Datasheet

bq24090, bq24091
bq24092, bq24093
SLUS968A –JANUARY 2010–REVISED FEBRUARY 2010 www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
Over junction temperature range 0°C ≤ T
J
≤ 125°C and recommended supply voltage (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
High temp charge to pending;
V
TS-60°C
High temperature Disable, bq24092/3 170 178 186 mV
V
TS
: 0.2V → 0.1V
Charge pending to high temp CHG;
V
HYS-60°C
Hysteresis at 60°C, bq24092/3 11.5 mV
V
TS
: 0.1V → 0.2V
Normal to Cold Operation; V
TS
: 0.6V → 1V 50
Deglitch for TS thresholds: 10C,
t
DGL(TS_10C)
ms
bq24092/3
Cold to Normal Operation; V
TS
: 1V → 0.6V 12
t
DGL(TS)
Deglitch for TS thresholds: 0/45/60C. Battery charging 30 ms
V
TS-EN-10k
Charge Enable Threshold, (10k NTC) V
TS
: 0V → 0.175V; 80 88 96 mV
HYS below V
TS-EN-10k
to Disable, (10k
V
TS-DIS_HYS-10k
V
TS
: 0.125V → 0V; 12 mV
NTC)
V
TS-EN-100k
Charge Enable Threshold, bq24090/2 V
TS
: 0V → 0.175V; 140 150 160 mV
V
TS-DIS_HYS-
HYS below V
TS-EN-100k
to Disable,
V
TS
: 0.125V → 0V; 50 mV
100k
bq24091/3
THERMAL REGULATION
T
J(REG)
Temperature regulation limit 125 °C
T
J(OFF)
Thermal shutdown temperature 155 °C
T
J(OFF-HYS)
Thermal shutdown hysteresis 20 °C
LOGIC LEVELS ON ISET2
V
IL
Logic LOW input voltage Sink 8 mA 0.4 V
V
IH
Logic HIGH input voltage Source 8 mA 1.4 V
I
IL
Sink current required for LO V
ISET2
= 0.4V 2 9 mA
I
IH
Source current required for HI V
ISET2
= 1.4V 1.1 8 mA
V
FLT
ISET2 Float Voltage 575 900 1225 mV
LOGIC LEVELS ON CHG AND PG
V
OL
Output LOW voltage I
SINK
= 5 mA 0.4 V
I
LEAK
Leakage current into IC V
CHG
= 5V, V
PG
= 5V 1 mA
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