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PW +B
1
2
3
BOOT
VIN
SW GND
IC1211
(SYNCHRONOUS
STEP-DOWN
SS
EN
COMP
CONVERTER)
8
7
6
POWER CTL1
1
2
3
BOOT
VIN
SW GND
IC1241
(SYNCHRONOUS
STEP-DOWN
SS
EN
COMP
FB
CONVERTER)
8
6
7
IC3501
(MPEG CODEC)
CH1451
VBUS ON H
GPIO4
R1
CH1452
VBUS OCP
GPIO5
R2
CH1213
FUN OFF H
GPIO13
N2
CH1212
FUN FULL ON
GPIO22
L3
POWER CTL4
POWER CTL2
Q1311
4
5
4
Q1312
FB
1
2
3
5
IC1411
(REGULATOR)
QR1312
QR1311
4
6
IC1451
OUT
ILIM
(POWER
DISTRIBUTION
5
SWITCH)
IN
GND
1
1
2
3
4
BOOT
VIN
SW GND
IC1261
(SYNCHRONOUS
STEP-DOWN
SS
EN
COMP
FB
CONVERTER)
8
7
6
5
1
2
3
4
BOOT
VIN
SW GND
IC1231
(SYNCHRONOUS
STEP-DOWN
SS
EN
COMP
FB
CONVERTER)
8
7
6
5
4
3
VIN
VOUT
4
3
5
4
VIN
VOUT
VIN
VOUT
EN
GND
1
2
EN
GND
CONT
GND
NC
2
1
1
2
3
IC1413
IC1412
(REGULATOR)
(REGULATOR)
Q1451
5
4
4
3
/FAULT
IC1463
5
2
(REGULATOR)
EN
6
1
QR1451
2
3
1
2
3
4
BOOT
VIN
SW GND
STBY
IC1221
(SYNCHRONOUS
STEP-DOWN
SS
EN
COMP
FB
CONVERTER)
8
7
6
5
1
2
3
VBIAS
VSS
VIN
IC1431
IC1432
(REGULATOR)
(REGULATOR)
CE
SS
VOUT
6
5
4
6
5
4
VDD
NC
CE
IC1414
(REGULATOR)
VOUT
CS
GND
1
2
3
4
3
VIN
VOUT
CE
GND
1
2
5
4
1
2
3
Q1321
6
5
4
GND
NOISE
IC1421
4
3
(REGULATOR)
VIN
OUT
IC1423
VIN
VOUTVOUT
(REGULATOR)
3
CE
GND
1
2
2
1
IC704
(REGULATOR)
1
2
3
VBIAS
VSS
VIN
CE
SS
VOUT
6
5
4
PW REG5V A
CL1413
PW HDM5V
CL1211
PW 5V
CL1417
PW FAN5V
CL1411
PW REG5V
CL1412
PW MIC5V
CL1414
PW AUDIO5V
CL1241
PW LENS5V
CL1451
PW VBUS5V
CL1463
PW TCXO3V
CL1261
PW MOS3.5V
PW SD3.2V
PW HDM3.2V
PW EYE3.2V
PW SPK3.2V
PW LENS3.2V
CL1221
PW 3.2V
CL1421
PW REG3V
CL1423
PW REG2.5V
PW GYRO3V
PW MROPT3V
4
3
VDD VOUT
PW ZMAD3V
PW MR3V
CE
GND
1
2
PW DDR1.8V
PW ANA1.8V
CL1231
PW REG1.8V
PW FPG1.8V
PW D1.5V
4
3
VDD VOUT
IC703
(REGULATOR)
CE
GND
2
1
CL1332
PW GTP1.0V
CL1331
PW GTP1.2V
HC-X1 POWER SUPPLY CIRCUIT(2) BLOCK DIAGRAM
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