ltc6803g-4 Linear Technology Corporation, ltc6803g-4 Datasheet - Page 14

• Manufacturer Part Number: ltc6803g-4
• Description: Ltc6803-2/ltc6803-4 - Multicell Battery Stack Monitor
• Manufacturer: Linear Technology Corporation

LTC6803-2/LTC6803-4
OPERATION
14
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+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
V
C12
S12
C11
S11
C10
S10
C9
S9
C8
S8
C7
S7
C6
S6
C5
S5
C4
S4
C3
S3
C2
V
C12
S12
C11
S11
C10
S10
C9
S9
C8
S8
C7
S7
C6
S6
C5
S5
C4
S4
C3
S3
C2
+
+
LTC6803-4
LTC6803-4
IC #1
IC #0
Figure 1. Simplified 96-Cell Battery or Supercapacitor, Isolated Interface. In this Diagram the Battery
Negative is Isolated from the Module Ground. Isolated Power Supplies Each LTC6803-4. Opto-Couplers
or Digital Isolators Allow Each IC to Be Addressed Individually
V
V
V
V
GPIO2
GPIO1
GPIO2
GPIO1
WDTB
WDTB
TEMP2
TEMP1
TEMP2
TEMP1
V
V
CSBI
SCKI
V
CSBI
SCKI
V
SDO
SDO
TOS
TOS
REG
REG
SDI
SDI
REF
REF
NC
NC
A3
A2
A1
A0
C0
S1
C1
S2
A3
A2
A1
A0
C0
S1
C1
S2
V
V
–
–
ADDRESS0
ADDRESS1
V2
OE2
V2
V2
V2
OE2
V2
V2
ISOLATOR
ISOLATOR
–
–
+
–
–
+
DIGITAL
DIGITAL
CONVERTER
CONVERTER
ISOLATED
ISOLATED
DC/DC
DC/DC
OE1
V1
V1
OE1
V1
V1
V1
V1
–
+
–
+
–
–
3V
3V
12V
12V
+
+
+
+
+
+
+
+
+
+
+
+
MISO
CS
M0SI
CLK
MPU
3V
V
C12
S12
C11
S11
C10
S10
C9
S9
C8
S8
C7
S7
C6
S6
C5
S5
C4
S4
C3
S3
C2
+
LTC6803-4
IC #7
MODULE
V
V
GPIO2
GPIO1
WDTB
TEMP2
TEMP1
IO
CSBI
SCKI
V
V
SDO
TOS
SDI
REG
REF
NC
A3
A2
A1
A0
V
C0
S1
C1
S2
–
ADDRESS7
V2
OE2
V2
V2
ISOLATOR
–
–
+
DIGITAL
CONVERTER
ISOLATED
DC/DC
V1
V1
OE1
V1
–
+
–
3V
12V
680324 F01
680324f