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Linear Technology DC1508B Demo Manual

Ltc2974/ltc2975/ltc2977/ ltc2978/ltc2978a programming board for pmbus power system managers
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Description
The DC1508B programming board contains the circuitry
needed to program and verify the EEPROM of the LTC2974,
LTC2975, LTC2977, LTC2978, and LTC2978A. 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
SMBus/PMBus Controller.
Demo SyStem RequiReD HaRDwaRe
Windows PC
n
2
USB-to-I
C/SMBus/PMBus Controller (DC1613)
n
DC1508B-A or DC1508B-B
n
Demo SyStem RequiReD SoftwaRe
LTpowerPlay
n
LTC2974/LTC2975/LTC2977/
Programming Board for PMBus
2
C/
figure 1. LtC297x Programming Setup using DC1508B
DEMO MANUAL DC1508B
LTC2978/LTC2978A
Power System Managers
Power System manager features
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
and One V
n
OUT
Telemetry Reads Back V
n
Time-Based Output Sequencer
n
2
I
C/SMBus Serial Interface
n
All Devices Available in 64-lead QFN Package
n
Design files for this circuit board are available at
http://www.linear.com/demo/DC1508B
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.
Supervisor
IN
, V
, and Temperature
IN
OUT
dc1508bf
1

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Summary of Contents for Linear Technology DC1508B

  • Page 1 Demo SyStem RequiReD SoftwaRe http://www.linear.com/demo/DC1508B 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. figure 1. LtC297x Programming Setup using DC1508B...

  • Page 2: Board Photo

    DEMO MANUAL DC1508B BoarD photo figure 2. DC1508B top Side Details (DC1508B-a Shown) orDer information There are two versions of the DC1508B. Each version table 1. of the programming board comes with only one socket. order Number Supported Devices See Table 1.
  • Page 3 DEMO MANUAL DC1508B LtpowerpLay GUi software The software also provides an automatic update feature To access technical support documents for LTC Power to keep the software current with the latest set of device System Management products visit Help, View Online drivers and documentation.

  • Page 4: Quick Start Procedure

    2. Connect the DC1613 controller to your PC. Plug the figure 5. DC1613 Ribbon Cable attached and Lid Closed ribbon cable into connector J1 of the DC1508B pro- gramming board. 5. Set the power switch S1 to the ON position. The VDD33 3.
  • Page 5 DEMO MANUAL DC1508B QUick start proceDUre 7. LTpowerPlay is ready to program/verify the device. 8. Prior to removing the device and programming another, power must be removed from the device. Set the power a. Click the Program and Verify button, and wait for the switch S1 to the OFF position.

  • Page 6: Parts List

    DEMO MANUAL DC1508B parts List item RefeReNCe PaRt DeSCRiPtioN maNufaCtuReR/PaRt NumBeR Required Circuit Components U1 (DC1508B-A) or IC SOCKET, SPRING LOADED, 64-QFN PLASTRONICS: 64QN50S19090-A U2 (DC1508B-B) C1, C2, C7 CAP CER 1µF 16V 10% X7R 0603 MURATA: GRM188R71C105KA12D C3, C4, C5, C6, C8, C9, C10, C11 CAP CER 0.1µF 16V 10% X7R 0603...

  • Page 7: Schematic Diagram

    Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
  • Page 8 Linear Technology Corporation (LTC) provides the enclosed product(s) under the following aS iS conditions: This demonstration board (DEMO BOARD) kit being sold or provided by Linear Technology is intended for use for eNGiNeeRiNG DeVeLoPmeNt oR eVaLuatioN PuRPoSeS oNLy and is not provided by LTC for commercial use. As such, the DEMO BOARD herein may not be complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including but not limited to product safety measures typically found in finished commercial goods.

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