VDD_SOC, VDD_ARM
VDD_HIGH_IN
POR_B
NVCC_DRAM
DRAM_VREF
DRAM Memory Module (DDR)
VDD, VDDQ
VREF
TPS6521815
PMIC
Load Switches 1-3
5 V
1.35 V
1.28 V / 1.33 V
DCDC1
DCDC2
DCDC3
LDO1
IN_BIAS
LS1
IN_DCDCx
IN_LDO1
4
1.8 V
DCDC4
Regulators
IN_LS1
1.8 A
1.8 A
1.8 A
1.6 A
3.3 V
PGOOD
GPO1,3
Digital I/O
SCL
SDA
AC_DET
PWR_EN
nINT
I2Cx_SCL
I2Cx_SDA
GPIO
1
2
3
DC34_SEL
PWR_ON_REQ
VDDA_ADC_3P3, NVCC_3V3
NVCC_1V8
400 mA
2.8 V
to LCD
LS2
IN_LS2
LS3
IN_LS3
CC
DCDC6
IN_BU
VDD_SNVS_IN
0
3
USB_OTG_VBUS
i.MX 6ULL, 6UltraLite
Processor
DCDC3
DCDC3
R
T
T
R
T
T
1
TIDUEW7 – May 2020
Copyright © 2020, Texas Instruments Incorporated
Integrated Power Supply Reference Design for NXP i.MX 6ULL
Design Guide: TIDA-050043
Integrated Power Supply Reference Design for
NXP i.MX 6ULL
Description
This reference design is a fully functional development
board powering an NXP™ i.MX 6ULL application
processor from a TPS6521815 PMIC. The hardware
design consists of DDR3L SDRAM (512 MB), 32-MB
Serial NOR Flash, 8-GB eMMC 5.0 iNAND, SD Card
interface v3.0, dual-channel 100Base-T Ethernet, 5-
channel USB hub with Type-A ports, micro-AB USB
OTG, mountable LCD screen, and expansion
connector for additional inputs and outputs. This
design is intended to be used as a reference for data
concentrator projects in grid communications or for
any project using the i.MX 6ULL, i.MX 6ULZ, or i.MX
6UltraLite processor that requires evaluation of
alternative power solutions.
Resources
Design Folder
Product Folder
Product Folder
Product Folder
Product Folder
Product Folder
Ask our TI E2E™ support experts
Features
•
Full system-on-board for rapid development of NXP
i.MX 6ULL, i.MX6 ULZ, and i.MX 6UltraLite
systems
•
Low-power modes and DVFS supported
•
Ethernet, USB wired connectivity
•
LCD display included for real-time current
monitoring
•
Selectable boot options (SD, eMMC, QSPI)
Applications
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