LTC4061-4.4 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
LTC4061-4.4 Datasheet PDF : 20 Pages
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LTC4061-4.4
PI FU CTIO S
a resistor, RPROG, to ground. When charging in constant
current mode, this pin servos to 1V. The voltage on this
pin can be used to measure the charge current using the
following formula:
IBAT
=
VPROG
RPROG
• 1000
VCC (Pin 10): Positive Input Supply Voltage. Provides
power to the battery charger. This pin should be bypassed
with a 1µF capacitor.
GND (Exposed Pad) (Pin 11): Ground. This pin is the back
of the exposed metal pad package and must be soldered
to the PCB copper for minimal thermal resistance.
BLOCK DIAGRA
NTC
2
4.275V
TO BAT
+
C1
–
NTC
ACPR
4
HOT COLD DIS
ACPR
CHRG
5
6 C/5
3M
EN
7
3M
STOP
RECHRG
C/5
LOGIC
EN IDETECT
SEL
C2
COUNTER
0.1V
OSCILLATOR
TIMER
3
CTIMER
10
VCC
1×
1×
–+
MA
CA
1V
0.2V
0.1V
LOGIC
C/5
C3
TO BAT 2.9V
IDET
8
RDET
PROG
9
RPROG
1000×
BAT 1
VA
–+
1.2V
TDIE
TA
105°C
SHDN
GND
11
40614.4 BD
406144fb
8
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