i.MX 6ULL
TPS6521815
PMIC
VIN
5-V DC
Coin
Cell
VDD_SNVS_IN
VDD_SOC, VDD_ARM
NVCC_DRAM
VDD_HIGH_IN
NVCC_1V8
VDDA_ADC_3P3, NVCC_3V3
USB_OTG_VBUS
DCDC5
25 mA
DCDC6
25 mA
DCDC1
1.8 A
DCDC2
1.8 A
DCDC3
1.8 A
DCDC4
1.6 A
LDO1
400 mA
LS1
380 mA
LS2
900 mA
LS2
920 mA
Load Switch
TPS22964C
Load Switch
TPS2054B
USB Power
Switch
4x USB
Host
2 x USB
Host & OTG
SD
Card
eMMC
USB-to-
UART
LCD Screen
DDR3L
LCD
Serial NOR Flash
USB Hub
3.0 V, 1 mA
1.275 V / 1.325 V, 500 mA
1.35 V, 50 mA
3.3 V, 200 mA
1.8 V,
100 mA
3.3 V,
150 mA
5.0 V,
50 mA
5.0 V,
1 A
1.35 V,
241 mA
3.3V,
947 mA
VREF
VDD_HIGH_IN
VDD_HIGH_IN
VDD_HIGH_IN
GPIO1
GPIO1
Load Switch
TPS22964C
5.0 V,
2 A
R
T
Ethernet
PHY
eMMC
LCD Screen
LCD Screen
SD Card
Power Mux
2.8 V, 15 mA
3.3 V, 200 mA
3.3 V
1.8 V
1.8 V, 150 mA
3.3 V, 747 mA
R
T
System Overview
16
TIDUEW7 – May 2020
Copyright © 2020, Texas Instruments Incorporated
Integrated Power Supply Reference Design for NXP i.MX 6ULL
Figure 15. TIDA-050043 Full Power Architecture