DS2745K Maxim Integrated, DS2745K Datasheet

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DS2745K

Manufacturer Part Number
DS2745K
Description
Power Management IC Development Tools
Manufacturer
Maxim Integrated
Series
DS2745r
Datasheet
19-4844; Rev 11/09
FEATURES
 Demonstrates the capabilities of the DS2745
 Interfaces to the USB of a PC running
EVALUATION KIT CONTENTS
1 pc. Evaluation Board
1 pc. DS9123O USB Adapter
1 pc. RJ-11 Phone Cable
EQUIPMENT NEEDED
1. A PC running Windows XP or older
2. Cables with mini-grabber style clips or the
3. A Lithium-Ion battery and a power supply
INTRODUCTION
The DS2745 evaluation kit (EV kit) makes performance evaluation, software development, and
prototyping with the DS2745 Low-Cost I
PC through a DS9123O USB Adapter and RJ-11 cable connection.
The DS2745 EV kit evaluation software gives the user complete control of all functions of the DS2745.
Separate control tabs allow the user access to all RAM memory locations, all control registers, and real-
time updates of all monitored parameters. The software also incorporates a data logging feature to
monitor a cell over time.
The evaluation board circuit is designed to provide the DS2745 with accurate parameter measurements
and protect the DS2745 from ESD damage.
www.maxim-ic.com
Low-Cost I
 Temperature measurement
 Voltage measurement
 Current measurement
 Current accumulation
Windows XP or older operating system
operating system and an available USB port.
ability to solder directly to connection pads.
and/or load circuit
2
C Battery Monitor, including:
2
C Battery Monitor easy. The evaluation board interfaces to a
1 of 11
Windows XP is a registered trademark of Microsoft Corp.
Low-Cost I
INDEX
Evaluation Kit Contents
Equipment Needed
Introduction
Setup and Installation
Program Menus
Program Tabs
ORDERING INFORMATION
+Denotes lead(Pb)-free and RoHS compliant.
DS2745EVKIT+
Board Connections
Software Installation
Selecting the COM Port
Register Windows
Real Time Meters
Data Logging
User Memory
PART
2
C Battery Monitor
Evaluation Kit
DS2745EVKIT
EV Kit
TYPE

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DS2745K Summary of contents

Page 1

Rev 11/09 www.maxim-ic.com FEATURES  Demonstrates the capabilities of the DS2745 2 Low-Cost I C Battery Monitor, including:  Temperature measurement  Voltage measurement  Current measurement  Current accumulation  Interfaces to the USB running ...

Page 2

SETUP AND INSTALLATION BOARD CONNECTIONS Connections to the TSSOP demonstration board are best made either by soldering directly to the pads or by using cables with mini-grabber clips. Communication to the TSSOP board can be accomplished either through the RJ-11 ...

Page 3

... Follow the prompts to complete the installation. The DS2745 EV kit software can be uninstalled in the Add/Remove Programs tool in the Control Panel. After the installation is complete, open the DS2745K folder and run DS2745K.EXE or select DS2745K from the program menu. A splash screen containing information about the evaluation kit appears as the program is being loaded. ...

Page 4

MENUS Several pull down menu options have been provided to simplify use of the DS2745 EV kit software for the user. Their functions are individually detailed below. FILE MENU The File Menu allows the user to exit the program and ...

Page 5

PREFERENCES MENU The Preferences Menu allows the user to change COM port settings at any time. Edit Preferences opens the Select Preferences window. See Selecting the COM Port above. HELP MENU Selecting the About topic from the Help Menu will ...

Page 6

The Meters Screen displays the latest real-time measurements of cell voltage, temperature, current and accumulated current with both analog meter readouts and digital values. The sense resistor value used to calculate the current reading is shown in the current section. ...

Page 7

This new value will be added to the Current Register and Accumulated Current Register on each conversion cycle. SETTING ACCUMULATION BIAS The user can update the Accumulation Bias Register by left clicking on the Update Acc Bias button ...

Page 8

Read and Write the Slave Address bits of the Status Register. The Slave Address of the DS2745 can be changed from 90h to 9Eh, even numbers only. MEMORY TAB The Memory Tab gives the user access to all 11 bytes ...

Page 9

... The Log to File sub-tab contains information for storing all log data to an ASCII file. The default filename is c:\DS2745K_datalog.txt, but can be modified in the filename text field. The Log Data button toggles data logging off and on. Data will be stored at the same interval selected for updating the graphs in the tab-delimited format of “ ...

Page 10

DS2745 EV KIT SCHEMATIC DS2745EVKIT ...

Page 11

... REVISION HISTORY REVISION DATE 11/09 Changed the part number from DS2745K to DS2745EVKIT. DESCRIPTION DS2745EVKIT PAGES CHANGED All ...

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