BQ24050 Datasheet, PDF (7/37 Pages) Texas Instruments – 800mA Single Cell Li-Ion Battery Charger With Automatic Adaptor/USB Detection

bq24050
bq24052
bq24055
www.ti.com.................................................................................................................................... SLUS940A – SEPTEMBER 2009 – REVISED SEPTEMBER 2009
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
D+/D– DETECTION – bq24050/2/5
t_DPDM
DetectionTime from start of D+/D-
detection to latched output
t=0 at D– pulled-up > 0.5V or D+ pulled up
externally, >0.8V
65
V_D+
Bias at D+, during detection routine Can source at least 200μA
I_D+
Current Limit at D+ pin, during
detection routine
V_D+ = 0V
0.475
0.6
0.7
1.5
I_D–
Current Sink at D- pin, during
detection routine
V_D- = 0.5V
50
100
150
I_{D+_LEAK}
D+ leakage when not in detection
mode
V_D+ = 5V
1
I_{D–_LEAK}
D– leakage when not in detection
mode
V_D- = 5V
1
V_{DPDM_0.4V}
D– Comparator Threshold Rising
V_{DPDM_HYS_0.4 D– Comparator Hysteresis}
V
V_{DPDM_0.8V}
D+/D– Comparator Threshold Rising
V_{DPDM_HYS_0.8 D+/D– Comparator Hysteresis}
V
LOGIC LEVELS ON CHG AND PG
0.35
0.45
42
0.75
0.875
42
V_OL
Output LOW voltage
I_SINK = 5mA
0.4
I_lkg
Leakage current into IC
V _CHG = 5V, V _PG = 5V
1
UNIT
ms
V
mA
μA
μA
μA
V
mV
V
mV
V
μA
Copyright © 2009, Texas Instruments Incorporated
Submit Documentation Feedback
7
Product Folder Link(s): bq24050 bq24052 bq24055