LTC6803-1/LTC6803-3
40
680313fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2011
LT 0812 REV A • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
Cascadable 12-Cell Li-Ion Battery Monitor
PART NUMBER DESCRIPTION COMMENTS
LTC6801 Independent Multicell Battery Stack Fault Monitor Monitors Up to 12 Series-Connected Battery Cells for Undervoltage or
Overvoltage. Companion to LTC6802 and LTC6803 Family
LTC6802-1 Multicell Battery Stack Monitor with Parallel Addressed
Serial Interface
Functionally Equivalent to the LTC6803-1 and LTC6803-3, Pin Compatible with
the LTC6803-1
LTC6802-2 Multicell Battery Stack Monitor with an Individually
Addressable Serial Interface
Functionally Equivalent to LTC6803-2/LTC6803-4, Pin Compatible with the
LTC6803-2
LTC6803-2/
LTC6803-4
Multicell Battery Stack Monitor with an Individually
Addressable Serial Interface
Functionality Equivalent to LTC6803-1/LTC6803-3, Allows for Parallel
Communication Battery Stack Topologies
CSBO
SDOI
SCKO
V
+
C12
S12
C11
S11
C10
S10
C9
S9
C8
S8
C7
S7
C6
S6
C5
S5
C4
S4
CSBI
SDO
SDI
SCKI
V
MODE
GPIO2
GPIO1
WDTB
NC
TOS
V
REG
V
REF
V
TEMP2
V
TEMP1
NC
V
–
S1
C1
S2
C2
S3
C3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
LTC6803-1
CSBI
SDI
SCKI
CASCADED SPI PORT
TO NEXT LTC6803-1
IMC1210ER100K
100Ω
100nF
REPEAT INPUT
CIRCUITS FOR
CELL3 TO CELL12
C12FILTER
DC12
CELL12
MM5Z5265B
BAT46W
BAT46W
C11FILTER
DC11
C10FILTER
DC10
C9FILTER
DC9
C8FILTER
DC8
C7FILTER
DC7
C6FILTER
DC6
C5FILTER
DC5
C4FILTER
DC4
C3FILTER
DC3
CELL2
CELL1
C2FILTER
C1FILTER
DC2
DC1
100nF
100Ω
3.3k
1M
1M
1M
10k
100Ω
NTC2
100nF
3.3k
RQJ0303PGDQA
RQJ0303PGDQA
475Ω
33Ω
PDZ7.5B
PDZ7.5B
100Ω
475Ω
33Ω
100nF
–
+
1µF
10k
100Ω
NTC1
100nF
680313 TA02
1µF
3
2
1
8
4
1/2 LT6004
–
+
5
6
7
8
4
1/2 LT6004
CSBI
MAIN SPI PORT
TO HOST µP OR
NEXT LTC6803-1
*REQUIRES 1k PULL-UP RESISTOR AT HOST DEVICE
(SIGNAL NOT USED FOR INTER-IC COMMUNCATION)
SDO*
SDI
SCKI
1M 1M1M
