DC-GH5
POWER(2) BLOCK DIAGRAM
CH1 1.22V
PW UNREG
VREGD
27
VREGD
VREGD2
62
Hx1
Hx1
ERROR AMP1
SERIAL I/F
ERROR AMP2
ERROR AMP3
ERROR AMP4
ERROR AMP5
ERROR AMP6
ERROR AMP7
CH1
STEP DOWN DC/DC
(Current mode)
64
Lx1
60
PGND1
57
Hx2
CH2
STEP DOWN DC/DC
(Current mode)
58
Lx2
59
PGND1
63
Lx1
54
Hx3
CH3
STEP DOWN DC/DC
(Current mode)
55
Lx3
53
PGND3
49
Hx4
50
Hx4
CH4
STEP DOWN DC/DC
(Current mode)
51
Lx4
52
PGND3
CH5
STEP DOWN DC/DC
(Current mode)
CH6
STEP DOWN DC/DC
(Current mode)
DRIVER
PROTECTION
SCP6
TIMER
SCP
TIMER
SS TIMER
12
21
RT
SEQ
OSC
UVLO
LDO
OVPCOMP
SHUTDOWN
VREGA
C
CP
DRIVER
P SW
1
VCC
23
CPLUS
CP SW
24
CMINUS
VREGD
VREGD2
29
VREGA
20
GND
0.3V
44
Hx5
47
Lx5
Lx5
43
PGND5
38
Hx6
39
Hx6
HVREG
DRIVER
VREGD
DRIVER
HVREG
DRIVER
VREGD
DRIVER
HVREG
DRIVER
VREGD
DRIVER
HVREG
DRIVER
VREGD
DRIVER
HVREG
DRIVER
VREGD
DRIVER
HVREG
DRIVER
40
Lx6
42
PGND5
46
41
Lx6
VREGD
VREGD
CH7
STEP UP DC/DC
(Current mode)
DRIVER
34
PGND7
33
VO7
SERIAL
I/F
ON/OFF
LOGIC
35 Lx7
61
25
HVREG
2
IC1001
(8CH SW REGULATOR)
56
PGND2
48
PGND4
26
11
VBAT
3
VBAT
45
Hx5
PW D1.2V 1
PW HDMI5V
IC2001
(VENUS ENGINE)
(G I2C CK)
(G I2C DAT)
PW D3.15V
PW USB3.15V
CD1201
CD1801
SERIAL I/F
Vo3SEL
SERIAL I/F
SERIAL I/F
SERIAL I/F
SERIAL I/F
SERIAL I/F
37
PGND6
36
PGND6
30
VINREG
VINREG
REGOUT
VDD
VREGD2IN
31
22
28
SCPLDO
TIMER
10
16
CTL SEQ3
VO3SEL
CTL SEQ2
CTL SEQ1
CTL1234
17
18
SCL
19
SDA
14
13
32
INV7
VO6
9
VO5
8
VO4
7
VO3
6
VO2
5
4
VO1
IC1252
(DC/DC CONVERTER)
6
CURRENT
PROTECTION
CURRENT
FEEDBACK
RAMP
COMPENSATION
LX
VREF
OSCILLATOR
PWM
SOFT
START
UVLO
SWITCHING
CONTROL
VIN
MODE
5
GND
+
1
CHIP
ENABLE
4
VOUT
2
CE
3
CD1251
PW D3.15V
CD1301
CD1401
CD1081
CL1101
CH2016
CH2017
AM46
AM44
PW A1.8V
PW D1.2V
CD1451
PW A3.1V
HS LIM.
ERROR
AMP.
DCS-CONTROL
TM
COMP.
IC1081
(STEP DOWN CONVERTER)
2
15
16
12
SW
PVIN
FSW
GATE
DRIVE
POWER
CONTROL
CONTROL
LOGIC
13
PGND
PGND
SOFT
START
UVLO
THERMAL
SHUTDOWN
TIMER T
ON
DIRECT CONTROL
& CONPENSATION
PG ONTROL
7
VOS
14
FB
5
11
PVIN
AVIN
EN
9
SS/TR
8
DEF
LS LIM.
COMP.
1
SW
3
SW
COMP.
15
16
PGND
AGND
PGND
4
PG
+
-
10
6
PW D3.5V
CD1051
PW D5.2V
IC1451
(REGULATOR)
2
3
4
1
VOUT
VSS
VIN
EN
IC1471
(NEGATIVE VOLTAGE
OUTPUT)
4
5
3
1
6
CN
VOUT
NC
CONT
VEE
2 GND
PW -1.2V
CD1491
PW LEN4.2V
CD1601
IC1704
(REGULATOR)
2
3
4
1
VOUT
VSS
VIN
CE
IC1702
(REGULATOR)
2
3
4
1
VOUT
VSS
VIN
CE
PW VD33
CD1701
IC1703
(REGULATOR)
2
3
4
1
VOUT
VSS
VIN
CE
PW DVCC18
CD1703
PW AVCC33
CD1702
D1491
1
3
2
IC1481
(DC/DC CONVERTER)
6
CURRENT
PROTECTION
CURRENT
FEEDBACK
RAMP
COMPENSATION
LX
VREF
OSCILLATOR
PWM
SOFT
START
UVLO
SWITCHING
CONTROL
VIN
MODE
5
GND
+
1
CHIP
ENABLE
4
VOUT
2
CE
3
CD1481
PW D1.8V
(IS PWR ON4)
IC6402
(SYSTEM IC)
CD1001
POWERCTLSW
(POWER CTL SW)
L9
PIOB6 D10
(IS PWR ON4)
VREGA
(To IC1903-3/QR4501-E)
(IS PWR ON2)
PIOA7 H9
PIOA1 C3
(
IS PWR ON1)
Q3502
QR3502
Q3501
QR3501
IC3501
(REGULATOR)
2
3
4
1
VOUT
VSS
VIN
CE
PW ISD1.8V
PW D1.2V 21
PW D1.2V 11
(IS PWR ON3)
PIOB7 E8