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Evaluation Board User Guide
UG-252
One Technology Way • P. O. Box 9106 • Norwood, MA 02062-9106, U.S.A. • Te l: 781.329.4700 • Fax: 781.461.3113 • www.analog.com
Evaluation Board for the AD7280A Lithium Ion Battery Monitoring System
PLEASE SEE THE LAST PAGE FOR AN IMPORTANT
WARNING AND LEGAL TERMS AND CONDITIONS.
Rev. 0 | Page 1 of 24
FEATURES
Full-featured evaluation board for the AD7280A
EVAL-CED1Z compatible
Standalone capability
Various linking options
Daisy chain capability
PC software for control and data analysis when used with
the EVAL-CED1Z
GENERAL DESCRIPTION
This user guide describes the evaluation board kit for the
AD7280A (EVAL-AD7280AEDZ), which is a complete, 12-bit
resolution lithium ion battery monitoring system, integrating
multiple voltage and temperature input channels. Full details
about the part are available in the AD7280A data sheet from
Analog Devices, Inc., which should be consulted in conjunction
with this user guide when using the evaluation board.
On-board components include the ADG3308 and ADG3301
bidirectional logic level translators, the ADG849 switch and the
ADuM1201, and the ADuM5401 digital isolators.
Various link options and options for external connectors are
explained in Table 1, Table 5, and Table 6.
FUNCTIONAL BLOCK DIAGRAM
12-WAY CONNECTOR
12-WAY CONNECTOR
8-WAY CONNECTOR
CS, SCLK, SDI,
SDOIo, CNVST
ALERTIo
AND
PD
CS
SCLK
SDI
SDO
CNVST
ALERT
PD
CS
SCLK
SDI
SDO
CNVST
ALERT
PD
AD7280A
AD7280A
CShi, SCLKhi,
SDIhi, SDOhi,
CNVSThi, ALERThi,
AND
PDhi
7-WAY
CONNECTOR
CELL VOLTAGES
1 TO 6
CELL TEMP
1 TO 6
CB1 TO CB6
CELL VOLTAGES
7 TO 12
CELL TEMP
7 TO 12
CB1 TO CB6
CELL BALANCING
CIRCUITRY
THERMISTOR
CIRCUITRY
6-WAY
CONNECTOR
CELL BALANCING
CIRCUITRY
THERMISTOR
CIRCUITRY
EXTERNAL CONNECTORS
EXTERNAL
SUPPLY
DIGITAL ISOLATION
96-WAY EDGE CONNECTOR
09706-001
Figure 1.
