LTC4060_15 Datasheet, PDF (7/20 Pages) Linear Technology – Standalone Linear NiMH/NiCd Fast Battery Charger

LTC4060
BLOCK DIAGRA
R_PROG
VOLTAGE
REFERENCE
I
I/5
I_OSC
CURRENT
DIVIDER
14
V_CC
R1
31.5Ω
–+
R2
0.03Ω
UVLO
1.5V
PROG
7
+
A1
–
A2
V_CC
COLD
SUPPLY GOOD
NTC
11
THERMISTOR
HOT
INTERFACE
OUTPUT DRIVER
AND
CURRENT LIMIT
CUTOFF
I I/5
IC
OVERTEMPERATURE
DETECT
SEL0
SEL1
SENSE
3
DRIVE
1
BAT
2
+
CHRG
15
ACP
13
SHDN
5
PAUSE
6
CHARGER STATE
CONTROL LOGIC
I_OSC
A/D
CONVERTER
BATTERY
DETECTOR
I_BRD
OSCILLATOR
GND
16, 17 CHEM SEL1
12
10
SEL0
9
TIMER
4
AUTORECHARGE
DETECTOR
ARCT
8
C_TIMER
4060 BD
4060f
7