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Power Supply
16
SPRUIC7 – December 2016
Copyright © 2016, Texas Instruments Incorporated
TMDSCSK388 Module
2.3
Power Supply
The DM388 processor is powered by the CSK carrier through the board-to-board connectors.
The CSK carrier card is powered by a +5-V, 3-A, DC power adapter plugged in to the DC power jack (J1).
On the CSK carrier card, +5-V is converted into the required supply voltages by using regulators.
lists the power ICs in the TMDSCSK388 module.
Table 2-1. DM388 Power ICs
Power IC
Purpose
TPS6591133
(U11)
All voltages for the processor
TPS51216RUK
R
(U14)
1V5 and 0.75 generation for DDR3
TPS71711DCK
R
(U9)
1V1 generation for HD-DAC
The power management IC TPS6591133 (U1) generates and sequences the following powers to the
DM388 processor:
•
Core voltage
–
CORE_CVDD
–
CVDD_HDVICP
–
CVDD_ARM
•
Internal LDO voltages
–
TPS_VDAC_1V8
–
TPS_HDMI_CSI_1V8
–
TPS_GPIO_3V3
–
PLL_1V8
–
TPS_LDO5_3V3
–
TPS_LDO6_3V3
–
TPS_USB_3V3
–
TPS_USB_1V8
•
I/O voltages
–
TPS_VDDA_1V8
•
VRTC voltages
–
VRTC
The I2C0 interface if the DM388 module controls the TPS6591133 device.