Altera Stratix IV E FPGA Development Board - Manual (Page 66)

2–58 Chapter 2: Board Components
Power Supply
Stratix IV E FPGA Development Board Reference Manual May 2011 Altera Corporation
Power Distribution System
Figure 2–9 shows the power distribution system on the development board.
Figure 2–9. Power Distribution System
TPS74801
1.8 V
Wide Input
Switching
Regulator
Module
(LTM4604A)
12V
Power Net
HSMC Port A, B, LCD Display
12 V
5.37 V
5.37 V
U20
2.5_V Partial Plane
CPLD, Marvell PHY,
SSRAM, Flash
2.5V_B4B Partial Plane
2.5V_B1_B8
Partial Plane
FPGA VCCIO Bank 4B
1.5V_VCCPT
S4E VCCPT
Power Net
RLDRAM II VDD
1.5 V
2.5 V
2.5 V
2.5 V
14 V - 20 V
DC INPUT
1.1V_VCC
Stratix III VCC 1.1 V
FPGA VCCIO Banks 1 & 8
1.5V_1.8V_B7
Partial Plane
FPGA VCCIO (B7)
12 V
5.0V_MONITOR1
Power Net
LTC2418
5.0 V
VCC
FPGA (SIII 1.1 V and SIV)
VCCL and VCC
0.9 V/1.1 V
2.5 V
5.0V
Power Net
Regulator Bias, MAX3378,
14-pin LCD Header
1.5 V
1.5V_DIMM
Partial Plane
DIMM VDD/VDDQ 1.5 V
1.5V_DDR3
Partial Plane
FPGA VCCIO (B3, B4)
1.5 V
3.3V
Power Net
HSMC Port A, B
2.5V_VCCPD
Partial Plane
VCCPD
2.5 V
2.5V_FPGA
2.5V_VCCPGM
Partial Plane
VCCPGM
2.5v_VCC_CLKIN
Partial Plane
VCC_CLKIN
VTT_RLDRAM II
Power Net
RLDRAM II Termination
VTT_QDRII
Power Net
QDRII Termination
2.5V_A, VCCPT, VCCAUX
Power Net
FPGA VCCA_PLL, VCCAUX,
S3_VCCPT
R
SENSE
R
SENSE
R
MEASURE
R
SENSE
R
MEASURE
R
MEASURE
R
MEASURE
Linear
(LT3026)
5.0 V
1.8 V
5.0 V
3.3 V
R
MEASURE
2.5 V
R
MEASURE
R
SENSE
VTT_DIMM
Power Net
Linear
(TPS5100)
R
SENSE
R
SENSE
VCCD_PLL
Power Net
FPGA_VCCD_PLL
1.1V
Power Net
ENET PHY DVDD
2.5V_B5_B6
Power Net
FPGA VCCIO (Bank 5 & 6)
Linear
(LT1764A)
R
MEASURE
R
MEASURE
VDDQ_QDRII
Partial Plane
QDRII VDDQ
1.5V_1.8V_B2
Partial Plane
FPGA VCCIO (B2)
VDDQ_RLD
Partial Plane
RLDII VDDQ
1.5 V/1.8 V
1.5 V/1.8 V 1.5 V/1.8 V
1.5 V/1.8 V
2.5 V
0.9 V/
1.1 V
1.1 V
2.5 V
3.3 V
3.3 V
3.3 V
3.3 V
3.3 V
5.0 V
1.5 V/1.8 V
1.5 V/1.8 V
1.5 V
VREF
0.9 V/0.75 V
0.9 V/0.75 V
0.75 V
U48
U12
U16
U27
U6
U47
U46
U45
U31/U32
U33
U30
U9
U13
U42
U37
U50
U14
U39
U26
BST
V IN
Linear
(LT3026)
Linear
(LT3026)
Linear
(LT3026)
Linear
(LT3026)
Linear
(LT3026)
Linear
(LT3026)
Linear
(LT3026)
V
IN
V IN
V
IN
V
IN
V
IN
V IN
V IN
BST
BST
BST
BST
BST
BST
Wide Input
Switching
Regulator
Module
(LTM4601)
V IN
Wide Input
Switching
Regulator
Module
(LTM4605)
Linear
(LT1761)
Linear
(LT1761)
Linear
(LT1764A)
Wide Input
Switching
Regulator
Module
(LTM4601)
5.0V_MONITOR2
Power Net
LTC2418
Wide Input
Switching
Regulator
Module
(LTM4601)
Wide Input
Switching
Regulator
Module
(LTM4601) 5.0 V
U41
VREF
VREF
Linear
(TPS5100)
Linear
(TPS5100)