Datasheet

10
LTC4011
4011fa
BLOCK DIAGRA
W
7
8
13
14
CHARGER
STATE
CONTROL
LOGIC
THERMISTOR
INTERFACE
A/D
CONVERTER
BATTERY
DETECTOR
VOLTAGE
REGULATOR
UVLO AND
SHUTDOWN
PWM
FET DIODE
CHARGE
TIMER
VOLTAGE
REFERENCE
INTERNAL
VOLTAGE
REGULATOR
V
TEMP
6
V
RT
4
CHEM
3
CHRG
2
FAULT
1
12
11
15
16
17
DCIN
5
GND
V
CELL
10
TIMER
9
V
CDIV
TOC
INTV
DD
4011 BD
SENSE
BAT
PGND
19
READY
INFET
V
CC
BGATE
TGATE
20
18
OPERATIO
U
Figure 1. LTC4011 State Diagram