Rainbow-electronics MAX1538 Instrukcja Użytkownika Pobierz pdf (Strona 13)

MAX1538

Power-Source Selector for

Dual-Battery Systems

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ACDET

AIRDET

V

DD

GND

ADPIN

LDO

REF

BATSUP

2V

MINVA

BATA

R

4R

0.4V

MINVB

BATB

R

4R

0.4V

BATSEL

RELRN

CHRG

ADPIN

ADPPWR

EXTLD

REVBLK

CHGIN

DISBAT

ADPBLK

CHGA

CHGB

BATA

DISA

BATB

DISB

OUT1

OUT2

OUT0

STATE

MACHINE

R

S

Q

BATTERY B

UNDERVOLTAGE

LATCH

MAX1538

NNN

Q

R

S

Q

BATTERY A

UNDERVOLTAGE

LATCH

Q

Figure 3. Functional Diagram

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 21 22

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