1
dc2691af
DEMO MANUAL DC2691A
DESCRIPTION
LTC2972
Programming Board for 2-Channel PMBus
Power System Manager
The DC2691A programming board contains the cir-
cuitry needed to program and verify the EEPROM of the
. It is shipped with a clamshell style program-
ming socket installed. The LTpowerPlay
®
*.proj file that
corresponds to the factory default configuration can be
found in the GUI.
To properly program and verify the contents of the
EEPROM, download and install the LTpowerPlay software
(GUI).
http://www.linear.com/ltpowerplay/
You also need a Linear Technology DC1613 USB to I
2
C/
SMBus/PMBus Controller.
Demo System Required Hardware
n
Windows PC
n
USB-to-I
2
C/SMBus/PMBus Controller (DC1613)
n
DC2691A
Demo System Required Software
n
LTpowerPlay
L
, LT, LTC, LTM, Linear Technology, the Linear logo and LTpowerPlay are registered
trademarks of Analog Devices, Inc. All other trademarks are the property of their respective
owners.
Power System Manager Features
n
Sequence, Trim, Margin, Supervise Power Supplies
n
Manage Faults, Monitor Telemetry, Create Fault Logs
n
PMBus Compliant Command Set
n
Supported by LTpowerPlay GUI
n
Margin or Trim Supplies to ±0.25% Accuracy
n
Monitor Input Current (±1%) and Accumulate Energy
n
Fast OV/UV Supervisors per Channel
n
Supports Multi-Channel Fault Management
n
Automatic Fault Logging to Internal EEPROM
n
Operates Autonomously without Additional Software
n
OV/UV V
OUT
and One V
IN
Supervisor
n
Monitor V
IN
, V
OUT
, I
IN
, I
OUT
and Temperature
n
Time-Based Output Sequencer
n
I
2
C/SMBus Serial Interface
n
Can Be Powered from 3.3V, or 4.5V to 15V
n
Connect Directly to Regulator IMON Pins
n
Available in a 44-Pin 6mm × 7mm QFN Package
Design files for this circuit board are available at
http://www.linear.com/demo/DC2691A
Figure 1. LTC2972 Programming Setup Using DC2691A
