Rainbow-electronics MAX1870A Manuale Utente Scaricare il pdf (Pagina 14)

MAX1870A

Step-Up/Step-Down

Li+ Battery Charger

14 ______________________________________________________________________________________

MAX1870A

234

VHP

VHN

CSSP

CSSN

DHI

DBST

CSIP

CSIN

BATT

DLOV

LDO

BLKP

CSSS

DCIN

REF

CLS

CCV

CCI

CCS

REFIN

ASNS

VCTL

ICTL

CELLS

IINP

PGND

ADAPTER

VDD

HOST

DIGITAL INPUT

D/A OUTPUT

HI-IMPEDANCE

OUTPUT

LOGIC OUTPUT

A/D INPUT

GND

SYSTEM LOAD

10kΩ

0.01µF

22µF

44µF

1µF

RS2

30mΩ

10µH

C11

1µF

C12

1µF

RS1b

30mΩ

GND

RS1a

30mΩ

33Ω

1µF

OPTIONAL REVERSE-

ADAPTER PROTECTION

2.2µF

10kΩ

0.01µF

SHDN

Figure 1. µC-Controlled Typical Application Circuit

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 31 32

MAX1870A 1
Step-Up/Step-Down 1
Li+ Battery Charger 1
Package Information 31

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