ISL6292D Datasheet, PDF (6/13 Pages) Intersil Corporation – Li-ion/Li Polymer Battery Charger

Flow Chart
ISL6292D
STOP
Charger: OFF
LED: OFF
Anytime
V_BAT>V_IN, or
V_TEMP>2.1V, or
V_IN< V_POR,
or EN = LOW
TEMP fault
removed
TEMP FAULT
Charger: OFF
LED: Blinking
(STAT1: Slow Speed
STAT2: Fast Speed)
TEMP fault
TEMP fault
V_BAT<V_IN and
V_TEMP<2.1V and
V_IN> V_POR
and EN = HIGH
TRICKLE
CHARGE
Charger: ON
LED: ON
V_BAT < 2.8V when 1/8
TIMEOUT completes
TIMEOUT FAULT
Charger: OFF and latched
LED: Blinking
V_BAT > 2.8V before 1/8
TIMEOUT completes
(Fast Speed for both STAT1
and STAT2)
TEMP FAULT
Charger: OFF
LED: Blinking
(STAT1: Slow Speed
STAT2: Fast Speed)
FAST CHARGE
Charger: ON
LED: ON
TIMEOUT
completes
TEMP fault
removed
V_BAT > 4.0V and I_CHG < I_MIN
TEMP fault
CHARGE COMPLETION
Charger: OFF
LED: OFF
V_BAT < 4.0V
6