36K
C054
DDR_1V5
POWER_ON
BL_ON
PDIM
R905
150K
4.7K
R903
(Vin=5V-40V)
max:1.2A
0.6V
FSW=800KHz
Fixed Fsw=500KHZ
Vref=0.6V
(Vin=5V-22V)
max5A
Fixed OCP=6.7A
(5)
Vref=0.6V
@max1A
(Vin=2.5V-6V)
(Vin=4.5V-18V)
@max5A
Fsw=650KHz
(5)
Must controlled by PWM
L=>POWER_ON
H=>POWER_OFF
(5)
(5)
(5)
(5)
(5)
Without via on net KEY_IN
The distance between different net via>2mm
LDO 3V3 TO 1V8
LDO 5V TO 3V3
KEY Connector
*
12V TO 1V2
12V TO 5V
DDR 1V5
Vref=0.6V
MTK
MAIN POWER
(5)
Delete R114 when the I/O(KEY_IN) support 3.3V
SY8291,2015-04-23
12V TO 3V3SB
5V
R112
R113
R114
10K
RDJ5
GND
GND
R243
R244
Q213
BT3904
+5V
Q212
PMV65XP
0.1U
C280
R245
BAS316
DH1
1K