Datasheet

LTC6802-1
38
68021fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
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www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2009
LT 0110 REV A • PRINTED IN USA
4
RS07JRS07JRS07J
10020100
20
100nF
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
MMB
TOS
V
REG
V
REF
V
TEMP2
V
TEMP1
NC
V
−
S1
C1
S2
C2
S3
C3
LTC6802-1
CASCADED SPI PORT
TO NEXT LTC6802-1
REPEAT INPUT
CIRCUITS FOR
CELL3 TO CELL12
68021 TA02
DC12
BAT46W
DC11
DC10
DC9
DC8
DC7
DC6
DC5
DC4
DC3
C12FILTER
C11FILTER
SDIO
CSBO
SCKO
C10FILTER
C9FILTER
C8FILTER
C7FILTER
C6FILTER
C5FILTER
C4FILTER
C3FILTER
CELL12
CSBI
SDO*
SDI
SCKI
NTC2
BAT46W
BAT46W
BAT46W
BAT46W
BAT46W
CMHZ5265B
BLM31PG330SN1L
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
1M
1M
1M
20
100
100
10k
100
1M1M1M
–
+
1µF
100nF
1µF
3
2
1
4
8
8
1/2 LT6004
100
10nF
NTC1
10k
–
+
5
6
7
4
1/2 LT6004
100
10nF
CELL2
CELL1
100
3.3k
SI2351DS
C2FILTER
C1FILTER
DC2
MM3Z12VT1
PDZ7.5B
PRTR5V0U4D
33
475
100nF
100
3.3k
SI2351DS
DC1
MM3Z12VT1
PDZ7.5B
33
475
16
25
3
MAIN SPI PORT
TO HOST µP OR
NEXT LTC6802-1
*REQUIRES 1k PULL-UP RESISTOR AT HOST DEVICE
(SIGNAL NOT USED FOR CURRENT-MODE COMMUNICATION)
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LTC6802-2 Multicell Battery Stack Monitor with an Individually
Addressable Serial Interface
Functionality equivalent to LTC6802-1, Allows for Parallel Communication
Battery Stack Topologies
TYPICAL APPLICATION
Cascadable 12-Cell Li-Ion Battery Monitor