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TPS65917-Q1
(J6eco PMIC)
TPS22965
(power switch)
S
oC
C
ORE
S
UP
P
LI
E
S
VDD_RTC
VDD_IVAHD
VDD_GPU
VDD_CORE
VDD_DSP
VDD_MPU
TPS43351-Q1
3.1A @1.15V
0.01mA @1.03V
1.8A @1.03V
2.3A @1.15V
LDO4(USB)
(200mA max)
x
E
V
M
S
Y
S
T
E
M
O
T
H
E
R
S
UP
P
LI
E
S
x
5V0
x
3V3
SMPS5
(2A max)
SMPS4
(1.5A max)
1
.8
V
S
UP
P
LI
E
S
VDD_1V8
VDDA_1V8 (PLLs)
12V Power
Source
0.4A @ 1.8V
0.02A @ 1.8V
3.3V
5.0V
0.51A @ 1.35V
GPIO4
x
D
D
R
EMIF1
VBUCKB
VBUCKA
AVS
AVS
AVS
TPS51200
VTT
Dual Voltage Rails
(Set to 3.3V)
DDR_REF
VDD_DDR
VDDA_USB3V3
2.30A @ 3.3V
3A @ 5V
0.30A @ 1.8V
LDO1
(300mA max)
VDDSHV8 (SDIO)
TBD @ 1.8, 3.3V
VDDA_RTC
VDDSHV5 (RTC IO)
LDO2
(300mA max)
TBD @ .68V
TBD @ 1.8V
0.5A @ 0.68V
VDDA_1V8 (PHYs)
TBD @ 1.8V
LDO3
(200mA max)
x
vddshv5
SMPS3
(3A max)
SMPS1
(3.5A max)
SMPS2
(3.5A max)
x
1V8
LDO5(LN)
(100mA max)
EMIF2
LDOVRTC/ANA
required by PMIC
LDOVANA
(10mA max)
LDOVRTC
(25mA max)
1.8V
1.35V
1.8V
1.8V
3.3V
1.8/3.3V
.010
.010
INA226
.010
.010
.010
.010
.010
.010
.010
.010
.010
.010
x
vddshv1
x
T
P
S
4
3
3
5
1
v
ia
T
P
S
2
2
9
6
5
s
w
it
ch
x
vddshv10
x
vddshv11
x
vddshv2
x
vddshv3
x
vddshv4
x
vddshv6
x
vddshv7
x
vddshv9
x
vdds_ddr1
x
vdds_ddr2
x
SMPS5
x
vddshv8
x
LDO1
x
ddr1_vref0
x
ddr2_vref0
x
TPS51200
x
vdda33v_usb1
x
LDO4(USB)
x
vdda33v_usb2
.010
.010
x
vdda_rtc
x
SMPS4
x
vdda_pcie0
x
vdda_usb1
x
vdda_usb2
x
vdda_hdmi
x
vdda_pcie
x
vdda_csi
x
vdda_sata
x
vdda_usb3
x
LD
O
3
x
vdda_gmac_core
x
vdda_per
x
vdda_ddr
x
vdda_debug
x
vdda_pllspare
x
vdda_gpu
x
vdda_dsp_iva
x
vdda_video
x
vdda_mpu_abe
x
vdda_osc
x
LD
O
5
(
LN
)
x
vdds_mlbp
x
vdds18v
x
vdds18v_ddr1
x
vdds18v_ddr2
x
S
MP
S
4
.005
.010
.010
.010
.010
Pwr Bd I2C1
Pwr Bd I2C2
.010
.010
x
vdd_mpu
x
vdd_dsp
x
vdd_gpu
x
vdd_iva
x
SMPS1
x
vdd
x
vdd_rtc
x
SMPS3
x
SMPS3
x
SMPS3
x
SMPS2
x
SMPS2
.010
1.8V
TBD @ 1.8V
Hardware
10
SPRUIB9 – December 2016
Copyright © 2016, Texas Instruments Incorporated
DRA72x EVM CPU Board User's Guide
3.2
Power Architecture
shows the complete power distribution system of the EVM. The companion power management
IC (PMIC) for SoC is the TPS65917-Q1. A step-down 12-V to 3.3-V and 5-V converter is available to
provide a 3.3-V and 5-V DC input to the PMIC, as well as 3.3-V and 5-V power rails at the board level.
Refer to the PMIC data sheet for the power on/off sequence.
Figure 5. Power Distribution Block Diagram
An external power is required to power the EVM, but is not included as part of the EVM kit. The external
power supply requirements are:
•
Power Jack: 2.5-mm ID, 5.5-mm OD
•
Nom voltage: 12 VDC
•
Max Current: 5000 mA
•
Efficiency Level V