Datasheet

bq24050
bq24052
bq24055
www.ti.com SLUS940B –SEPTEMBER 2009–REVISED JUNE 2012
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
D+/D– DETECTION – bq24050/2/5
DetectionTime from start of D+/D- t=0 at D– pulled-up > 0.5V or D+ pulled up
t
DPDM
65 ms
detection to latched output externally, >0.8V
V
D+
Bias at D+, during detection routine Can source at least 200μA 0.475 0.6 0.7 V
Current Limit at D+ pin, during
I
D+
V
D+
= 0V 1.5 mA
detection routine
Current Sink at D- pin, during
I
D–
V
D-
= 0.5V 50 100 150 μA
detection routine
D+ leakage when not in detection
I
D+_LEAK
V
D+
= 5V 1 μA
mode
D– leakage when not in detection
I
D–_LEAK
V
D-
= 5V 1 μA
mode
V
DPDM_0.4V
D– Comparator Threshold Rising 0.35 0.45 V
V
DPDM_HYS_0.4
D– Comparator Hysteresis 42 mV
V
V
DPDM_0.8V
D+/D– Comparator Threshold Rising 0.75 0.875 V
V
DPDM_HYS_0.8
D+/D– Comparator Hysteresis 42 mV
V
LOGIC LEVELS ON CHG AND PG
V
OL
Output LOW voltage I
SINK
= 5mA 0.4 V
I
lkg
Leakage current into IC V
CHG
= 5V, V
PG
= 5V 1 μA
Copyright © 2009–2012, Texas Instruments Incorporated 7