Monitoring Voltage and Current
Voltage and current monitoring and control for the Maxim power system is available through
either the ZCU1285 System Controller or via the Maxim PowerTool software GUI.
The ZCU1285 System Controller is the simplest and most convenient way to monitor the voltage
and current values for the power rails listed in
. For details on
how to use this built-in feature, see
.
The ZCU1285 board includes these PMBus connectors:
• J21 (callout 32,
Figure 2: Board Component Locations
), for use with the Maxim USB-to-
PMBus interface dongle (Maxim part number MAXPOWERTOOL002) and the
.
• J4 and J145 (callout 11,
Figure 2: Board Component Locations
) are used to connect to the
serial transceiver power module’s PMBus. The pinouts for J4 and J145 are shown in the
following figure
• J25 (callout 39,
Figure 2: Board Component Locations
) is used to connect to the analog power
module PMBus. The pinout for J25 is shown in the following figure.
Figure 4: PMBus Connector Pinouts
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CLK
CTRL
DATA
NC
ALERT
NC
NC
NC
NC
GND
MAXPOWERTOOL002
1
2
3
4
5
CLK
DATA
ALERT
CTRL
GND
J4, J145
1
2
3
4
CLK
DATA
ALERT
GND
J25
X22893-051519
The onboard Maxim power controllers by default are isolated from the serial transceiver power
module’s PMBus. However, the two interfaces can be linked by removing the shunt on J8 or J154
(serial transceiver PMBus isolation). This configuration is required when using Maxim PowerTool
to monitor and control both the RFSoC power rails and the serial transceiver power rails using
the Maxim InTune Digital PowerTool GUI.
Chapter 1: ZCU1285 Board Features and Operation
UG1348 (v1.0) July 16, 2019
ZCU1285 Board User Guide
16
