Linear Technology DC1785B Manual
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Linear Technology DC1785B Manual

I2c temperature, voltage and current monitor
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Description
Demonstration circuit 1785B features the
performance temperature, voltage and current monitor
2
that uses an I
C interface for communication. It offers
sub-millivolt voltage resolution, 1% current measurement
and 1°C temperature accuracy.
DC1785B is a member of Linear Technology's QuikEval™
family of demonstration boards. It is designed to allow easy
evaluation of the LTC2991 and may be connected directly
to the target application's analog signals while using the
DC590 USB Serial Controller board and supplied software
INPUTS
LTC
2991, a high
to measure performance. The exposed ground planes allow
®
proper grounding to prototype circuitry. After evaluating
with Linear Technology's software, the digital signals can
be connected to the end application's processor/controller
for development of the serial interface.
Design files for this circuit board are available at
http://www.linear.com/demo/DC1785B
L, LT, LTC, LTM, µModule, Linear Technology and the Linear logo are registered trademarks
and QuikEval is a trademark of Linear Technology Corporation. All other trademarks are the
property of their respective owners.
Figure 1. Proper Measurement Equipment Set-Up
DEMO MANUAL DC1785B
2
I
C Temperature, Voltage
and Current Monitor
LTC2991
RIBBON CABLE TO DC590
CONTROLLER
dc1785bfa
1

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Summary of Contents for Linear Technology DC1785B

  • Page 1 LTC2991 and may be connected directly L, LT, LTC, LTM, µModule, Linear Technology and the Linear logo are registered trademarks to the target application’s analog signals while using the and QuikEval is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners.

  • Page 2: Quick Start Procedure

    SoFtwarE SEt-UP The DC1785B software is designed to give the user ac- Graph Settings cess to all LTC2991 functionality and features. There are By default, the QuikEval software will graph V1.

  • Page 3: Hardware Setup

    PWM: The PWM window allows the user to configure the Power – (Default DC590) EXTV allows the user to PWM functionality of the LTC2991. The DC1785B includes provide the V voltage (2.9V to 5V) to the LTC2991 at a red LED next to the PWM turret which reflects the duty...
  • Page 4 SDA, SCL – I C signals brought out to turrets. If DC1785B is connection between grounds. to be run without a DC590 connected or with an alternative GND –...

  • Page 5: Parts List

    DEMO MANUAL DC1785B parts list ItEM rEFErENCE Part DESCrIPtIoN MaNUFaCtUrEr/Part NUMBEr required Circuit Components C1, C2, C3, C4 (OPT) Capacitor, 0603 C5, C6 Capacitor, 0.1µF , 25V, X7R, 10%, 0603 TDK, C1608X7R1E104K (Bal to #1787A) LED, Red, J-Type, SMD, Tape/Reel, 1208...

  • Page 6: 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 7: Revision History

    DEMO MANUAL DC1785B revision history DatE DESCrIPtIoN PaGE NUMBEr 10/14 Board revision B, corrected jumper settings (JP5, JP6, JP7) dc1785bfa...
  • 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.
  • Page 9 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Analog Devices Inc. DC1785B...

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Ltc2991

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