Datasheet

6
bq2004E/H
Mode 1
bq2004E Charge Action State LED
1
LED
2
DSEL = V
SS
Battery absent Low Low
Fast charge pending or a discharge-before-charge in progress High High
Fast charging Low High
Fast charge complete, top-off, and/or trickle High Low
Mode 1
bq2004H Charge Action State LED
1
LED
2
DSEL = V
SS
Battery absent Low Low
Discharge-before-charge in progress High High
Fast charge pending Low
1
8
second high
1
8
second low
Fast charging Low High
Fast charge complete, top-off, and/or trickle High Low
Mode 2
bq2004E Charge Action State (See note) LED
1
LED
2
DSEL = Floating
Battery absent Low Low
Fast charge pending or discharge-before-charge in progress High High
Fast charging Low High
Fast charge complete, top-off, and/or trickle High Low
Mode 2
bq2004H Charge Action State (See note) LED
1
LED
2
DSEL = Floating
Battery absent Low Low
Discharge-before-charge in progress High High
Fast charge pending Low
1
8
second high
1
8
second low
Fast charging Low High
Fast charge complete, top-off, and/or trickle High Low
Mode 3
bq2004E/H Charge Action State LED
1
LED
2
DSEL = V
CC
Battery absent Low Low
Fast charge pending or discharge-before-charge in progress Low
1
8
second high
1
8
second low
Fast charging Low High
Fast charge complete, top-off, and/or trickle High Low
Note: Pulse trickle is inhibited in Mode 2.
Table 2. bq2004E/H LED Output Summary