Datasheet

8
LTC1479
BLOCK DIAGRAM
W
DCDIV
GA GBSAB V
SENSE
+ V
SENSE
–
BAT2
INRUSH
SENSE
BAT1
INRUSH
SENSE
DCIN
INRUSH
SENSE
GC GDSCD GE GFSEF
BAT1 BAT2 DCIN
V
+
SW
V
CC
V
GG
BAT1 BAT2 DCIN
BDIV
BAT2
BAT1
V
BAT
CHGMONBATSEL CHGSEL
SW G
GATE
DRIVER
SG GG
SW H
GATE
DRIVER
SH GH
V
CCP
DCINGOOD
LOBAT
GND
DCIN
3DM
DCIN/BAT
2µA
V
CCP
BATDIS
2µA
V
CCP
V
CCP
2µA
V
CCP
2µA
V
CCP
1479 BD
DCIN
MONITOR
SW A/B
GATE
DRIVERS
SW C/D
GATE
DRIVERS
SW E/F
GATE
DRIVERS
V
CC

REGULATOR
& BIAS
GENERATOR

V
GG

SWITCHING
REGULATOR
BATTERY
MONITOR
SWITCH
CONTROL
LOGIC
V
BKUP