Schematics

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
J17 1.15V source from external DC/DC converter
J25 1.15V source from power supply
(pin 1 need to connect to power supply equipment)
12V to 1.1V DC-DC Converter
1.1V/3000mA Max.
External DC/DC to 1.6V
Vout=0.765*(1+P5R17/P5R19)=1.68V
1.68V/1600mA Max.
1.1V MT7615E Core
Vout=0.765*(1+P4R2/P4R3)=1.01V
AVDD_1V6
DVDD_PCIE_1V2_IN
DVDD_PCIE_1V2_CLDO_OUT
VDD_1V1
AVDD_1V6_A
12VIN
12VIN
Size Document Number Rev
Date: Sheet of
Design By: Review By:
0.1
DIR-3060
16 23
Power_2G
liuyingB
Size Document Number Rev
Date: Sheet of
Design By: Review By:
0.1
DIR-3060
16 23
Power_2G
liuyingB
Size Document Number Rev
Date: Sheet of
Design By: Review By:
0.1
DIR-3060
16 23
Power_2G
liuyingB
C292
C/331/J/50V/NP0/0402
P4U1
U/PWM/BUCK/4.5V~17V/3A/SOT23-6/SN1501020DDCR
GND
1
SW
2
IN
3
FB
4
EN
5
BST
6
P4C1
C/106/K/25V/X5R/0805
P5R17
R/12K1/F/1/16W/0402
P4C8
C/226/M/10V/X5R/0805
P5R19
R/10K/F/1/16W/0402
P4C3
C/104/K/25V/X7R/0402
P5R16
R/10K/F/1/16W/0402
P4C4
C/104/K/25V/X7R/0402
P4C5
C/104/K/25V/X7R/0402
P5R18
R/100K/F/1/16W/0402
P4L1 L/SMD_Choke/1uH/+-30%/SMD-4.9*4.9*2.0mm
P5C38
C/104/K/25V/X7R/0402
C294
C/104/K/10V/X5R/0201
C291
C/331/J/50V/NP0/0402
P5C43
C/226/M/6.3V/X5R/0603
P4C6
C/226/M/10V/X5R/0805
R217
R/0R/F/1/16W/0402
P5C42
C/104/K/25V/X7R/0402
P5C40
C/104/K/16V/X7R/0402
P5C37
C/226/M/6.3V/X5R/0603
P4C9
C/104/K/16V/X7R/0402
R224
R/0R/F/1/16W/0402
P5C41
C/104/K/25V/X7R/0402
P4R1
R/100K/F/1/16W/0402
P3C12
C/105/K/10V/X5R/0402
P5R14
R/5K11/F/1/16W/0402
P5C8
C/226/M/6.3V/X5R/0603
P5U2
U/PWM/BUCK/4.5V~17V/2A/SOT23-6/SN1504026DDCR
GND
1
SW
2
IN
3
FB
4
EN
5
BST
6
P5L7 L/2.2uH/+-20%/4A/SMD-4.45*4.06*1.8mm
P5C39
C/106/K/25V/X5R/0805
P4C7
C/226/M/10V/X5R/0805
C293
C/105/M/6.3V/X5R/0201