LTC1479 LINER [Linear Technology], LTC1479 Datasheet - Page 19

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

APPLICATIONS
I
PROG
SHDN
R5, 1k
100pF
Figure 12. Interfacing to an LT1620/LTC1435 High Efficiency Constant-Voltage/Constant-Current Battery Charger
BATTERY
BATTERY
C2
*CENTRAL SEMICONDUCTOR CO. [phone]
4 Li-ION
4 Li-ION
1
2
3
4
PACK
PACK
BAT1
BAT2
MANAGEMENT
SENSE
I
GND
NIN
OUT
POWER
LT1620
0.01 F
C3
0.1 F
P
0.033 F
+
–
+
–
U
C5
C4
PROG
TO SW C/D
TO SW E/F
AVG
V
PIN
CC
+
+
INFORMATION
U
8
7
6
5
C
10 F
C
10 F
BAT1
BAT2
Si9926DY
0.33 F
0.1 F
SW G
C6
C7
W
R5
1.5M
BAT1
100pF
Si9926DY
C10
C9, 100pF
SW H
R3
10k
1%
BAT2 GG SG GH SH
U
C8
0.1 F
1
2
3
4
5
6
7
8
LTC1479
C
RUN/SS
I
SFB
SGND
V
SENSE
SENSE
TH
OSC
OSENSE
C11
56pF
LTC1435
–
+
INTV
BOOST
PGND
V
SW
V
BG
TG
CC
CC
IN
CHGMON
16
15
14
13
12
11
10
9
DCIN
CMDSH-3
D2*
0.1 F
330
0.33 F
R2
76.8k
0.1%
C13
W A/B
C1
100pF
+
TO
4.7 F
C14
CMDSH-3
0.1 F
C12
D1*
R1
1M
0.1%
Q1
Si4412DY
Q2
Si4412DY
27 H
L1
DC INPUT
(FROM AC
ADAPTER)
+
0.025
C15
22 F
35V
R4
2
LTC1479
1479 F12
+
19
C16
22 F
35V