Linear Technology DC2347A Kurzanleitung zur Einrichtung
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DEMO MANUAL DC2347A
DESCRIPTION
LTC2937
Programming Board
The DC2347A contains only those functions necessary
to safely program and verify the LTC2937 configuration
EEPROM. It serves no other purpose. The DC2347A holds
the LTC2937 in a clamshell socket for convenient access
andreplacementofparts.TheLTpowerPlay™GUIsoftware,
running on a PC, provides a simple interface to program
and verify the EEPROM with a user supplied configuration.
What Can You Do with The DC2347A
• Program the contents of the EEPROM with your project
or HEX file.
• Verify the contents of the EEPROM against your project
or HEX file.
• Verify the contents of the EEPROM against factory
defaults.
DC2347A
• Program and Verify EEPROM for the LTC2937
• Easily Change Parts with the Clamshell Socket
• Simple Interface to the PC Using LTpowerPlay
• Powered by the USB Connection
LTC2937
• Time and Event-Based Power Supply Sequencing
• 12 Programmable Undervoltage and Overvoltage Com-
parators with 0.75% Accuracy
• Stalled Power Supply Detection
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.
FEATURES
Demo System Hardware Required
• Microsoft Windows PC
• DC1613 USB to I2C/SMBus/PMBus Controller
• DC2347A Programming Board
Demo System Software Required
• LTpowerPlay (GUI)
The LTpowerPlay software can be downloaded from:
http://www.linear.com/ltpowerplay
To access technical support documents for LT C Power
System Management Products visit "Help -> View Online
Help" in the LTpowerPlay menu.
Design files for this circuit board are available at
http://www.linear.com/demo/DC2347A
• Single Wire Synchronization Allows Controller Expan-
sion to 50 Devices (300 Power Supplies)
• Configuration and Fault Logging in EEPROM
• EEPROM Rated to 85°C, 10k writes, 20 year Retention
• Supported by LTpowerPlay GUI
• Fault and System Status Registers
• Reset Output with Programmable Delay
• I2C/SMBus Interface
• Wide Input Supply Voltage Range: 2.9V to 16.5V
• 28-Pin QFN (5mm × 6mm) Package
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DEMO MANUAL DC2347A
QUICK START PROCEDURE
The DC2347A system makes it easy to program and verify
the contents of the LTC2937.
1. Download and install the LTpowerPlay GUI:
http://www.linear.com/ltpowerplay
2. Remove the DC2347A board from the ESD protective
bag and place it on a level surface. Connect the DC1613
I2C/SMBus/PMBus Controller to the DC2347A board
using the 12-pin ribbon cable.
Set the jumpers ASEL1, ASEL2, and ASEL3 for the
desired device I2C address. Note that each project file
contains a fixed device address, which must match the
ASEL jumper settings on the board. See the LTC2937
data sheet for a discussion of device addressing.
Set the WP jumper to OFF.
Set the POWER switch to OFF.
3. Connect the USB-to-I2C/SMBus/PMBus Controller to
a USB port on your PC.
4. Insert an LTC2937 part into the clamshell socket and
verify that it is upright and not upside-down in the
socket. Close the lid; it will snap shut. Only remove
and replace ICs in the socket when the POWER switch
is OFF.
5. Applypower to the device by sliding thePOWER switch
to ON. When the part receives power it powers-up its
3.3V VDD pin, and LED1 will illuminate green. If no
part is installed in the socket, or if the part is up-side
down, the LED will not illuminate, and programming
is not possible.
6. Launch the LTpowerPlay GUI. The GUI automatically
identifies the DC2347A and launches the appropriate
interface protocol.
7. If the Programming Utility does not launch automati-
cally, select LTpowerPlay→Utilities→Programming
Utility from the menu.
8. Click “…” and select a project file to program the de-
vice. Ensure that the ASEL jumpers match the device
address in the project file.
9. Click “Program and Verify System” to program the
device. Upon success, the status bar at the bottom will
turn from yellow to green and indicate “Successfully
Programmed and Verified System!”
10. After programming the LTC2937, set the POWER
switch to OFF and remove the part from the socket.
Repeat steps 4 to 9 with additional LTC2937 parts as
necessary.
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DEMO MANUAL DC2347A
PARTS LIST
ITEM QTY REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER
Required Circuit Components
1 3 C4, C12 CAP, CER, 100nF, X5R, 16V, 10%, 0603 MURATA, GRM188R61C104KA01D
2 1 C13 CAP, CER, 2.2µF, X5R, 16V, 10%, 0603 MURATA, GRM188R61C225KE15D
3 1 C1 CAP, CER, 1µF, X5R, 16V, 10%, 0603 MURATA, GRM188R61C105KA93D
4 1 R3 RES, 1.3k, 1/10W, 1%, 0603 VISHAY, CRCW06031K30FKEA
5 5 R1, R2, R5, R6, R7 RES, 10k, 1/16W, 1%, 0603 VISHAY, CRCW060310K0FKED
6 9 R4, R8, R9, R10, R11, R12, R13, R14, R15 RES, 0.0Ω, 1/10W, 0603 VISHAY, CRCW06030000Z0EA
7 1 LED1 LED, GREEN, 0603 PANASONIC, LNJ326W83RA
8 4 TP1, TP2, TP3, TP4 TEST POINT TURRET, 0.094" MILL-MAX, 2501-2-00-80-00-00-07-0
9 3 ASEL1, ASEL2, ASEL3 CONN, HEADER, 1x4, 0.1" SULLINS, PRPC004SAAN-RC
10 1 WP CONN, HEADER, 1x3, 0.1" SULLINS, PRPC003SAAN-RC
11 4 WP, ASEL1, ASEL2, ASEL3 SHUNT JUMPER, 0.1" 3M, 969002-0000-DA
12 1 J1 CONN, HEADER, 2x6, 2MM FCI, 98414-G06-12ULF
13 1 U4 IC SERIAL EEPROM, SOT-23-5 MICROCHIP, 24AA02T-I/OT
14 1 U1 SOCKET, CLAMSHELL, QFN PLASTRONICS, 28QN50S16050-A
15 1 S1 SW SLIDE DPDT 6VDC 0.3A PCMNT C&K COMPONENTS, JS202011CQN
16 4 STANDOFF, NYLON, SNAP-ON, 0.25" TALL KEYSTONE, 8831
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DEMO MANUAL DC2347A
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.
SCHEMATIC DIAGRAM
1/23/2015 2:12:30 PM f=0.60 C:\Users\nenger\Documents\LTC2937\DC2347A-PROGRAMMING-BOARD\EAGLE\DC2347A-Programming.sch (Sheet: 1/1)
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2
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8
9
10
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12
1
2
3 4
5
2
3
1
5
6
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
MARGB
1
VPWR
2
VDD
3
GND
4
ON
5
ASEL1
6
ASEL2
7
ASEL3
8
EN1
9
EN2
10
EN3
11
EN4
12
EN5
13
EN6
14
ALERTB 15
FAULTB 16
RSTB 17
SDA 18
SCL 19
SPCLK 20
SHARE_CLK 21
WP 22
V6 23
V5 24
V4 25
V3 26
V2 27
V1 28
PAD
PAD
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DEMO MANUAL DC2347A
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ●FAX: (408) 434-0507 ●www.linear.com
LINEAR TECHNOLOGY CORPORATION 2015
LT 0615 • PRINTED IN USA
DEMONSTRATION BOARD IMPORTANT NOTICE
Linear Technology Corporation (LT C ) 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 LT C 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. As a prototype, this product does not fall within the scope of the European Union
directive on electromagnetic compatibility and therefore may or may not meet the technical requirements of the directive, or other regulations.
If this evaluation kit does not meet the specifications recited in the DEMO BOARD manual the kit may be returned within 30 days from the date
of delivery for a full refund. THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY THE SELLER TO BUYER AND IS IN LIEU
OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS
FOR ANY PARTICULAR PURPOSE. EXCEPT TO THE EXTENT OF THIS INDEMNITY, NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR
ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.
The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user releases LT C from all claims
arising from the handling or use of the goods. Due to the open construction of the product, it is the user’s responsibility to take any and all
appropriate precautions with regard to electrostatic discharge. Also be aware that the products herein may not be regulatory compliant or
agency certified (FCC, UL, CE, etc.).
No License is granted under any patent right or other intellectual property whatsoever. LT C assumes no liability for applications assistance,
customer product design, software performance, or infringement of patents or any other intellectual property rights of any kind.
LT C currently services a variety of customers for products around the world, and therefore this transaction is not exclusive.
Please read the DEMO BOARD manual prior to handling the product. Persons handling this product must have electronics training and
observe good laboratory practice standards. Common sense is encouraged.
This notice contains important safety information about temperatures and voltages. For further safety concerns, please contact a LT C applica-
tion engineer.
Mailing Address:
Linear Technology
1630 McCarthy Blvd.
Milpitas, CA 95035
Copyright © 2004, Linear Technology Corporation
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