LTC3300-1 Datasheet, PDF (32/44 Pages) Linear Technology – High Effciency Bidirectional Multicell Battery Balancer

LTC3300-1
APPLICATIONS INFORMATION
C6
C5
C4
LTC3300-1
C3
C2
V^{– C1}
•
••
+
CELL n + 4
+
CELL n + 3
+
CELL n + 2
+
CELL n + 1
+
CELL n
C6
C5
C4
LTC3300-1
C3
C2
V^{– C1}
•
••
+
CELL n + 3
+
CELL n + 2
+
CELL n + 1
+
CELL n
C6
C5
C4
LTC3300-1
C3
•
••
+
CELL n + 2
+
CELL n + 1
+
CELL n
C2
V^{– C1}
•
•
•
•
•
•
•
•
• ^{33001 F11}
(11a) Sub-Stack Using Only 5 Cells (11b) Sub-Stack Using Only 4 Cells (11c) Sub-Stack Using Only 3 Cells
Figure 11. Battery Stack Connections For 5, 4 or 3 Cells
C6
LTC3300-1
I_OUT > 40mA
V_IN
SW
L 5V
BUCK
C_IN
DC/DC
R_FB2
V_REG
4.8V
LINEAR
VOLTAGE
REGULATOR
FB
GND
R_FB1
C_OUT
V^–
33001 F12
Figure 12. Adding External Buck DC/DC for >40mA V_REG Drive
32
For more information www.linear.com/product/LTC3300-1
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