LTC1479 LINER [Linear Technology], LTC1479 Datasheet - Page 22

• Manufacturer Part Number: LTC1479
• Description: PowerPath Controller for Dual Battery Systems
• Manufacturer: LINER [Linear Technology]

BATTERY
BATTERY
LTC1479
TYPICAL APPLICATIONS
22
4 Li-ION
4 Li-ION
SMART
SMART
PACK
PACK
BAT1
BAT2
R
R
BAT1
BAT2
12.1k
R
909k
121k
R
205k
DC1
R
R
C1
0.1 F
1%
DC2
1%
1%
1%
B2
B1
+
+
+
Si9926DY
C
10 F
C
10 F
330
BAT1
BAT2
0.1 F
C2
2.2 F
16V
SW G
DCDIV
BAT1
BAT2
V
BDIV
V
V
DCIN
BAT
CCP
CC
GND
+
V
SW A
GA
+
Si9926DY
Si4936DY
SW
C3
1 F
50V
SAB
SW H
L1*
1mH
SW B
U
+
GB
V
GG
C4
1 F
50V
Dual Li-Ion Battery Power Management System
SW C
N
GG SG GH SH
GC
Si4936DY
SCD
SW D
LTC1479
GD
SW E
BATDIS DCIN/BAT
GE
Si4936DY
SEF
SW F
GF
R
3.83k
1%
Q1
2N7002
PROG
SENSE
CHGMON
R
0.033
+
DC/DC
FROM
SENSE
5V
CERAMIC
DCINGOOD
R5
300
CC
SENSE
C8
1 F
CHGSEL
BATSEL
10 F
V
LOBAT
BKUP
C6
3DM
(CHARGER OUTPUT)
–
1, 7-10, 16
R6
1k
C9
0.1 F
100k
2N7002
R7
470k
D5
BAS16LT1
7
6
Q2
(BOLD LINES INDICATE HIGH CURRENT PATHS)
PROG
V
GND
R
R
C
DTA144E
BAT1
BAT2
LT1510
ROHM
V
BAT
CC
BOOST
SENSE
14, 15
+
11
OVP
SW
D2
MBRS140T
C
22 F
TANT
CHG
CELL
NiCD
10k
R8
C10
0.1 F
2
2
3
6
5
1
MANAGEMENT
+
LBO
LBI
POWER
I
LIM
***
LT1304
**
6
R1
22k
D3
1N4148
P
*
SW
C7
0.22 F
(BACKUP)
1812LS-105 XKBC, COILCRAFT
DT1608-223, COILCRAFT
CTX33-2, COILTRONICS
+
4
SHDN
GND
C
10 F
35V
ALUM
V
10 H
C5
0.1 F
5
DCIN
FB
V
IN
L2**
0.1 F
CC
C11
L3***
33 H
8
7
3
MBR0530
DC INPUT
(FROM AC
ADAPTOR)
MBRS140T
D1
SMBUS
D4
5V
FROM
DC/DC
R3
100k
1%
R2
390k
1%
1479 TA03
R7
649k
0.25%
R8
115k
0.25%
CC
TO INPUT
OF DC/DC
CONVERTER