5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
有
DV
FS
功能，此
DC
DC
不能更改
靠近
DCDC
R1
靠 近
DCDC
远端反馈，从
IC
底部引线
C45
用于调节时序
12VS-->5V_Standby 12VS-->0.95V VDDC
12VS-->0.95V VDDC CPU
3.3V_Normal-->1.8V_Normal
Vout=0.8*(1+R1/R2)=1.24V
3.3V_Normal-->1.2V_MOD_VTERM
R1
R2
Vin=2V-6V
Iout_max=600mA
Vref=0.8V
R2
≦
80K
Vin=4.5
～
18V
Iout=6A
Vref=0.765V
Freq=650KHz
Vout=0.765(1+R1/R2)=0.970V
1000mA
散热器 四角增加导电泡棉接地
散热器&螺丝孔&Mark
Main power connector Power on/off
H :Power on
L :Power off
Backlight on/off
Backlight control
5V_Standby-->5V_Normal
Vin=2.0
～
5.5V
Imax=1A
TA= +75°C ,Iout=535mA
低功耗
5V_Standby-->3.3V_Standby
12VS-->+1.5V_DDR(内置两颗，外置两颗供电)
Vinmax=15V
Vref=1.25V
Vout=1.25(1+R1/R2)=1.81V
I25=767mA
I60=552mA
R1
R2
与公版极性相反，需软件配置
与公版极性相反，需软件配置
H :off
L :on
H :off
L :on
15
3.6mA/269mA
13.5mA/225mA
100mA
850mA/1570mA
1000mA
4045mA
286.96mA/683mA
+Tuner
701.96mA/1098mA
12VS-->3.3V_Normal
Vin=4.5
～
16V
Iout=3A
Vref=0.807V
Freq=600KHz
R2=5KΩ
～
100KΩ
IR2=5uA
～
30uA
Vout=0.807(1+R1/R2)=1.51V
1653.6mA/1769mA
+Tuner
2068.6mA/2184mA
BO
M默认上R9 按照PWM调光设计
R8、R500 作为模拟调光预留
R15、R11作为调整电压大小预留
L
OD
OD
VDDC
L
OD
OD 0.953V
L
1.044V
L
56K
44.84K
VID[1] R2
39.16K
33.35K
1.008V
1.100V
VID[0]
Addr 0x80
I2C速率不超过100KHz
Vin=4.5
～
16V
Iout=3A
Vref=0.828V
Freq=600KHz
R2=50KΩ
Vout=0.828(1+R1/50)=0.964V
Setting
0.970V
1.021V
1.058V
1.109V
1000mA
+Tuner
1415mA
靠近主芯片放置
1%
靠近
SO
C
靠近
DC
-DC
输出大于
3.3V
需要此电容
R2
靠近
DC
-DC
R1
R2
R1
Vin=4.5
～
16V
Iout=3A
Vref=0.807V
Freq=600KHz
R2=5KΩ
～
100KΩ
IR2=5uA
～
30uA
Vout=0.807(1+R1/R2)=5.16V
靠近
DC-DC
Vin=4.5
～
16V
Iout=3A
Vref=0.807V
Freq=600KHz
R2=5KΩ
～
100KΩ
IR2=5uA
～
30uA
Vout=0.807(1+R1/R2)=3.34V
预 留 调 试
EMC
靠近
DC
-DC
PWR-ON/OFF
DIMMING2
BL_EN
DIMMING
POWER ON/OFF
PANEL_ON/OFF
POWER ON/OFF
PWR-ON/OFF
BL_EN
VBL_CTRL
BRI_ADJ
PWR-ON/OFF
PWR-ON/OFF
+0.95V_VDDC
+0.95V_VDDC
DIMMING2
DIMMING
12VS +0.95V_VDDC_CPU
+1.8V_Normal+3.3V_Normal
+3.3V_Normal
1.2V_MOD_VTERM
12VS
12VS
VCC_A
+5V_Standby
+5V_Standby
+3.3V_Standby
+5V_Normal
+5V_Normal
+5V_Standby +5V_Normal
+5V_Standby +3.3V_Standby
12VS
+1.5V_DDR
+3.3V_Standby
+3.3V_Normal
+0.95V_VDDC
12VS
12VS
+5V_Standby
12VS
+3.3V_Normal
+5V_Normal
+3.3V_Standby
DCDC-SDA (5)
DCDC-SCL (5)
PWR-ON/OFF
(5)
VBL_CTRL(5)
BRI_ADJ(5)
PANEL_ON/OFF
(5,9)
DIMMING
9
VID_0 5
VID_15
Title
Size Document Number Rev
Date: Sheet of
System pow er
v1.0
MSD6886NQH
Custom
4 15Tuesday, November 27, 2018
Title
Size Document Number Rev
Date: Sheet of
System pow er
v1.0
MSD6886NQH
Custom
4 15Tuesday, November 27, 2018
Title
Size Document Number Rev
Date: Sheet of
System pow er
v1.0
MSD6886NQH
Custom
4 15Tuesday, November 27, 2018
R551 22k/NC
VCCA
C62
22u/6.3
VV
C13 10u/16V
R4
1k
C22 1u/16V
R492
10R
R500 1k/NC
M3
MARK/NC
C31
100n/16V
R30
402R
1%
L4
4.7 uH
Idc2
= 4.2A
R3
1k
C493
47n/16V
C43 22u/6.3
VV
R34
24.9k
1%
R40
150k
3DPW M
N10 TLV1117LV33DCY
A
DJ
1
VOUT_1
4
VIN
3
VOUT_2
2
C60
10p/50V
C28 22u/6.
3V
C8 22u/6.3
V
C3
100n/16V
R61
13.7k
R47
100k
3DEN
C394 1u/16V
G
4
SMR
S4
D4/NC
C494
47n/16V
R20
4.7k
V3
MMBT3904LT1
3
1
2
C24
100n/16V
R23
10k
C54
22u/6.3VV
R8 1k/NC
L3
2.2 uH
Idc2
= 5.15A
C37
100p/50V
C
34
100n/16V
R62
46.4k
1%
PWM
R10
4.7k
R48
10k
R18
10k
C18 22u/6.
3V
V5
AO3401L
Vin =
30V
Iout = 4.2/3.5A
1
2 3
C4
100n/25V
G
2
SMR
C48
2.2u/10VV
C395
100n/25V/NC
C53
22u/6.3
VV
R7
10k
C331 22u/6.3
VV/NC
N11 SPX1117M3-ADJLD1117A-ADJ
A
DJ
1
VOUT_3
2
VIN
3
VOUT
4
C41
100n/2
5V
R57
43k
C49
1u/16V
V1
MMBT3904LT1
1
2 3
C46 1u/16V
R12
100R/
NC
S2
D4/NC
R495
100k
C19
22u/6.3V/NC
N32 TPS56628DDAR
VIN
8
EN
1
VRG5
3
PG
4
GND
5
VFB
2
VBST
7
SW
6
E
PAD
9
R26
44.2k
1%
R11
10k/NC
G
3
SMR
R29
56k
R51
2.2k
R9 1k
C30
2.2u/10VV/NC
C23
10u/16V
C
32
100n/16V
R58
40.2k
1%
R550 22k/NC
R21
10k/NC
VD1MBR0520LT1/B0520LW /NC
1 2
R1
2k
C21 100n/16V/NC
C16 1u/25V
L1
SPM6550T-2R2M
C332 22u/6.3
VV/NC
G
1
SMR
R31
8.2k
1%
C7
22u/6.3
V
R45
15k
1%
S3
D4/NC
R46
0R
C47
100n/16V
R13
10k
R
16
1k
C44 100n/16V
R59
43k
1%
R60
20k
R54
10R
N30
MP1658GTF
VIN
1
FB
6
SW
2
EN
5
GND
3
BOOT
4
R56
10k
C5
10u/16V
C496
100n/16V/NC
C64 100n/16V
C36
100n/16V/NC
C42 10u/16
V
C66
10p/50V
R2
4.7k
C38
100n/16V
C1
100n/25V
R65
10k
V6
MMBT3904LT1
1
2 3
C61
10u/16V
R25
100k
C6
10u/16V
PWM2
C59
10u/16V
C25
10p/50V
R50
20k
V4
MMBT3904LT1
3
1
2
L6
2.2 uH
Idc2
= 5.15A
R491
100k/NC
R38
10.2k
C495 470n/16V
C17 1u/25V
R552 22k/NC
XP1
1 2
3
5
7
9
11
13
15
4
6
8
10
12
14
16
C27
1n/50V/NC
C51
10u/16V
C52
1u/16V
R55
100k/NC
C10
22p/50V/NC
R14
4.7k
R
44
110R/NC
C57
100n/25V
C2
1u/16V
N12 AP7365-WG-7
VIN
1
EN
3
VOUT
5
ADJ
4
G
ND
2
C39 10u/16
V
R19
1k
R52
10k
C15 100n/16V/NC
N31
MP1658GTF
VIN
1
FB
6
SW
2
EN
5
GND
3
BOOT
4
L2
4.7 uH
Idc2
= 4.2A
R43
8.2k
1%
C40 10u/16
V/NC
C58
10u/16V
MSH6103AN33
5V
3
SDA
4
EN
1
FB
2
PVDD
8
BST
7
SCL
5
LX
6
P
owerPAD
9
C55 100n/16V
C11
2.2u/10VV
R493 22k
R5
0R
N34
MP1658GTF
VIN
1
FB
6
SW
2
EN
5
GND
3
BOOT
4
STB
C20
22u/6.
3V/NC
C63
22u/6.3
VV
M1
MARK/NC
C14 10u/16V
R15
10k/NC
VCC1
R49
8.2k
1%
C497 100n/16V/NC
C12
100n/16V
V2
MMBT3904LT1
1
2 3
C33
10u/6.3V
M4
MARK/NC
VCC2
R32
10R
R39
75k
E1
RSAG7.308.0300
N
C1
1
N
C2
2
R27
15k/NC
1%
C50
100n/25V
C45
100n/16V
C35
10u/16V
R35
180R
1%
R28
15k
1%
SW
R6
4.7k
R22
22R/
NC
R17
0R
M2
MARK/NC
R41
120k
C29
1u/10V
S1
D4/NC
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