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Xilinx Spartan-7 Reference Design Sept 18, 2017 · The Future of Analog IC Technology® 300mA LDO2...
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The Future of Analog IC Technology ® MPS Confidential –– Do Not Distribute Xilinx Spartan-7 Reference Design Sept 18, 2017
Transcript of Xilinx Spartan-7 Reference Design Sept 18, 2017 · The Future of Analog IC Technology® 300mA LDO2...
The Future of Analog IC Technology®MPS Confidential –– Do Not Distribute
Xilinx Spartan-7 Reference Design
Sept 18, 2017
The Future of Analog IC Technology®
300mA LDO2
300mA LDO4
DCDC1
5.5V/4.5A
I2C VID, 0.6V-2.187V
2.7V-5.5V
Vin1
UVLO1.5MHz OSC
Phase shift
GND1
Vout1SW1
FB1
SCL
Driver &
Control
I2C Register & OTP
Power Logic Control
DCDC2
5.5V/2.5A
I2C VID, 0.8V-3.975V
Vout2SW2
FB2
DCDC3
5.5V/4A
I2C VID, 0.6V-2.187V
Vout3SW3
FB3
DCDC4
5.5V/2A
I2C VID, 0.8V-3.975V
Vout4SW4
FB4
OUT4
300mA LDO5
Driver &
Control OUT5
SDA
Control Logic
VIN1
VIN3
GND3
nPBIN
RSTO
AGND
10mA LDORTCDriver &
Control
Driver &
Control
300mA LDO3Driver &
Control
OUTRTC OUT2 OUT3
VIN2
AVIN
2.7V-5.5V
AVIN
1uFAGND
VIN5
GND2
VIN2
GND4
VIN4
1.5/1.35V +/-5% @ 4.5A max
0.95/1V +/-5% @ 4A max
1.8/2.5/3.3V +/-5% @ 2.5A max
1.8V +/-5% @ 2A max
Vsupply = 5V
Power on sequence 1 2 3
VCC_DDR
VCC_IO
VCCINT
VCCAUX
Block Diagram–
Spartan-7
MP5416
The Future of Analog IC Technology®
Power-Up Sequence
Vin = 5V
NOTE: Sequencing can be customized to any design requirements via OTP
The Future of Analog IC Technology®
Power-Down Sequence
Vin = 5V
NOTE: Sequencing can be customized to any design requirements via OTP
The Future of Analog IC Technology®
VCCINT (1V) Efficiency
0
10
20
30
40
50
60
70
80
90
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
EF
FIC
IEN
CY
(%
)
IOUT (A)
VCC_INT Efficiency @ Vin = 5V, Vout = 1V
The Future of Analog IC Technology®
VCCAUX (1.8V) Efficiency
0
10
20
30
40
50
60
70
80
90
0 0.5 1 1.5 2 2.5
EF
FIC
IEN
CY
(%
)
IOUT (A)
VCC_AUX Efficiency @ Vin = 5V, Vout = 1.8V
The Future of Analog IC Technology®
VCCDDR (1.5V) Efficiency
0
10
20
30
40
50
60
70
80
90
100
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
EF
FIC
IEN
CY
(%
)
IOUT (A)
VCC_DDR Efficiency @ Vin = 5V, Vout = 1.5V
The Future of Analog IC Technology®
VCC_IO (3.3V) Efficiency
0
10
20
30
40
50
60
70
80
90
100
0 0.5 1 1.5 2 2.5 3
EF
FIC
IEN
CY
(%
)
IOUT (A)
VCC_IO Efficiency @ Vin = 5V, Vout = 3.3V
The Future of Analog IC Technology®
VCCINT (1V) Output Ripple
Vin = 5V, Vout = 1V, Iout = 2.5A
The Future of Analog IC Technology®
VCCAUX (1.8V) Output Ripple
Vin = 5V, Vout = 1.8V, Iout = 0.35A
The Future of Analog IC Technology®
VCCDDR (1.5V) Output Ripple
Vin = 5V, Vout = 1.5V, Iout = 2A
The Future of Analog IC Technology®
VCC_IO (3.3V) Output Ripple
Vin = 5V, Vout = 3.3V, Iout = 2.5A
