Rainbow-electronics MAX1538 Manual do Utilizador descarregar pdf (Página 12)

MAX1538

Power-Source Selector for

Dual-Battery Systems

12 ______________________________________________________________________________________

MAX1538

REVBLK

DISA

DISB

BATB

CHGB

CHGA

CHGIN

ADPIN

DISBAT

BATTERY A

BATTERY B

AIRDET

ACDET

OUT

MINVA

MINVB

GND

CHRG

BATSEL

RELRN

OUT2

OUT1

OUT0

BATA BATSUP

ADAPTER

ADPPWR

R1 R2 + R3

P6P7

STEP-UP CHARGER

SYS

FOR RELEARN

MODE ONLY

BATB

BATA

R10

R11

R12

R13

1µF

LOGIC SUPPLY

CHARGER OUTPUT

ADAPTER

0.1µF

CHARGER INPUT

CHG

EXTLD

ADPBLK

EXTERNAL AC/AIR-

DETECTION CIRCUIT

OUT

SYSTEM LOAD

Figure 2. Typical Application Circuit for Step-Up/Step-Down Charger

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 21 22

Power-Source Selector for 1
Dual-Battery Systems 1
Package Information 22

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