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Circuit Note
CN-0235
Devices Connected/Referenced
Circuits from the Lab? reference circuits are engineered and
tested for quick and easy system integration to help solve today’s
analog, mixed-signal, and RF design challenges. For more
information and/or support, visit www.analog.com/CN0235 .
AD7280A
AD8280
ADuM5404
ADuM1400
Lithium Ion Battery Monitoring System
Lithium Ion Battery Safety Monitor
Quad-Channel Isolators with
Integrated DC-to-DC Converter
Quad-Channel Digital Isolators
Fully Isolated Lithium Ion Battery Monitoring and Protection System
EVALUATION AND DESIGN SUPPORT
Circuit Evaluation Boards
CN-0235 Circuit Evaluation Board (EVAL-CN0235-SDPZ)
System Demonstration Platform (EVAL-SDP-CB1Z)
Design and Integration Files
Schematics, Layout Files, Bill of Materials
CIRCUIT FUNCTION AND BENEFITS
Lithium ion (Li-Ion) battery stacks contain a large number of
individual cells that must be monitored correctly in order to
enhance the battery efficiency, prolong the battery life, and
ensure safety.
FERRITE
0.1μF
10μF
0.1μF
V DD 1
1k ?
V DD 1
1 0k ?
VIN12
VIN11
V DD 0
34?
10k?
1 0k ?
10k?
0.1μF
VIN6
CB6
VIN5
AD7280A
VIN12
VIN11
VIN10
VIN9
VIN8
VIN7
VIN6
VIN6
VIN5
VIN4
VIN3
VIN2
VIN1
VIN0
AD8280
VIN7
+5V
34?
1 0k ?
10k?
0.1μF
VIN1
CB1
VIN0
22pF
22pF
22pF
22pF
V DD 0
10k?
1 0k ?
22pF
22pF
22pF
22pF
22pF
V ISO
GND ISO
V IA
V IB
V IC
V ID
V DD1
GND 1
V OA
V OB
V OC
V OD
FERRITE
0.1μF
10μF
0.1μF
V DD 0
22pF
22pF
22pF
10k?
VIN6
VIN5
VIN4
VIN3
VIN2
VIN1
VIN0
VIN6
VIN5
VIN4
VIN3
VIN2
VIN1
VIN0
AD8280
AVOUTOV
AVOUTUV
ENBI
TESTI
ADuM5404
V DD2 V DD1
GND 2 GND 1
V OA V IA
V OB V IB
+3.3V
VIN6
VIN5
VIN1
VIN0
34?
34?
FERRITE
10k?
10k?
10k?
10k?
10k?
10k?
0.1μF
0.1μF
VIN6
CB6
VIN5
VIN1
CB1
VIN0
V SS 0
AD7280A
0.1μF 1μF
DRIVE
ALERT
CNVST
PD
CS
SCLK
SDI
SDO
1 k?
V SS 0
10k?
V OC V IC
V OD V ID
ADuM1400
V DD2 V DD1
GND 2 GND 1
V OA V IA
V OB V IB
V OC V IC
V ID V OD
ADuM1401
+3.3V
1k?
Figure 1. Lithium Ion Battery Monitoring and Protection System Simplified Schematic
Rev.0
Circuits from the Lab? circuits from Analog Devices have been designed and built by Analog Devices
engineers. Standard engineering practices have been employed in the design and construction of
each circuit, and their function and performance have been tested and verified in a lab environment at
room temperature. However, you are solely responsible for testing the circuit and determining its
suitability and applicability for your use and application. Accordingly, in no event shall Analog Devices
be liable for direct, indirect, special, incidental, consequential or punitive damages due to any cause
whatsoever connected to the use of any Circuits from the Lab circuits. (Continued on last page)
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相关PDF资料
EVAL-CN0253-SDPZ EVAL MONITOR CIRCUIT FRONT END
EVAL-CN0271-SDPZ EVAL SYSTEM FOR CN0271
EVAL-INAMP-82RMZ BOARD EVAL FOR AD8220 MSOP
EVAL-PRAOPAMP-1KSZ ADAPTOR BOARD SINGLE AMP SC70-5
EVAL-PRAOPAMP-1RJZ ADAPTOR BOARD SINGLE AMP SOT23-5
EVAL-PRAOPAMP-1RMZ ADAPTOR BOARD SINGLE AMP 8MSOP
EVAL-PRAOPAMP-1RZ ADAPTOR BOARD SINGLE AMP 8SOIC
EVAL-PRAOPAMP-2RMZ ADAPTOR BOARD DUAL AMP MSOP
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