LTC3300-2_15 Datasheet, PDF (14/42 Pages) Linear Technology – Addressable High Efficiency Bidirectional Multicell Battery Balancer

LTC3300-2
OPERATION
CN
CHARGER
V^–
V_CC
µP/µC
V_EE
I_CHARGE
DIGITAL
ISOLATOR
DIGITAL
ISOLATOR
DIGITAL
ISOLATOR
C6 C5
C4
LTC3300-2
BALANCER ^C3
C2
V^– C1
C6 C5
C4
LTC3300-2
BALANCER
C3
C2
V^{– C1}
C6 C5
C4
LTC3300-2
BALANCER _C3
C2
V^– C1
C6 C5
C4
LTC3300-2
BALANCER _C3
C2
V^{– C1}
TOP OF STACK
+
CELL N
+
CELL N – 1
+ _{CELL N – 2}
+
CELL N – 3
+ _{CELL N – 4}
+ _{CELL N – 5}
+ _{CELL N – 6}
+ _{CELL N – 7}
+ _{CELL N – 8}
+ _{CELL N – 9}
+ _{CELL N – 10}
+ _{CELL N – 11}
•
•
•
+ _{CELL 12}
+ _{CELL 11}
+ _{CELL 10}
+ _{CELL 9}
+ _{CELL 8}
+ _{CELL 7}
+ _{CELL 6}
+ _{CELL 5}
+ _{CELL 4}
+ _{CELL 3}
+ _{CELL 2}
+ _{CELL 1}
C11 C12
C10
C9
C8
C7
C6
LTC6803-2
MONITOR
C5
C4
C3
C2
C1 _V^–
C11 C12
C10
C9
C8
C7
LTC6803-2
C6 ^MONITOR
C5
C4
C3
C2
C1 _V^–
SERIAL COMMUNICATION BUS
Figure 1. LTC3300-2/LTC6803-2 Typical Battery Management System (BMS)
I_LOAD
DIGITAL
ISOLATOR
33002 F01
14
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33002f