1
dc1508bf
DEMO MANUAL DC1508B
Description
LTC2974/LTC2975/LTC2977/
LTC2978/LTC2978A
Programming Board for PMBus
Power System Managers
The DC1508B programming board contains the circuitry
needed to program and verify the EEPROM of the
,
,
,
. This is its
sole purpose. The DC1508B is shipped with a clamshell
style programming socket installed. The EEPROM contains
the factory default configuration. The LTpowerPlay™ *.proj
file that corresponds to the factory default 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
DC1508B-A or DC1508B-B
Demo SyStem RequiReD SoftwaRe
n
LTpowerPlay
L
, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
LTpowerPlay is a trademark of Linear Technology Corporation. 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
Fast OV/UV Supervisors per Channel
n
Supports Multichannel Fault Management
n
Automatic Fault Logging to Internal EEPROM
n
Operates Autonomously without Additional SW
n
OV/UV V
OUT
and One V
IN
Supervisor
n
Telemetry Reads Back V
IN
, V
OUT
, and Temperature
n
Time-Based Output Sequencer
n
I
2
C/SMBus Serial Interface
n
All Devices Available in 64-lead QFN Package
Design files for this circuit board are available at
http://www.linear.com/demo/DC1508B
figure 1. LtC297x Programming Setup using DC1508B