
PMIC with Integrated Charger and
Smart Power Selector for Handheld Devices
DC
DOK
DISET
PEN1
PEN2
USUS
UOK
USB
SMART
POWER
SELECTOR
HIGHEST
VOLTAGE
SELECTOR
VL
AGND
PV4
OUT4
FB4
BP
PV5
OUT5
FB5
EN
PWM
IN
OUT 3.3V
LDO
REG4
LDO
REF
REG5
LDO
SYS
Li+/Li-Poly BATTERY
CHARGER AND
SYSTEM LOAD
SWITCH
BAT
BVSET
CST2
CST1
THM
CEN
CT
CISET
SMART POWER
SELECTOR AND
CHARGER BIAS
MAX8671X
PV1
LX1
REG1
DC-DC
PG1
FB1
PV2
LX2
REG2
DC-DC
PG2
FB2
PV3
LX3
REG3
DC-DC
PG3
FB3
Figure 2. Functional Diagram
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