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Linear Technology DC2026 Demo Manual

Linduino one isolated arduino-compatible demonstration board
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DESCRIPTION
Linear Technology's DC2026 (called the Linduino
compatible with the Arduino Uno microcontroller board.
Arduino hardware consists of an Atmel microcontroller
with a bootloader allowing quick in-circuit firmware up-
dates. The software is a simple programming environment
based on the AVRGCC compiler. This platform is popular
because it is easy to use, both the hardware and software
are open source, and it can be programmed in C. We find
it an ideal way to demonstrate and distribute libraries for
integrated circuits that have digital interfaces such as
Inter-Integrated Circuit (I
(SPI). While the Linduino One is Arduino-compatible, it
is not produced by the official Arduino team, and they do
not receive any monetary support from this board. Please,
consider supporting them by purchasing other items from:
http://store.arduino.cc
L, LT, LTC, LTM, Linear Technology, Linduino and the Linear logo are registered trademarks
and QuikEval are trademarks of Linear Technology Corporation. All other trademarks are the
property of their respective owners.
USB TO
COMPUTER
7V TO 20V
AUXILIARY
POWER
+
–
Arrow.com.
Downloaded from
One) is
®
2
C) and Serial Peripheral Interface
Figure 1. Linduino One Basic Connections
DEMO MANUAL DC2026C
Linduino One Isolated
Arduino-Compatible
Demonstration Board
The Linduino One adds several features to the standard
Arduino Uno board:
• A 14-pin QuikEval™ connector provides a direct connec-
tion to a growing list of hundreds of Linear Technology
demo boards, including ADCs, DACs, Power System
Management, RF Synthesizers, System Monitor and
Control, and many others.
• Selectable 5V, 3.3V, 2.5V, 1.8V logic levels and analog
supply on QuikEval Connector
• An
LTM
2884
provides galvanic isolation of USB data
®
and power for both safety and noise rejection.
• Auxiliary 7V to 20V power input on isolated side, with
conversion to 5V provided by an
power operation up to 750mA.
Design files for this circuit board are available at
http://www.linear.com/demo/DC2026C
ARDUINO SHIELD HEADERS
ARDUINO SHIELD HEADERS
LT
3973
allowing high
®
J1 I/O VOLTAGE
SELECTION
IN-CIRCUIT
PROGRAMMING
HEADER
QUIK-EVAL
COMPATIBLE
DEMO BOARD
14 CONDUCTOR
RIBBON CABLE
dc2026cfe
1

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Summary of Contents for Linear Technology DC2026

  • Page 1 750mA. http://store.arduino.cc Design files for this circuit board are available at L, LT, LTC, LTM, Linear Technology, Linduino and the Linear logo are registered trademarks and QuikEval are trademarks of Linear Technology Corporation. All other trademarks are the http://www.linear.com/demo/DC2026C property of their respective owners.
  • Page 2 DEMO MANUAL DC2026C QUICK START GUIDE The Linduino One comes preloaded with a DC590 emula- Manual Software Installation tor program (called a “sketch”) that allows attached demo 1) Download LTSketchbook.zip from www.linear.com/ boards to run with the standard QuikEval GUI software. docs/43958.
  • Page 3 DEMO MANUAL DC2026C QUICK START GUIDE Arduino IDE Setup 1) From within the Arduino IDE, click on File → Preferences Under Sketchbook Location: select Browse, and locate the path to the extracted LTSketchbook.zip file. The correct location will show “LTSketchbook” in the Look In menu, and at least four subdirectories will be shown: Documenta- tion, Libraries, Part Number and Utilities (more may be added in the future).
  • Page 4 DEMO MANUAL DC2026C QUICK START GUIDE 2) Under Tools menu, select Board → Arduino Uno dc2026cfe Arrow.com. Arrow.com. Arrow.com. Arrow.com. Downloaded from Downloaded from Downloaded from Downloaded from...
  • Page 5 DEMO MANUAL DC2026C QUICK START GUIDE 3) Under the Tools menu, select Serial Port. There may be more than one option; the Linduino One is usually the highest COM port number (COM12 is shown below). dc2026cfe Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com.
  • Page 6 DEMO MANUAL DC2026C QUICK START GUIDE 4) Click on the Serial Monitor, which looks like a magnifying glass: This will bring up the monitor window: Select Newline terminator and set the baud rate to 115200. You should see a “hello” message – this indicates that serial communication is set up properly, and that the DC590 emulator firmware is properly installed.
  • Page 7 Connect the DC934 to the Linduino One with the supplied 14-pin ribbon cable. Run QuikEval. The control panel for Linear Technology demo boards with the 14-pin QuikEval the LTC2607 will appear, and clicking COLLECT will start connector are normally used in conjunction with a DC590B communication with the board.
  • Page 8 DEMO MANUAL DC2026C QUICK START GUIDE Running with the Linduino Demonstration Program After the DC934 has been run with the user-friendly QuikEval GUI, a demonstration program can be loaded into the Linduino One that demonstrates the library functions for the LTC2607 and LTC2422. 1) Open the Arduino IDE.
  • Page 9 DEMO MANUAL DC2026C QUICK START GUIDE A new window will appear with the sketch. 2) Upload the sketch by clicking the UPLOAD button: When this process is completed, a message at the bottom should display a similar message as shown. dc2026cfe Arrow.com.
  • Page 10 DEMO MANUAL DC2026C QUICK START GUIDE 3) Open the Serial Monitor (magnifying glass icon) once more. The monitor will now display the program interface. To use the program, enter commands into the text box, then click the Send button. dc2026cfe Arrow.com.
  • Page 11 50mA, SPI and I C interfaces, and an auxiliary I C interface VCCIO to the DC2026 from the attached demo board. for identification of the attached demonstration board. Refer to the documentation for the attached demo board J2: AC ADAPTOR IN – 2.1mm × 5.5mm barrel connector.

  • Page 12: Block Diagram

    DEMO MANUAL DC2026C BLOCK DIAGRAM dc2026cfe Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from...

  • Page 13: Parts List

    DEMO MANUAL DC2026C PARTS LIST ITEM REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER C1, C7 CAP., X5R, 4.7μF, 16V, 10%, 0603 TDK, C1608X5R1C475K080AC C2, C14 CAP., X7R, 0.01μF, 16V, 10%, 0603 AVX, 0603YC103KAT2A C3, C9, C12, C15 CAP., X5R, 10μF, 16V, 10%, 0805 MURATA, GRM21BR61C106KE15L C4, C13, C17, C18, C23 CAP., X7R, 1μF, 16V, 10%, 0603...
  • Page 14 DEMO MANUAL DC2026C PARTS LIST ITEM REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER RES., CHIP, 1MEG, 1/16W, 1%, 0402 VISHAY, CRCW04021M00FKED RES., CHIP, 1MEG, 1/10W, 1%, 0603 VISHAY, CRCW06031M00FKEA R18, R40, R41, R45, R47 RES., CHIP, 10k, 1/10W, 1%, 0603 VISHAY, CRCW060310K0FKEA RES., CHIP, 86.6k, 1/10W, 1%, 0603 NIC, NRC06F8662TRF R25, R48, R52, R53, R54...

  • Page 15: Schematic Diagram

    DEMO MANUAL DC2026C SCHEMATIC DIAGRAM dc2026cfe Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from...
  • Page 16 DEMO MANUAL DC2026C SCHEMATIC DIAGRAM dc2026cfe Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from Downloaded from...

  • Page 17: Revision History

    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 18 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.