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DS2438K Datasheet

  • DS2438K

  • Smart Battery Monitor Evaluation Kit

  • 332.34KB

  • 6頁(yè)

  • ETC

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DS2438K
Smart Battery Monitor Evaluation Kit
www.dalsemi.com
FEATURES
Demonstrates the capabilities of the DS2438
Smart Battery Monitor, including:
鈭?/div>
Temperature measurement
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Voltage measurement
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Current measurement
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Current accumulation
鈭?/div>
Elapsed time
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Information storage
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Identification
Provides small-volume DS2438 programming
support
Interfaces to the serial port of a PC running
Windows 95, Windows 98 or Windows NT
INDEX
Evaluation Kit Contents
Equipment Needed
Introduction
Setup and Installation
Selecting the COM Port
Real-Time Meters
Setting the Elapsed-Time Meter
End-of-Charge and Disconnect Timestamps
Calibrating Current Measurements
Setting the Current Accumulators
Status/Configuration Register
Real-Time Graphs
Nonvolatile Memory
Evaluation Board Schematic
EVALUATION KIT CONTENTS
1 pc. DS2438K evaluation board
2 pcs DS2438K software diskettes (3.5鈥?format)
1 pc. DS9123 Serial Port Adapter
1 pc. RJ-11 phone cable
1 pc. DS2438K data sheet
1 pc. DS2438 data sheet
EQUIPMENT NEEDED
1. An IBM-compatible PC running Windows 95,
Windows 98 or Windows NT with a 3.5鈥?/div>
floppy drive and an available serial port
2. A battery or power supply and cabling to
interface to the evaluation board
INTRODUCTION
The DS2438K Evaluation Kit makes performance evaluation, software development, and prototyping
with the DS2438 Smart Battery Monitor easy. The evaluation board interfaces to an IBM-compatible PC
through a DS9123 Serial Port Adapter and RJ-11 cable connection. Two floppy disks contain the
DS2438K software, which can be run under Windows 95, Windows 98 or Windows NT.
Resistor R1 on the evaluation board is a 50 m鈩?current sense resistor. Resistor R2 and capacitor C1
implement the VSENS鈥?low-pass filter recommended by the DS2438 data sheet. Component site R3,
which is intentionally unpopulated, allows another sense resistor to be soldered down in parallel with or
in place of resistor R1. Component site C3, intentionally unpopulated, allows a capacitor to be connected
to the VAD input if needed.
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020900

DS2438K 產(chǎn)品屬性

  • 1

  • 編程器，開(kāi)發(fā)系統(tǒng)

  • 過(guò)時(shí)/停產(chǎn)零件編號(hào)

  • -

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