Datasheet

14
bq2954
Recommended DC Operating Conditions (T
A
=T
OPR)
Symbol Parameter Minimum Typical Maximum Unit Notes
V
CC
Supply voltage 4.5 5.0 5.5 V
V
TEMP
TS voltage potential 0 - V
CC
VV
TS
-V
SNS
V
BAT
BAT voltage potential 0 - V
CC
V
I
CC
Supply current - 2 4 mA Outputs unloaded
I
IZ
DSEL tri-state open detection -2 - 2
µ
A Note
I
TERM
tri-state open detection -2 2
µ
A
V
IH
Logic input high V
CC
- 0.3 - - V DSEL, I
TERM
V
IL
Logic input low - - V
SS
+ 0.3 V DSEL, CSEL, I
TERM
V
OH
LED
1
, LED
2
, BTST, output high V
CC
- 0.8 - - V I
OH
10mA
MOD output high V
CC
- 0.8 - - V I
OH
10mA
V
OL
LED
1
, LED
2
, BTST, output low - - V
SS
+0.8 V I
OL
10mA
MOD output low - - V
SS
+ 0.8 V I
OL
10mA
CHG output low - - V
SS
+ 0.8 V I
OL
5mA, Note 3
LCOM output low - - V
SS
+ 0.5 V I
OL
30mA
I
OH
LED
1
, LED
2
, BTST, source -10 - - mA V
OH
=V
CC
- 0.5V
MOD source -5.0 - - mA V
OH
=V
CC
- 0.5V
I
OL
LED
1
, LED
2
, BTST, sink 10 - - mA V
OL
=V
SS
+ 0.5V
MOD sink 5 - - mA V
OL
=V
SS
+ 0.8V
CHG sink 5 - - mA V
OL
=V
SS
+ 0.8V, Note 3
LCOM sink 30 - - mA V
OL
=V
SS
+ 0.5V
I
IL
DSEL logic input low source - - +30
µ
AV=V
SS
to V
SS
+ 0.3V, Note 2
I
TERM
logic input low source - - +70
µ
AV =V
SS
to V
SS
+ 0.3V
I
IH
DSEL logic input high source -30 - -
µ
AV =V
CC
- 0.3V to V
CC
I
TERM
logic input high source -70 - -
µ
AV =V
CC
- 0.3V to V
CC
Notes: 1. All voltages relative to V
SS
.
2. Conditions during initialization after V
CC
applied.
3. SNS = 0V.