LTC4000-1
40
40001fa
For more information www.linear.com/LTC4001-1
LINEAR TECHNOLOGY CORPORATION 2012
LT 0613 REV A • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LTC4000-1
relaTeD parTs
Typical applicaTion
PART NUMBER DESCRIPTION COMMENTS
LTC4000 High Voltage High Current Controller for Battery Charging and Power
Management
Similar to LTC4000-1 with Input Current Regulation
LTC3789 High Efficiency, Synchronous, 4 Switch Buck-Boost Controller Improved LTC3780 with More Features
LT3845 High Voltage Synchronous Current Mode Step-Down Controller with
Adjustable Operating Frequency
For Medium/High Power, High Efficiency Supplies
LT3650 High Voltage 2A Monolithic Li-Ion Battery Charger
3mm × 3mm DFN-12 and MSOP-12 Packages
LT3651 High Voltage 4A Monolithic Li-Ion Battery Charger 4A Synchronous Version of LT3650 Family
LT3652/LT3652HV Power Tracking 2A Battery Chargers Multi-Chemistry, Onboard Termination
LTC4009 High Efficiency, Multi-Chemistry Battery Charger
Low Cost Version of LTC4008, 4mm × 4mm QFN-20
LTC4012 High Efficiency, Multi-Chemistry Battery Charger with PowerPath Control Similar to LTC4009 Adding PowerPath Control
LT3741 High Power, Constant Current, Constant Voltage, Step-Down Controller
Thermally Enhanced 4mm × 4mm QFN and 20-Pin TSSOP
Figure 32. Solar Panel Input 6V to 36V
IN
to 14.4V at 4.5A Buck Boost Converter 4-Cell LiFePO
4
Battery Charger with 2.9h Timer Termination and 0.22A Trickle Charge Current
1.37M
14.7k
26.7k
10k
R
NTC
4-CELL
LiFePO
4
BATTERY
PACK
NTHS0603
N02N1002J
Q2: SiR422DP
Q3: SiR496DP
Q4: SiR422DP
Q5: SiR496DP
100nF
10mΩ
309k
V
OUT
15V, 5A
Si7135DP
118k
CSN
CSP
BGATE
IGATE
BAT
OFB
FBG
BFB
NTC
LTC4000-1
ITH CC IID
154k
BZT52C5V6
4mΩ
0.01Ω
LTC3789
EXTV
CC
V
FB
0.22µF
INTV
CC
INTV
CC
BOOST2BOOST1
TG2SW2
MODE/PLLIN
PGOOD
ITHRUN
SS SGND PGND1
FREQ
RST
CLN
IN
ENC
CHRG
F LT
VM
1µF
210k
16.2k
IFB
8.66k
V
OUTSNS
I
OSENSE
–
I
OSENSE
+
SENSE
–
SENSE
+
8.06k
100k
10µF
10µF
DFLS160
B240A
DFLS160
40001 F32
270µF
3.3µF
×5
330µF
×2
22µF
×2
V
IN
V
INSNS
1µF
ILIM
121k
Si7343DP
BG2BG1SW1TG1
Q5 Q3Q2 Q4
B240A
0.01µF
0.22µF
1.24k
0.01Ω
1.24k
5.6Ω
390pF
IHLP6767GZ
ER4R7M01
4.7µH
3.6Ω
1800pF
R
LM234
V
+
V
–
SOLAR PANEL
INPUT <40V OPEN
CIRCUIT VOLTAGE
11.8V PEAK
POWER VOLTAGE
1k
CX
22.1k
CL TMRIIMON IBMON GND BIAS
18.2k
1µF10nF
0.1µF10nF
10M
10nF
10k
1nF
