LTC6803 データシートの表示（PDF） - Linear Technology
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LTC6803 Datasheet PDF : 40 Pages
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LTC6803-1/LTC6803-3
TYPICAL APPLICATION
Cascadable 12-Cell Li-Ion Battery Monitor
CASCADED SPI PORT
TO NEXT LTC6803-1
CSBI
SDI
SCKI
CELL12
IMC1210ER100K
MM5Z5265B
RSO7J RSO7J RSO7J
100Ω 20Ω
100Ω
BAT46W
BAT46W
100Ω
100nF
REPEAT INPUT
CIRCUITS FOR
CELL3 TO CELL12
C12FILTER
DC12
C11FILTER
DC11
C10FILTER
DC10
C9FILTER
DC9
C8FILTER
DC8
C7FILTER
DC7
C6FILTER
DC6
C5FILTER
DC5
C4FILTER
DC4
C3FILTER
DC3
CELL2
RQJ0503PGDQALT
CELL1
33Ω 475Ω
RQJ0503PGDQALT
33Ω 475Ω
1M 1M 1M
1
CSBO
2
SDOI
3
SCKO
4 V+
CSBI 44
SDO 43
SDI 42
SCKI 41
100Ω
100Ω
20Ω
100Ω
CSBI
SDO*
MAIN SPI PORT
TO HOST µP OR
SDI NEXT LTC6803-1
SCKI
5
C12
6
S12
7
C11
8
S11
VMODE
GPIO2
GPIO1
WDTB
40
39
38
37
1M
1M
1M
*REQUIRES 1k PULL-UP RESISTOR AT HOST DEVICE
(SIGNAL NOT USED FOR INTER-IC COMMUNCATION)
9 C10 LTC6803-3 NC 36
10 S10
TOS 35
11
C9
12
S9
13
C8
14
S8
15
C7
VREG
VREF
VTEMP2
VTEMP1
NC
34
33
32
31
30
1µF
10k
NTC2
16
S7
17
C6
V– 29
S1 28
3+
8
1
100Ω
18
S6
C1 27
1µF
1/2 LT6004
10nF
19
C5
20
S5
S2 26
C2 25
2–
4
21
C4
S3 24
22
S4
C3 23
5+
8
7
10k
1/2 LT6004
NTC1
100Ω
C2FILTER
6–
4
100Ω
100nF
3.3k
PDZ7.5B
DC2
10nF
680313 TA02
100Ω
C1FILTER
100nF
PDZ7.5B
3.3k
DC1
RELATED PARTS
PART NUMBER DESCRIPTION
LTC6801
Independent Multicell Battery Stack Fault Monitor
LTC6802-1
LTC6802-2
LTC6803-2/
LTC6803-4
Multicell Battery Stack Monitor with Parallel Addressed
Serial Interface
Multicell Battery Stack Monitor with an Individually
Addressable Serial Interface
Multicell Battery Stack Monitor with an Individually
Addressable Serial Interface
COMMENTS
Monitors Up to 12 Series-Connected Battery Cells for Undervoltage or
Overvoltage. Companion to LTC6802 and LTC6803 Family
Functionally Equivalent to the LTC6803-1 and LTC6803-3, Pin Compatible with
the LTC6803-1
Functionally Equivalent to LTC6803-2/LTC6803-4, Pin Compatible with the
LTC6803-2
Functionality Equivalent to LTC6803-1/LTC6803-3, Allows for Parallel
Communication Battery Stack Topologies
40 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
680313f
LT 0211 • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 2011
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