BQ2054 Datasheet, PDF (11/16 Pages) Texas Instruments – Lithium Ion Fast-Charge IC

bq2054
DC Thresholds (TA = TOPR; VCC = 5V ±10%)
Symbol
Parameter
VREF
Internal reference voltage
Temperature coefficient
VLTF
VHTF
VTCO
VHCO
VMIN
VLCO
TS maximum threshold
TS hysteresis threshold
TS minimum threshold
High cutoff voltage
Under-voltage threshold at BAT
Low cutoff voltage
VSNS
Current sense at SNS
Rating
2.05
-0.5
0.6 _* VCC
0.44 _* VCC
0.4 _* VCC
2.3V
0.2 * VCC
0.8
0.250
0.050
Unit Tolerance
Notes
V
mV/°C
1%
10%
TA = 25°C
V
± 0.03V Low-temperature fault
V
± 0.03V High-temperature fault
V
± 0.03V Temperature cutoff
V
1%
V
± 0.03V
V
± 0.03V
V
10%
IMAX
V
10%
ICOND
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