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• Input: 100 - 240 VAC, 50 - 60 Hz
• Output: 12 V, 0 - 5 A DC power supply adapter (160 W) - Standard
• DC Jack (2 pin, 2.5 mm x 5.5 mm x 11 mm)
2.2.2 Secondary power supplies
The following table lists different power supply components used to generate various LS1028ARDB power supplies.
Table 4. Secondary power supplies
Part
identifi
er
Manufacturing
part number
Part
manufacturer
Power
supply
Specifications
Description
U1
LT8609SEV
Linear
Technology
5V0
5 V at 2 A
Supplies power to the board components:
• USB 1 and USB 2 connectors
• CAN transceivers
• Mikro-click modules
U2
LTC7151S
Linear
Technology
VDD
1.0 V / 0.9 V at 20
A
Supplies power to the LS1028A core
supplies.
Filtered VDD also
powers USB
(USB_SDVDD,
USB_SVDD),
Display Port
(DP_SVDD), and
SerDes (SVDD)
power supplies of
LS1028A.
NOTE
U3
LTC7151S
Linear
Technology
3V3
3.3 V at 15 A
Supplies power to board components:
CPLD IO and VDD, Display Port, SGMII
PHY, M.2 connectors, SD card, eMMC
memory, I2C EEPROMs, current monitor
(INA220), Temperature monitor
(SA56004ED), CAN transceivers,
mikroBUS connectors, misc components
(buffers and translators).
Filtered 3V3 also
powers USB
(USB_HVDD of
LS1028A).
NOTE
U4
MC34716EP
NXP
Semiconductors
1V2
1.2 V at 4 A
DDR4 DRAM memories
LS1028A DRAM controller core and I/O
VTT_0V6
0.6 V at 3 A
Address and control bus termination supply
Table continues on the next page...
Power supplies
QorIQ LS1028A Reference Design Board Reference Manual, Rev. b, 11/2018
NXP Semiconductors
COMPANY CONFIDENTIAL
17
Содержание QorIQ LS1028A
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