LTC1759 Linear Technology, LTC1759 Datasheet - Page 9

• Manufacturer Part Number: LTC1759
• Description: Smart Battery Charger
• Manufacturer: Linear Technology

BLOCK DIAGRA
COMP1
THERM
CHGEN
AGND
DGND
SYNC
BAT1
INTB
RNR
SDB
SDA
CLN
V
CLP
SCL
UV
CC
V
C
31
32
27
10
11
13
12
19
20
15
14
18
7
5
4
6
9
92mV
+
0.2V
W
1.3V
+
+
–
–
+
–
CL1
SHOT
ONE
C1
V
+
–
DD
THERMISTOR
CONTROLLER
10 A
SLOPE COMP
DECODER
AC_PRESENT
SMBus
200kHz
6.7V
+
OSC
–
75k
CONTROLLER
CHARGER
13
S
R
CA2
6.7V
–
–
PWR_FAIL
+
+
Q
Figure 2
+
–
B1
–
+
V
REF
1V
SHDN
LOGIC
PWM
1k
–
+
DECODER
CURRENT
VOLTAGE
10-BIT
10-BIT
LIMIT
DAC
DAC
V
20k
65k
CC
8.9V
812.5k
CA1
VA
290k
8V
–
+
–
+
V
REF
BAT1
612k
72k
16
34 GBIAS
35 BGATE
36
33
30 SPIN
29 SENSE
28 PROG
21 DCDIV
22 DCIN
23 BAT2
26
24
25
17
8 INFET
1 BOOST
2 TGATE
3 SW
1759 F02
PGND
BOOSTC
V
I
V
I
V
LIMIT
SET
SET
LIMIT
DD
LTC1759
9