Datasheet

ManualsBrandsANALOG DEVICES ManualsPMICsPMIC - hot swap controller Multi-purpose QSOP 16 Surface-mount

ADM1275 Data Sheet

Rev. D | Page 20 of 48

FUNCTIONAL BLOCK DIAGRAMS

GATE

SENSE+

TIMER

TIMER

ADM1275-1

GND

SENSE–

VCC

V

C

P

×50

+

–

VCAP

IOUT

UV

OV

1.0V

1.0V

VOUT

VOUT

SCL

SDA

ADR

SENSE+

IOUT

LDO

CHARGE

PUMP

TIMEOUT

GPO2/ALERT2

PWRGD

GPO1/ALERT1/CONV

LATCH

CURRENT

LIMIT

SS

CURRENT

LIMIT

FLB

ISET

TIMEOUT

CURRENT

LIMIT

CONTROL

REF

SELECT

1.0V

GATE

DRIVE/

LOGIC

LOGIC

AND

PMBus

–

+

–

+

–

+

08931-003

12-BIT

ADC

Figure 43. ADM1275-1 Functional Block Diagram

GATE

SENSE+

TIMER

TIMER

ADM1275-2

GND

SENSE–

VCC

V

CP

VCAP

IOUT

UV

1.0V

VOUT

SCL

SDA

ADR

SENSE+

IOUT

LDO

CHARGE

PUMP

TIMEOUT

PWRGD

GPO1/ALERT1/CONV

CURRENT

LIMIT

SS

CURRENT

LIMIT

FLB

ISET

TIMEOUT

CURRENT

LIMIT

CONTROL

REF

SELECT

1.0V

GATE

DRIVE/

LOGIC

LOGIC

AND

PMBus

×50

+

+

–

–

+

–

08931-004

12-BIT

ADC

Figure 44. ADM1275-2 Functional Block Diagram

GATE

SENSE+

TIMER

TIMER

ADM1275-3

GND

SENSE–

VCC

V

CP

VCAP

ENABLE

IOUT

UV

OV

1.0V

1.0V

VOUT

VOUT

12-BIT

ADC

SCL

SDA

ADR

SENSE+

IOUT

LDO

CHARGE

PUMP

TIMEOUT

GPO2/ALERT2

PWRGD

LATCH

CURRENT

LIMIT

SS

CURRENT

LIMIT

FLB

ISET

TIMEOUT

CURRENT

LIMIT

CONTROL

REF

SELECT

1.0V

GATE

DRIVE/

LOGIC

LOGIC

AND

PMBus

×50

+

+

+

+

–

–

–

–

08931-005

Figure 45. ADM1275-3 Functional Block Diagram