Sharp LC-65LE645U - Page 87

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
SOC STANDBY POWER +3V3SB
0.6x(1+100K/21.5K)=3.39V
I :193mA
+3.3V Power for SOC/Tuner/ Audio Block digital power
H:Poweron
L:Poweroff
I :731mA
I :2.07A
SOC CORE POWER +1.15V
0.6x(1+20K/21.5K)=1.158V
#0704 MAX 3.5A (RTD2986IK surface over 90C, current could be become 4A)
I :178mA
0.6x(1+20K/13.3K)=1.50V
SOCDDRPower1.5V
# 0801:Power sequence optimizatiom
# 0801:Leaking current issue analysis
# 0801:SOC DDR power structure modify (No suppoert enable pin)
Delete CP2, CPE5, UP3, RP71, RP72, CPE6, CP16, CP42, FBP7
# 0801:SOC DDR power structure modify (Suppoert enable pin)
Create CP14, CP30, RP63, CP15, RP64, CP19, UP4, RP75, RP76, CP17, CP18, CP35, FBP6
# 0804:SOC DDR power structure modify (Change high current supply IC)
Create RP66, LP3, CP29
# 0812:Rise up +3V3SB voltage let +3.3V could meet DRV632PWR min. power range
STANDBY
STANDBY
STANDBY
STANDBY
+5VSB
+3V3SB
+3.3V
+3V3SB
D3V3
M3V3
A3V3
+3V3SB
+5VSB
D1V1+1.2V
+5VSB +1.5V_DDR3
DDR_POWER
+3.3V
STANDBY 4
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
System Power
LC-65LE645U(366501620150)
3
20
PCN0003586
017122725675.BRD
01
01
366501620150_PCN0003586.DSN
0171-2272-5675
Friday, September 26, 2014
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
System Power
LC-65LE645U(366501620150)
3
20
PCN0003586
017122725675.BRD
01
01
366501620150_PCN0003586.DSN
0171-2272-5675
Friday, September 26, 2014
MODEL
Sheet
REV:
of
CIRCUITY
PCB REV:
PCB FILE :
PCB P/ N:
ECN NO:
TECHNOLOGY
APPROVED BY:
CHECKED BY:
SCH FILE :
DATE:
DESIGN BY:
System Power
LC-65LE645U(366501620150)
3
20
PCN0003586
017122725675.BRD
01
01
366501620150_PCN0003586.DSN
0171-2272-5675
Friday, September 26, 2014
CP17
10uF/10V
0805C
RP67
NC
CP7
10uF/10V
CP25
0.1uF/16V
RP59 47K
CP18
10uF/10V
0805C
RP65 10K
CP30
0.1uF/16V
RP79 10K
RP75
20K_F
QP10
LMBT3904LT1G
2
1 3
CP19
1uF/10V
LA8013
UP4
VFB
4
GND
2
VIN
1
EN
3
LX
5
CP11
10uF/10V
RP55
1K
RP56 0
0805R
RP68
100K_F
0402R
LA8013
UP15
VFB
4
GND
2
VIN
1
EN
3
LX
5
CP35
0.1uF/16V
RP62
10K
CP21
1uF/10V
LP2 2.2uH/4.8A
1 2
CP55 0.1uF/16V
CP22
0.1uF/16V
CP4
10uF/10V
0805C
CP13
10uF/10V
S
QP4
AP2309GN
SOT23_GSD
3
1
2
CP5
10uF/10V
CP15
NC
0805C
CP34
10uF/10V
0805C
RP61
10K
RP70
21K5_F
CP31
0.1uF/16V
RP64
10K_F
RT7295A
UP16
FB
3
GND
2
VIN
5
EN
4
SW
6
BOOT
1
CP28
330pF/50V
RP69
20K_F
CP20
0.1uF/16V
CP26
0.1uF/16V
LP3 2.2uH/1200mA
1 2
CP12
10uF/10V
FBP6 80ohm/6A
0805L
CP10
10uF/10V
CP14
10uF/10V
0805C
CP23
0.1uF/16V
RP57
10K
CP33
NC
LP1 2.2uH/1200mA
1 2
CP27
0.1uF/16V
RP76
13K3_F
CP32
0.1uF/16V
RP63 NC
RP66
NC
DP5 LL4148WP
1206D
CP29
330pF/50V
RP73
21K5_F