Datasheet

LTC4000-1
35
40001fa
For more information www.linear.com/LTC4001-1
Typical applicaTions
Figure 30. 21V at 5A Boost Converter 5-Cell Li-Ion Battery Charger for High Impedance Input Sources
Such as Solar Cell, Fuel Cell or Wind Turbine Generator
1.87M
28.7k
107k
R
NTC
5-CELL
Li-Ion
BATTERY
PACK
TENERGY
SSIP PACK
30104
NTHS0603
N02N1002J
22nF
10mΩ
V
OUT
22V, 5A
HIGH IMPEDANCE
INPUT SOURCE
8V TO 18V WITH
PEAK POWER
VOLTAGE AT 11.7V
BSC027N04
BAS140W
Si7135DP
BSC027N04
107k
CSN
CSP
BGATE
IGATE
BAT
OFB
FBG
BFB
NTC
CX
LTC4000-1
ITH CC
IID
1.87M
232k
3.3mΩ
LTC3786
V
BIAS
V
FB
22µF
×5
150µF
SW
BG
TG
ITHGND
SENSE
+
SENSE
FREQ
SS
RST
CLN
IN
ENC
CHRG
F LT
VM
22.1k
CL TMRGND BIAS
22.1k
F
100k
7.5k
IFB
10k
10k
F
40001 F30
BOOST
22µF
×4
150µF
INTV
CC
PLLINMODE
RUN
PGOOD
4.7µF
100k
0.1µF
0.1µF
1nF
100Ω
PA1494.362NL
3.3µH
2.5mΩ
100Ω
10µF
10k
INTV
CC
INTV
CC
Si7135DP
IIMON IBMON
10nF10nF
10M