LTC4000_15 Datasheet, PDF (40/40 Pages) Linear Technology – High Voltage High Current Controller for Battery Charging and Power Management

LTC4000
Typical Application
390pF
5.6Ω
IHLP6767GZ
ER4R7M01
4.7µH
V_IN
6V TO 36V
12.5A MAX
4mΩ
270µF
Q2
0.22µF
1800pF
B240A ^3.6Ω
Q4
Q5
0.01Ω
B240A
Q3
0.22µF
0.01Ω
330µF
×2
Si7135DP
10M
V_OUT
15V, 5A
3.3µF
1.24k 1.24k
22µF
×5
×2
TG1 SW1 BG1 SENSE⁺ SENSE^– BG2 SW2 TG2
DFLS160
INTV_CC
BOOST1
V_IN
1µF
V_INSNS
LTC3789
121k
FREQ
ILIM
RUN ITH SS
SGND PGND1
0.01µF
10k
1nF
BOOST2
INTV_CC
MODE/PLLIN
PGOOD
I_OSENSE+
I_OSENSE–
V_OUTSNS
EXTV_CC
V_FB
DFLS160
10µF
100k
BZT52C5V6
154k
8.06k
10µF
10nF
14.7k
100nF
RST ^ITH
CC
CLN
IN
365k
1µF
100k
BZX84C3VO
Q2: SiR422DP
Q3: SiR496DP
10nF
Q4: SiR4840BDY
Q5: SiR496DP
VM
ENC
CHRG
FLT
IIMON
IBMON
10nF
LTC4000
IL CL
TMR
CX
GND BIAS
18.2k
0.1µF 22.1k
1µF
IID IGATE CSP
CSN
BGATE
BAT
OFB
FBG
BFB
NTC
4000 F28
10k
309k
10mΩ
Si7135DP
10nF
26.7k
118k
1.37M
R_NTC
4-CELL
LiFePO₄
BATTERY
PACK
Figure 28. 6V to 36V_IN to 14.4V at 4.5A Buck Boost Converter 4-Cell LiFePO₄ Battery Charger
with 2.9h Timer Termination and 0.45A Trickle Charge Current
NTHS0603
N02N1002J
Related Parts
PART NUMBER
LTC3789
LT3845
LT3650
LT3651
LT3652/LT3652HV
LTC4009
LTC4012
LT3741
DESCRIPTION
COMMENTS
High Efficiency, Synchronous, 4 Switch Buck-Boost Controller
Improved LTC3780 with More Features
High Voltage Synchronous Current Mode Step-Down Controller with
Adjustable Operating Frequency
For Medium/High Power, High Efficiency Supplies
High Voltage 2A Monolithic Li-Ion Battery Charger
3mm × 3mm DFN-12 and MSOP-12 Packages
High Voltage 4A Monolithic Li-Ion Battery Charger
4A Synchronous Version of LT3650 Family
Power Tracking 2A Battery Chargers
Multi-Chemistry, Onboard Termination
High Efficiency, Multi-Chemistry Battery Charger
Low Cost Version of LTC4008, 4mm × 4mm QFN-20
High Efficiency, Multi-Chemistry Battery Charger with PowerPath Control Similar to LTC4009 Adding PowerPath Control
High Power, Constant Current, Constant Voltage, Step-Down Controller Thermally Enhanced 4mm × 4mm QFN and 20-Pin TSSOP
40 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 950_Fo3_r5_m-7_o4_re1_i7_{nformation www.linear.com/LTC4000}
[phone] ^● FAX: [phone] ^● www.linear.com/LTC4000
4000fb
LT 0613 REV B • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 2011