TYPICAL APPLICATIONS
VBATT
HVB
VMODE
VBATT
VBATT
VBATT
LVB
Driver
LVB
VMODE
PGOOD1(Int)
VO1_SENSE
VO1_SENSE
VREF
PGOOD1(Int)
CLEAR
V_STDBY
VREF
BANDGAP
REFERENCE
VGATE
VOUT1
LSWO
VO1_SENSE
PGOOD1(Int)
VO1_SENSE
POWER
VO1_SENSE
SWITCH1
PGOOD1(Int)
VO1_SENSE
VGATE
VBATT
VIN1
PGOOD1
RESET
Block 1
PGOOD1_DELAY
REF1
Step-UpDown
DC/DC
VO1_SENSE
SW1
Converter
RESET1_TH
EAIN1
CH1
PGND1
EAOUT1
VGATE
PGOOD1_DELAY
or
PGOOD2_DELAY
VOUT2
POWER
SWITCH2
DMAX1
VO1_SENSE
PGOOD2(Int)
VGATE
VO2_SENSE_IN
VO2_SENSE
VO1_SENSE
PGOOD2(Int)
PGOOD2
HG
RESET
Block 2
LG
REF2
PGOOD2_DELAY
EAOUT2
Step-UpDown
DC/DC
Converter
VBATT
VIN2
EAIN2
CH2
SW2
PGND2
SREGI1
DMAX2
VGATE
SREGO1
REF3
Series Pass
Regulator1
SREGC1
SREGO1
SREG12
SREGO2
VGATE
Series
Pass
Regulator2
SREGC2
SREGC3
SREGO3
REF4
SREGO2
V_STDBY
SREG2G
SREGI3
VGATE
VO1_SENSE
VBATT
WAKE1B
WAKE2B
Series Pass
Regulator3
REF5
WAKE3B
SREGO3
WAKE4B
SEQ_SELECT
DATA
VBATT
EXT_CLOCK
PGOOD1(Int)
PGOOD2
CH_PUMP
VGH
CPoff
STRB
VGATE
VBATT
SEQ_SELECT
CONTROL (Int)
SCKIN
VGATE
VO1_SENSE
VBATT
CLEAR
SLEEP
Control
Logic
Step-Up
DC/DC
Convertor
VG_select
VG_duty
SWGATE
EXT_CLOCK
GND
GNDGATE
VGATE
REF2
REF4
VGATESEL1
VGATESEL2
REF3
REF5
REF1
EXT gate
VGATE_EXT
On
On
Buffer
WATCHDOG
REF DAC
VREF
Figure 13. MPC18730 Typical Application Diagram (Li-Ion Battery)
18730
Analog Integrated Circuit Device Data
Freescale Semiconductor
29
FREESCALE [ Freescale ]
