MAX14720 Datasheet, PDF (36/38 Pages) Maxim Integrated Products – Extended System Battery Use Time

MAX14720/MAX14750
Power-Management Solution
Typical Application Circuits (continued)
VSYS
+2.7V 1µF
TO +5V
1µF
+1.8V
1µF
HVIN
BIN
LIN
SWIN
1µF
VBUS
VSYS
SWEN
HVEN
BEN
LEN
HVILX
4.7µH
HVOLX
BUCK -BOOST
BUCK
LDO
MAX14750
SWITCH
CONTROL
GND
HVOUT
BLX ^2.2µH
BOUT
+3.3V
10µF
+1.8V
10µF
V_DDB
V_DD18
LOUT
SWOUT
+1.2V
1µF
SW1.8V
V_DD12
1.8V
VRTC
1µF
VSYS
MAX32620
0.1µF
V_CC
MON
ADC
SCL
SCL
SDA
SDA
CAP
0.1µF
SWEN
Figure 13. Companion Li+ Rechargeable
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