MAX8588 Maxim Integrated Products, MAX8588 Datasheet - Page 26

• Manufacturer Part Number: MAX8588
• Description: High-Efficiency Low-IQ PMIC
• Manufacturer: Maxim Integrated Products

High-Efficiency, Low-I
Dynamic Core for PDAs and Smartphones
Figure 6. MAX8588 Typical Applications Circuit
26
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nBATT_FAULT
LOW-BATT
WARNING
TO CPU
V7, VCC_BATT
(ALWAYS ON)
1MΩ
R21
240kΩ
nVCC-FAULT
C26
330pF
R19
TO CPU
nRESET
BATT
TO CPU
TO
BATTERY
BACKUP
TO V1
1MΩ
FROM CPU
R20
Li+
R22
240kΩ
C27
270pF
SYS_EN
TO V1
RESET INPUT
MAIN
BATT
SLEEP
1500pF
1MΩ
R18
0.1µF
C25
1µF
C24
1µF
C19
RUN
C18
R23
240kΩ
C28
330pF
BATT
DBI (3.2V OR ADJ)
LBI (3.6V OR ADJ)
REF
LBO
DBO
ON1
ON2
SLP
V7
RSO
MR
PWM3
POK
CC1
CC2
CC3
BKBT
RAMP
GND
1.25V
SRAD
REF
TO V1
SERIAL
I
2
REG1 OK
C
SCL SDA
POWER-
V1–V6
RESET
65ms
2.3V
OK
10µF
V7
C11
UVLO
BATT
MON
AND
DAC
V3
Q
100kΩ
IN
PMIC with
SLPIN
ON
ON
PWM
ADJ
STEP-DOWN
STEP-DOWN
STEP-DOWN
SLEEP
SLEEP
LDO
LDO
LDO
PWM
REG1
PWM
REG2
PWM
REG3
REG
REG
REG
LDO
LDO
4
5
6
MAX8588
ON
ON6
IN45
PV1
PG1
PV2
PG2
PV3
PG3
ON3
BYP
ON4
ON5
LX1
FB1
LX2
FB2
LX3
FB3
IN6
V5
V6
V1
V2
V4
3.3µH
6.8µH
10µH
L1
L2
L3
C12
4.7µF
C13
4.7µF
C14
4.7µF
C20
0.01µF
TO BATT
TO BATT
TO V2
TO V2
FROM CPU
SYS_EN
1µF
C23
1µF
1µF
C22
C21
C15
22µF
C16
22µF
C17
22µF
FROM CPU
PWR_EN
V4, VCC_PLL
1.3V, 35mA
V5
VCC_SRAM
1.1V, 35mA
V6
VCC_USIM
0V, 1.8V, 3.0V (DEF = 0V)
35mA
V1
VCC_IO
3.3V
1300mA
V2
VCC_MEM
2.5V
900mA
V3
VCC_CORE
0.7V TO 1.475V
500mA
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