Rainbow-electronics MAX1508 Manual do Utilizador descarregar pdf (Página 9)

MAX1508

Li+ Linear Battery Charger with Integrated Pass FET,

Thermal Regulation, and

ACOK

in 3mm x 3mm TDFN

_______________________________________________________________________________________ 9

MAX1508

1µF

2.8kΩ

CHG

1µF

4.2V Li+

BATT

GND

SYSTEM

ISET

AC/DC

ADAPTER

VI/O

CHARGE-CURRENT MONITOR

LOW: CHARGE, HIGH: FULL OR OFF

ACOK

0.47µF

Figure 3. µP-Interfaced Li+ Battery Charger

MAX1508

1µF

15.4kΩ

4.3kΩ

CHG

1µF

4.2V Li+

BATT

GND

SYSTEM

ACOK

ISET

USB PORT

VBUS

GND

D+

D-

VI/O

HIGH: 435mA, LOW: 95mA

0.47µF

Figure 4. USB Battery Charger

1 2 3 4 5 6 7 8 9 10 11

Thermal Regulation, and 1
Package Information 10
SEMICONDUCTOR 11

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