參數(shù)資料
型號(hào): LTC1479IG
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: PowerPath Controller for Dual Battery Systems
中文描述: 3-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO36
封裝: 0.209 INCH, PLASTIC, SSOP-36
文件頁(yè)數(shù): 23/24頁(yè)
文件大?。?/td> 466K
代理商: LTC1479IG
23
LTC1479
Dual Li-Ion Battery Power Management System (Using an LT1511, 3A Charger)
TYPICAL APPLICATIO
S
N
U
1479 TA04
DCIN
BAT1
BAT2
V
BAT
+
+
V
+
SW
V
GG
C3
1
μ
F
50V
L1*
1mH
C4
1
μ
F
50V
V
CC
R
SENSE
0.033
SW A
330
SW B
SW C
SW D
SW E
SW F
GA
GB
GC
GD
GE
GF
SAB
SCD
SEF
SENSE
+
SENSE
V
BKUP
V
CCP
C2
2.2
μ
F
16V
C1
0.1
μ
F
POWER
MANAGEMENT
μ
P
BDIV
DCDIV
LTC1479
GG SG GH SH
NiCD
CELL
1812LS-105 XKBC, COILCRAFT
DT1608-223, COILCRAFT
CTX20-4, COILTRONICS
***
*
**
R
1.05M
1%
R
121k
1%
R
205k
1%
R
12.1k
1%
+
LOBAT
DCINGOOD
TO INPUT
OF DC/DC
CONVERTER
L2**
10
μ
H
3DM
5V
FROM
DC/DC
V
CC
D1
MBR0530
BATSEL
CHGSEL
GND
BATDIS DCIN/BAT
DC INPUT
(FROM AC
ADAPTOR)
SW H
Si9926DY
Si4936DY
Si4936DY
Si4936DY
SW G
Si9926DY
R2
390k
1%
R3
100k
1%
+
+
C
BAT1
10
F
C
BAT2
10
F
SMBUS
BAT2
4 Li-ION
SMART
BATTERY
PACK
BAT1
4 Li-ION
SMART
BATTERY
PACK
CHGMON
R
BAT1
R
BAT1
R
BAT2
R
BAT2
+
C5
0.1
μ
F
C15
0.1
μ
F
R1
22k
R11
470k
100k
4
8
7
3
5
C14
0.1
μ
F
1
6
2
5V
CC
FROM
DC/DC
D5
BAS16LT1
Q2
2N7002
ROHM
DTA144E
R12
10k
(BACKUP)
SW
FB
SHDN
V
IN
GND
I
LIM
LBI
LBO
LT1304
V
CC
R5
500
C9
0.33
μ
F
C8
1
μ
F
PROG
V
C
10
19
18
11
6
2
18
8
14 12
3
1, 4, 5, 7,
16, 23, 24
9
20 TO 22
R
4.93k
1%
C10
200pF
SW
UV
BOOST
COMP1
SPIN
BAT
SENSE
GND
C13
0.47
μ
F
C11
50pF
C12
1
μ
F
C7
10
μ
F
D3
L3***
20
μ
H
D2
MBRS340T
LT1511
C6
10
μ
F
CERAMIC
+
C
CHG
22
μ
F
TANT
+
C
DCIN
10
F
35V
ALUM
+
(CHARGER OUTPUT)
Q1
2N7002
R6
1k
R7
649k
0.25%
R9
6.8k
R10
5k
R4
500
R
S4
0.05
R8
115k
0.25%
R
S3
200
1%
R
S2
200
1%
R
S1
0.033
OVP
CLP
CLN
D1
MBRS340T
(BOLD LINES INDICATE HIGH CURRENT PATHS)
0.1
μ
F
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
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