LTC3586-2 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC3586-2' PDF : 36 Pages View PDF
OPERATION
POWER ON
CLEAR EVENT TIMER
ASSERT CHRG LOW
LTC3586-2/LTC3586-3
YES
NTC OUT OF RANGE
NO
BAT < 2.85V
BATTERY STATE
BAT > 4.15V
CHARGE AT
100V/RPROG (C/10 RATE)
2.85V < BAT < 4.15V
CHARGE AT
1022V/RPROG RATE
CHARGE WITH
FIXED VOLTAGE
(4.200V)
RUN EVENT TIMER
PAUSE EVENT TIMER
RUN EVENT TIMER
INHIBIT CHARGER
CHRG CURRENTLY YES
HIGH-Z
NO
INDICATE
NTC FAULT
AT CHRG
NO
TIMER > 30 MINUTES
NO
TIMER > 4 HOURS
YES
INHIBIT CHARGING
YES
STOP CHARGING
NO
IBAT < C/10
INDICATE BATTERY
FAULT AT CHRG
NO
BAT > 2.85V
BAT RISING
YES
THROUGH 4.1V
NO
BAT FALLING
YES
THROUGH 4.1V
RELEASE CHRG
HIGH-Z
NO
BAT < 4.1V
YES
RELEASE CHRG
HIGH-Z
YES
NO
YES
Figure 4. Flow Chart for Battery Charger Operation (LTC3586-2)
358623 F04
358623f
21
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