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TB-KU-xxx-ACDC8K Hardware User Manual
17
Rev. 1.03
7.1.1. Power Sequencing
The UCD9090 chip features power sequencing and monitoring of the different power supplies available
on this board.
The sequencer’s outputs are connected to the power supplies’ enable pin which activates
each device.
UCD9090RGZ
0V95_EN
1V8_VCCAUX_EN
1V0_MGTAVCC_EN
1V2_MGTAVTT_EN
1V8_MGTVCCAUX_EN
VCC_HR_EN
1V8_FMC_EN
3V3_EN
2V5_DDR4_EN
1V2_DDR4_EN
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
GPIO8
GPIO9
GPIO10
MON1
MON2
MON3
MON4
MON5
MON6
MON7
MON8
MON9
MON10
12V0
0V95_SENS
1V8_VCCAUX_SENS
1V0_MGTAVCC_SENS
1V2_MGTAVTT_SENS
VCC_HR_SENS
1V8_FMC_SENS
3V3_SENS
2V5_DDR4
1V2_DDR4_SENS
GPIO11
AND
All power good
FPGA_PROGRAM_B
Push Switch
Reconfiguration
PMBUS
CTRL
3V3_UCD9090
GPIO12
FMC_[6..0]_PGOOD
Figure 7-2 Power Sequencer
7.1.2. Power Input connectors
TB-KU-xxx-ACDC8K has two power input connectors on the board, a 4-pin header
or
red and black
binding posts.
Figure 7-3 Power Input Circuit