LTC4000-1 Datasheet, PDF (40/40 Pages) Linear Technology – High Voltage High Current Controller for Battery Charging with Maximum Power Point Control

LTC4000-1
Typical Application
SOLAR PANEL
INPUT <40V OPEN
CIRCUIT VOLTAGE
11.8V PEAK
POWER VOLTAGE
LM234
V⁺
R
V^–
1k
4mΩ
270µF
390pF
5.6Ω
IHLP6767GZ
ER4R7M01
4.7µH
1800pF
B240A ^3.6Ω
Q2
Q4
Q5
0.22µF
0.01Ω
B240A
Q3
0.22µF
0.01Ω
330µF
×2
3.3µF
×5
1µF
1.24k 1.24k
TG1 SW1 BG1 SENSE⁺ SENSE^– BG2 SW2 TG2
DFLS160
BOOST1
INTV_CC
BOOST2
INTV_CC
MODE/PLLIN
V_IN
V_INSNS
121k
FREQ
ILIM
LTC3789
PGOOD
I_OSENSE+
I_OSENSE–
V_OUTSNS
EXTV_CC
V_FB
RUN ITH SS
SGND PGND1
0.01µF
DFLS160
10µF
100k
BZT52C5V6
154k
8.06k
22µF
×2
10µF
Si7135DP
210k
16.2k
8.66k
14.7k
100nF
RST ITH
CC
CLN
IN
1µF
VM
LTC4000-1
IID IGATE CSP
CSN
BGATE
BAT
OFB
IFB
ENC
CHRG
FLT
Q2: SiR422DP
Q3: SiR496DP
Q4: SiR422DP
Q5: SiR496DP
IIMON IBMON CL TMR
CX GND BIAS
10nF
0.1µF
10nF
18.2k
22.1k
1µF
FBG
BFB
NTC
10k
Figure 32. Solar Panel Input 6V to 36V_IN to 14.4V at 4.5A Buck Boost Converter 4-Cell LiFePO₄
Battery Charger with 2.9h Timer Termination and 0.22A Trickle Charge Current
V_OUT
15V, 5A
309k
10mΩ
Si7343DP
26.7k
118k
1.37M
R_NTC
4-CELL
LiFePO₄
BATTERY
PACK
40001 F32
NTHS0603
N02N1002J
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40 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^● FAX: [phone] ^● www.linear.com
LT 0712 • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 2012