Rainbow-electronics MAX1874 Manual do Utilizador descarregar pdf (Página 9)

MAX1874

Dual-Input, USB/AC Adapter, 1-Cell

Li+ Charger with OVP and Thermal Regulation

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INPUT POWER-

OK SELECT

OVERVOLTAGE AND

UNDERVOLTAGE

DETECT

LINEAR

REGULATOR

USB/DCLV

DETECT

DCLV_SENSE

USB_SENSE

DCI

USEL

USB

DCLV

BYP

PON

BATT

TEMPERATURE

BATT

THERMISTOR

COMPARATORS

3.00V

REFERENCE

REF

5Ω

0.25Ω

0.4Ω

120kΩ

GND

DCOK

UOK

CHG

MAX1874

Functional Diagram

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

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Rainbow-electronics MAX1874 Manual do Utilizador Página 9