Datasheet

7
LTC4001
4001f
BLOCK DIAGRA
W
BATTERY
OVERVOLTAGE
COMPARATOR
VOLTAGE
REFERENCE
+
UNDERVOLTAGE
COMPARATOR
FLOAT VOLTAGE
ERROR AMP
RECHARGE
COMPARATOR
LOW-BATTERY
COMPARATOR
SHUTDOWN
COMPARATOR
OVERCURRENT
COMPARATOR
CURRENT
REVERSAL
COMPARATOR
+
+
CHARGE CURRENT
ERROR AMP
PROG
ERROR
AMP
PROG SHORT
COMPARATOR
+
IDET
COMPARATOR
+
1.2V
150mV
GNDSENS
4001 BD
+
+
SOFT-START
COPMPARATOR
+
1.1V
1.2V
LOW CURRENT
V
IN
GOOD
RECHARGE
DISCHARGE SS
PROG SHORTED
SS LOW
OVERVOLTAGE
CHIP OVER TEMP
CHIP
OVERTEMP
COMPARATOR
CONNECT
PWM ON
TRICKLE ON
OVERCURRENT
SHUTDOWN
LOW BATTERY
+
+
+
4
PROGIDET
12
13
GND
17
50mA
BAT
9
V
INSENSE
16
BATSENSSENSE
2
SW
5
+
1
+
+
PGND
DRIVER
PWM
COMPARATOR
OSCILLATOR
Q
S
SS
RD
3
PV
IN
8
11
CLK
RAMP
+
TFAULT
NTC
NTC
COMPARATOR
15
TIMER
TIMER
10
FAULT
LOGIC
FAULT
7
CHRG
CHRG
6
EN
EN
14
SS