LTC1732-4 LINER [Linear Technology], LTC1732-4 Datasheet - Page 6

• Manufacturer Part Number: LTC1732-4
• Description: Lithium-Ion Linear Battery Charger Controller
• Manufacturer: LINER [Linear Technology]

LTC1732-4/LTC1732-4.2
BLOCK DIAGRA
6
10
3
4
BATTERY CURRENT I
TIMER
CHRG
ACPR
BAT
35 A
= (2.457V • 800 )/(R
UNDERVOLTAGE
V
LOCKOUT
ACPR
SHDN
UV
C/10
= 4.1V
W
STOP
OSCILLATOR
UVLO
LOGIC
PROG
C3
• R
RECHRG
+
–
SENSE
V
REF
)
C/10
SLP
–
+
C5
A1
COUNTER
+
–
C1
+
–
V
CC
8
6
80
720
R
PROG
PROG
3.8V (LTC1732-4)
4.05V (LTC1732-4.2)
V
CC
2.5 A
LBO
800
–
+
CA
C2
VA
CHARGE
C4
+
–
–
+
–
+
2.457V
V
REF
+
–
GND
54mV
5
SENSE
DRV
BAT
SEL
1732 BD
9
7
1
2
R
SENSE