ISL6292BCR Datasheet, PDF (6/12 Pages) Intersil Corporation – Complete Charger for Single-Cell Li-ion Batteries

Flow Chart
ISL6292B
TEMP fault removed
TEMP FAULT
Charger: OFF
LED: YELLOW
TEMP fault
TEMP fault
Anytime POR
and Enable
occurs
TRICKLE CHARGE
Charger: ON
LED: RED
V_BAT < 2.8V when 1/8 TIMEOUT
completes
TIMEOUT FAULT
Charger: OFF
LED: YELLOW
V_BAT > 2.8V before 1/8 TIMEOUT
completes
FAST CHARGE
Charger: ON
LED: RED
TIMEOUT
completes and
V_BAT < V_RECHRG
V_BAT > V_RECHRG and I_CHG < I_MIN
and
TIMEOUT not completed
TEMP fault
CHARGE COMPLETES BUT NOT
TERMINATES
Charger: ON
LED: GREEN
TEMP FAULT
Charger: OFF
LED: YELLOW
TEMP FAULT
Charger: OFF
LED: YELLOW
TEMP fault
removed
TIMEOUT
completes
CHARGE TERMINATES
Charger: OFF
LED: GREEN
TEMP fault
TEMP fault
removed
V_BAT < V_RECHRG
RECHARGE
Charger: ON
LED: GREEN
TEMP fault
TIMEOUT
completes and
V_BAT > V_RECHRG
CHARGE TERMINATES
Charger: OFF
LED: GREEN
TIMEOUT completes
6
FN9139 .1
April 19, 2005