LTC4000
34
4000fb
For more information www.linear.com/LTC4000
Typical applicaTions
Figure 25. 48V to 10.8V at 10A Buck Converter 3-Cell LiFePO
4
Battery Charger with 2.9h Termination Timer,
1.25A Trickle Charge Current and Charging PFET Thermal Protection
1.13M
14.7k
127k
10k
R
NTC
3-CELL
LiFePO
4
BATTERY
PACK
NTHS0603
N02N1002J
NTHS0603
N02N1002J
1.15M
Si7135DP
47nF
5mΩ
V
OUT
12V, 15A
V
IN
15V TO 60V
10A MAX
BSC123NO8NS3
BAS521
1N4148
B160
0.1µF
WÜRTH ELEKTRONIC
74435561100
10µH
133k
CSN
CSP
BGATE
IGATE
BAT
OFB
FBG
BFB
NTC
CX
LTC4000
ITH
BIAS
CC IID
1M
5mΩ
3mΩ
LT3845A
SENSE
+
BURST_EN
SENSE
33µF
×3
RST
CLN
IN
SW
BG
BOOST
V
CC
ENC
V
FB
V
C
SHDN
C
SS
f
SET
CHRG
F LT
VM
IIMON
IBMON
22.1k
CLIL TMR
GND BIAS
BIAS
F
1.10M
100k
10nF
10nF
BZX84C3VO
24.9k
F
0.1µF
4000 F25
BSC123NO8NS3
2N7002L
HYST
OUT
REF
GND
V
+
V
TG
IN
IN
+
LTC1540
1M
38.3k
182k
10k
162k
20k
47µF
2.2µF
F
16.2k
V
IN
1.5nF
49.9k
SYNC
SGND
10nF
Si7135DP
10M
LTC4000
35
4000fb
For more information www.linear.com/LTC4000
Typical applicaTions
Figure 26. 6V to 21V at 5A Boost Converter 5-Cell Li-Ion Battery Charger with C/10 Termination and 0.55A Trickle Charge Current
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
V
IN
6V TO 18V
15A MAX
BSC027N04
BAS140W
Si7135DP
BSC027N04
107k
CSN
CSP
BGATE
IGATE
BAT
OFB
FBG
BFB
NTC
CX
LTC4000
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
IIMON
IBMON
22.1k
CL TMRIL
GND BIAS
22.1k
F
383k
100k
12.1k
10nF
10nF
F
4000 F26
BOOST
22µF
×4
150µF
INTV
CC
PLLINMODE
RUN
PGOOD
4.7µF
100k
0.1µF
0.1µF
1nF
10Ω
PA1494.362NL
3.3µH
2.5mΩ
10Ω
10µF
10k
INTV
CC
INTV
CC
10nF
Si7135DP
10M
LTC4000
36
4000fb
For more information www.linear.com/LTC4000
Typical applicaTions
Figure 27. 18V to 72V
IN
to 4.2V at 2.0A Isolated Flyback Single-Cell Li-Ion Battery Charger
with 2.9h Timer Termination and 0.22A Trickle Charge Current
309k
115k
R
NTC
SINGLE-CELL
Li-Ion
BATTERY
PACK
NTHS0603
N02N1002J
V
SYS
4.4V, 2.5A
SiA923EDJ
115k
CSN
CSP
BGATE
IGATE
BAT
OFB
FBG
BFB
NTC
CX
LTC4000
IID
CLN
IN
VM
309k
RST
ITH
ENC
CHRG
F LT
CC
22.1k
CL TMRIL
GND BIAS
22.1k
F
4000 F27
SiA923EDJ
25mΩ
100nF
IIMON
10nF
IBMON
10nF
10k
F
24.9k
1.5k13.6k
3.01k
BAS516
BAS516
MMBTA42
PDZ6.8B
6.8V
PDS1040
47nF
100k 150k
V
OUT
V
OUT
V
CC
0.04Ω
GATE
FDC2512
ISENSE
RUN
SSFLT
ITH
OCFBGNDSYNC
V
CC
V
IN
18V TO 72V
LTC3805-5
FS
150pF
68Ω
100µF
×3
0.1µF
75k
ISO1
PS2801-1-K
15.8k
221k
221k
F
681Ω
V
CC
2.2µF
×2
20mΩ
BAS516
10nF
TR1
PA1277NL
10M

LTC4000IGN#PBF

Mfr. #:
Manufacturer:
Analog Devices / Linear Technology
Description:
Battery Management High Voltage, High Current Controller for Battery Charging and Power Management
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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