MAX8588 Maxim Integrated Products, MAX8588 Datasheet - Page 17

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

Figure 1. MAX8588 Functional Diagram
Dynamic Core for PDAs and Smartphones
OPEN-DRAIN DEAD-BATT OUT
OPEN-DRAIN LOW-BATT OUT
(1ST SUPPLY, ALWAYS ON)
______________________________________________________________________________________
BATTERY
BACKUP
FROM CPU
TO nBATT_FAULT
SYS_EN
MAIN
BATT
V7, VCC_BATT
Li+
RESET INPUT
nVCC_FAULT
FORCE REG3
SLEEP
TO PWM
TO CPU
TO CPU
nRESET
RUN
BATT
V7
RSO
MR
PWM3
POK
CC1
CC2
CC3
DBI (3.15V OR ADJ)
LBI (3.6V OR ADJ)
REF
LBO
DBO
ON1
ON2
SLP
RAMP
GND
BKBT
High-Efficiency, Low-I
1.25V
SRAD
REF
SERIAL
I
TO V1
2
C
SCL SDA
REG1 OK
POWER-
V1–V6
2.425V
RESET
65ms
OK
V7
DAC
V3
UVLO
BATT
MON
AND
100kΩ
IN
SLPIN
ON
ON
PWM
ADJ
STEP-DOWN
STEP-DOWN
STEP-DOWN
SLEEP
SLEEP
LDO
REG
LDO
REG
LDO
REG
PWM
REG1
PWM
REG2
PWM
REG3
LDO
LDO
MAX8588
4
5
6
ON
IN45
ON6
PV1
PV2
PV3
ON3
ON4
ON5
PG1
PG2
PG3
BYP
LX1
FB1
LX2
FB2
LX3
FB3
IN6
V5
V6
V1
V2
V4
TO BATT
TO BATT
TO V2
TO V2
FROM CPU
SYS_EN
Q
V1, VCC_IO
3.3V WITH FB1 = GND,
OR ADJ WITH RESISTORS
V2, VCC_MEM
2.5V WITH FB2 = GND,
3.3V WITH FB2 = IN
OR ADJ WITH RESISTORS
V3, VCC_CORE
0.7V TO 1.475V
500mA
FROM CPU
PWR_EN
V4, VCC_PLL
1.3V, 35mA
V5, VCC_SRAM
1.1V, 35mA
VCC_USIM
0V, 1.8V, 3.0V (DEF = 0V)
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