LTC1479CG Linear Technology, LTC1479CG Datasheet - Page 21

• Manufacturer Part Number: LTC1479CG
• Description: IC CTRLR DUAL BATT SYS 36-SSOP
• Manufacturer: Linear Technology

Specifications of LTC1479CG

• Function: Dual Battery Controller
• Battery Type: Lead Acid, Li-Ion, NiCd, NiMH
• Voltage - Supply: 6 V ~ 28 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 36-SSOP (0.200", 5.30mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

BATTERY
BATTERY
TYPICAL APPLICATIONS
12-CELL
12-CELL
NiMH
PACK
NiMH
PACK
BAT1
BAT2
R
R
TH1
TH1
12.1k
R
R
909k
121k
205k
R
R
C1
0.1 F
DC2
DC1
1%
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
Dual NiMH Battery Power Management System (Using an LT1510, 1A Charger)
+
SW A
V
GA
+
Si4936DY
Si9926DY
SW
C3
1 F
50V
SAB
SW H
L1*
1mH
SW B
GB
+
V
U
GG
C4
1 F
50V
SW C
GG SG GH SH
GC
N
Si4936DY
SCD
SW D
LTC1479
GD
SW E
BATDIS DCIN/BAT
GE
Si4936DY
SEF
SW F
GF
R
11k
1%
Q1
2N7002
PROG
SENSE
CHGMON
R4
100k
1%
DC/DC
FROM
R
0.033
5V
CERAMIC
+
DCINGOOD
R
909k
1%
SENSE
R
100k
1%
CM2
CC
CM1
CHGSEL
BATSEL
SENSE
10 F
R5
300
V
LOBAT
BKUP
3DM
C6
C8
1 F
(CHARGER OUTPUT)
–
R6
1k
C9
0.1 F
2N7002
100k
R7
470k
D5
BAS16LT1
7
6
3
Q2
(BOLD LINES INDICATE HIGH CURRENT PATHS)
PROG
V
GND
C
R
R
DTA144E
TH1
TH2
ROHM
LT1510
V
BAT
CC
BOOST
SENSE
+
8
5
SW
D2
MBRS140T
C
22 F
TANT
CHG
NiCD
CELL
10k
R8
C10
0.1 F
2
1
1
2
4
MANAGEMENT
+
***
LBO
LBI
POWER
**
I
*
LIM
1812LS-105 XKBC, COILCRAFT
CD43, SUMIDA
CTX33-2, COILTRONICS
LT1304
6
P
D3
1N4148
R1
22k
SW
+
C7
0.22 F
(BACKUP)
4
SHDN
GND
V
10 H
C
10 F
35V
ALUM
C5
0.1 F
5
FB
V
IN
DCIN
L2**
0.1 F
CC
C11
L3***
33 H
8
7
3
MBR0530
LTC1479
D1
D4
MBRS140T
SMBUS
1479 TA02
5V
FROM
DC/DC
R2
390k
1%
R3
100k
1%
21
CC
DC INPUT
(FROM AC
ADAPTOR)
TO INPUT
OF DC/DC
CONVERTER