MAX1666A(2003) Ver la hoja de datos (PDF) - Maxim Integrated

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MAX1666A
(Rev.:2003)

Advanced Lithium-Ion Battery-Pack Protector

Maxim Integrated 

Advanced Lithium-Ion

Battery-Pack Protector

CGO

SRC

DSI

SRC

CGI

B4P

B3P

B2P

BIP

GND

OVA

UVA

MMA

REF

PKN

SRC

D

"1"

Q

RB

CK

N

D

"1"

Q

RB

CK

OV_FAULT

CM_FAULT

UV_FAULT

CQI_FAULT

N

UV_FAULT

CM_FAULT

DQY_FAULT

30µA

MAX1666

CELL

VOLTAGE

SELECTOR

CMP_P

50kHz

OSC

OSC

STATE

MACHINE

GND

LATCH_WRN

LATCH_OV

LATCH_UV

THRESHOLD

VOLTAGE

SELECTOR

CMP_N

1.221V

CMP

LATCH_CM

REG

EARLY

WARNING

REG

OVER-

VOLTAGE

REG

UNDER-

VOLTAGE

REG

CELL

MISMATCH

GND

200mV

300mV

GND

1V

B4P

CQI_HI

DQI_HI

550ms

TIMER

SET/RESET

CHARGE

UV_FAULT

CQI_FAULT

DQI_FAULT

OV_FAULT

WARNING

UV_FAULT

B4P

SHUTDOWN

3.3V

LINEAR

REG.

BIAS

WARNING

OV-FAULT

UV-FAULT

CM-FAULT

N

N

CGI

OV_FAULT

CM_FAULT

CM_FAULT

UV_FAULT

N

30µA

GND

DSO

N

N

30µA

GND

PKF

WRN

VCC

TKO

UVO

Figure 1. Functional Diagram

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