LTC3350_15 Datasheet, PDF (43/46 Pages) Linear Technology – High Current Supercapacitor Backup Controller and System Monitor

LTC3350
Typical Applications
Application Circuit 7. 4.8V to 12V, 10A Supercapacitor Charger with 6.4A Input Current Limit and 5V, 30W Backup Mode
PFO
CAPGD
SMBALERT
SCL
SDA
V_IN
4.8V TO 12V
V_DD
R1 R2 R3
10k 10k 1k
MN1
SiS452DN
R_SNSI
0.005Ω
C2
50µs FALLING
C1
1µF
EDGE FILTER
0.1µF
R_PF1
30.1k
R_PF2
10k
1M
MN4
Si1062X
10pF
V_IN INFET VOUTM5 VOUTSP VOUTSN OUTFET
PFI
OUTFB
DRV_CC
INTV_CC
PFO
CAPGD
SMBALERT
SCL
SDA
BST
TGATE
SW
VCC2P5
R4
100k
C5
1µF
CAP_SLCT0
CAP_SLCT1
GPI
VC
T
R_T1 R_C
100k 2k
RT
ITST
C_C
R5 R6
4.7nF 88.7k 121Ω
SGND
PGND
LTC3350
BGATE
ICAP
VCAP
CFP
CFN
VCAPP5
CAP4
CAP3
CAP2
CAP1
CAPRTN
CAPFB
V_OUT
5V
30W IN BACKUP
D_B
B0540WS
C_B
0.1µF
C_FBO1
100pF
C4
0.1µF
R_FBO1
665k
R_FBO2
210k
C3
10µF
MN2
SiS452DN
MN3
SiS452DN
C_OUT2
100µF
×6
C_OUT1
2.2µF
×2
L1
1µH
R_SNSC
0.003Ω
C_CAP
47µF
C_F
0.1µF
C_CP5
0.1µF
R_CAP2 2.7Ω
R_CAP1 2.7Ω
R_CAPRTN 2.7Ω
+
CAP2 50F
+
CAP1 50F
R_FBC1
732k
R_FBC2
274k
CAP1-2: NESSCAP ESHSR-0050C0-002R7 ^{3350 TA08}
L1: COILCRAFT XAL7030-102ME
For more information www.linear.com/LTC3350
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