User's Manual l TQMa8XxS UM 0101 l © 2022, TQ-Systems GmbH
Page 30
3.8
Power
3.8.1
Power supply rails
The TQMa8XxS only requires a single power supply of 3.0 V to 5.25 V (wide range input).
All supply voltages required by the CPU
are generated by the PMIC on the module.
The following block diagram shows the power rails of the TQMa8XxS:
PF8100
SMARC-Pins
i.MX 8X
SW1/2
VDD_GPU
LDO1
VIN
VDD_IN
VDD_RTC
LICELL
3,0 V
VDD_DDR_VDDQ
VDD_XXX_1P8
VDD_USB_3P3
VDD_ANA[1:0]_1P8
VDD_A35
1,1 V
1,1 V
1,8 V
1,8 V
3,3 V
1,0 V
3,0 V
SW3
1,0 V
SW4
SW5
SW7
LDO3
VDD_MAIN
VDD_MIPI_1P0
SNVS
VDD_SNVS_4P2
3,0 V
VDD_SNVS_LDO_1P8_CAP
VDD_USDHC1_1P8_3P3
VDD_USDCH1_VSELECT_...
1,8 V / 3,3 V
LDO2
LDOxIN
SWxIN
LDO4
3,3 V
SW6
1,1 V
LPDDR4
EEPROM
Temp.-Sensor
QSPI-NOR
Trust Secure Element
PCIe Taktgenerator
USB-Hub
RTC
e-MMC
Figure 28: Block diagram PMIC power rails
