Datasheet

9
LTC1759
BLOCK DIAGRA
W
Figure 2
+
+
–
+
+
7
UV
4
SYNC
6
AGND
27
V
C
V
DD
10µA
9
CLP
10
CLN
11
COMP1
12
CHGEN
19
THERM
20
RNR
15
SCL
14
SDA
18
DGND
13
13
INTB
V
REF
1k
V
REF
20k
290k
812.5k
8
INFET
7.8V
34
GBIAS
35 BGATE
36
33
PGND
BOOSTC
30
SPIN
29
SENSE
28
PROG
75k
21
DCDIV
22
DCIN
23
BAT2
V
SET
BAT1
BAT1
1.3V
92mV
V
CC
V
CC
32
31
SDB
+
6.7V
6.7V
1V
8.9V
65k
612k
72k
ONE
SHOT
200kHz
OSC
PWM
LOGIC
SLOPE COMP
C1
+
CL1
+
AC_PRESENT
PWR_FAIL
+
B1
+
CA2
+
VA
S
R
Q
1
BOOST
2
TGATE
3
SW
+
CA1
+
0.2V
+
26
I
LIMIT
24
V
LIMIT
25
I
SET
17
V
DD
1759 F02
16
10-BIT
VOLTAGE
DAC
LIMIT
DECODER
CHARGER
CONTROLLER
THERMISTOR
DECODER
SMBus
CONTROLLER
10-BIT
CURRENT
DAC
5
–
–
–
–
–
–
–
SHDN
–
–
–
–