LTC1479IG データシートの表示（PDF） - Linear Technology

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LTC1479IG

PowerPath Controller for Dual Battery Systems

Linear Technology 

WU

W

TI I G DIAGRA S

DC and Battery Operation Timing

MODE 1

DC OPERATION

BAT1 DISCONNECTED

25V

DCIN

0V

25V

OUTPUT

0V

DCINGOOD

DCIN/BAT

BATDIS

BATSEL

CHGSEL

MODE 2

DC OPERATION

BAT1 CHARGING

MODE 3

DC OPERATION

BAT2 DISCONNECTED

NOTE: FOR MODES 1 TO 6, 3DM = H, BAT1 = 16V, BAT2 = 12V

MODE 4

DC OPERATION

BAT2 CHARGING

LTC1479

MODE 5

BAT1 OPERATION

MODE 6

BAT2 OPERATION

(16V)

(12V)

1479 TD01

Backup and DC Restoration Timing

25V

DCIN

0V

25V

OUTPUT

0V

LOBAT

MODE 7

BAT1 LOW &

DISCONNECTED

MODE 8

BACKUP

OPERATION

BAT1

DISCHARGING

(VBKUP = 6V)

BATDIS

DCIN/BAT

3DM

MODE 9

NO POWER

(NO BACKUP)

MODE 10

DC RESTORED

(THREE DIODE MODE)

(24.3V)

(0V)

NOTE: FOR MODES 7 TO 12, BATSEL = H, BAT1 = 16V AND DISCHARGING, BAT2 = 0V

MODE 11

DC RECONNECTED

(SW A/B ON)

(25V)

MODE 12

THREE DIODE MODE

(24.3V)

1479 TD02

9

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