DS90UB95x-Q1EVM Board Configuration
8
SNLU223A – August 2017 – Revised May 2019
Copyright © 2017–2019, Texas Instruments Incorporated
DS90UB95x-Q1EVM Deserializer User's Guide
Figure 6. Power-over-Coax Network For Use With DS90UB933
WARNING
Verify that the Power-over-Coax voltage is properly set before
plugging into RX0 or RX1. Power supply is not fused. Over-voltage
will cause damage to boards directly connected due to incorrect
input power supplies. DS90UB913A-Q1EVM is designed for a
maximum
of
5V
PoC.
To
use
DS90UB913A-Q1EVM
with
DS90UB954-Q1EVM, open J17 or J18 to disable PoC, and either
power the DS90UB913A-Q1EVM separately or by applying 5V to the
J17 or J18 pin on DS90UB954-Q1EVM.
Table 2. Power-over-Coax Power Supply Feed Configuration
Reference
Signal
Description
J18
VPOC_RX0
This sets the voltage for Power-over-Coax on RX0
Jumper installed: +9V power supply from VPOC_LDO0_9V
Jumper Open: No PoC connected. Apply power to pin1 or leave open and power
serializer separately.
J17
VPOC_RX1
This sets the voltage for Power-over-Coax on RX1
Jumper installed: +9V power supply from VPOC_LDO1_9V
Jumper Open: No PoC connected. Apply power to pin1 or leave open and power
serializer separately.