Datasheet

LTC4020
38
4020fd
For more information www.linear.com/LTC4020
Typical applicaTions
15V to 55V to 6-cell Li-Ion PowerPath charger/system supply. 6A inductor current limit with 2.5A battery charge current limit.
Instant-on functionality for battery voltages below 20.4V, 24V charge termination voltage, and 26.4V maximum output voltage.
Status pins light LEDs for visible charge-state monitoring.
R
SENSEA
0.008
Si7960DP
Si7960DP
Si7960DP
MBRS360
Si7960DP
R
SENSEB
0.008
4.7µF
×2
V
IN
15V TO 55V
LTC4020
SGND
BACK
PGND
10µF
SBR0560S1
R
T
, 100k
PV
IN
BG1
SW1
TG1
BST1
SGND
100pF
SENSGND
SENSBOT
SENSTOP
SENSVIN
RT
SHDNSHDN
V
IN_REG
MODE
STAT1
STAT2
TIMER
RNG_SS
4020 TA03
INTV
CC
BG2
SW2
TG2
BST2
SGND
VC
ITH
V
FBMAX
I
LIMIT
CSOUT
CSP
CSN
BGATE
BAT
V
FBMIN
FBG
VFB
NTC
56µF
×2
0.1µF
10nF
1µF
56k
XAL1010-153MEB
15µH
SBR0560S1
BZX84C6V2L
680pF
68pF
47k
100Ω
R
CS
0.02Ω
Si7461DP
215k
4.7µF
×4
56µF
×2
V
OUT
24V AT
3.5A MAX
0.033µF
2.7k
2.7k
0.2µF
105k
1µF
100Ω
24.9k
6-CELL Li-ION (24V)
R
NTC
10k
+
24.9k
2.2µF
4.7Ω
215k
1nF
10k
+
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