BQ24187 Datasheet, PDF (8/44 Pages) Texas Instruments – 1A USB-OTG Support

bq24187
SLUSBM0 – APRIL 2014
Not Recommended for New Designs
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Electrical Characteristics (continued)
Circuit of Figure 6, V_UVLO < V_IN < V_OVP and V_IN > V_BAT+V_SLP, T_J = –40°C–125°C and T_J=25°C for typical values (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
BATTERY-PACK NTC MONITOR
V_HOT
V_WARM
High temperature threshold
Warm temperature threshold
V_COOL
Cool temperature threshold
V_COLD
TSOFF
Low temperature threshold
TS Disable threshold
I²C COMPATIBLE INTERFACE
V_TS falling, 2% V_DRV Hysteresis
V_TS falling, 2% V_DRV Hysteresis
V_TS rising, 2% V_DRV Hysteresis
V_TS rising, 2% V_DRV Hysteresis
V_TS rising, 4% V_DRV Hysteresis
V_IH
Input low threshold level
V_IL
Input low threshold level
V_OL
Output low threshold level
I_BIAS
High-Level leakage current
OTG BOOST SUPPLY
V_PULL-UP=1.8V, SDA and SCL
V_PULL-UP=1.8V, SDA and SCL
I_L=5mA, sink current
V_PULL-UP=1.8V, SDA and SCL
I_{QBAT_ BOOST}
Quiescent current during boost
mode (BAT TERMINAL)
2.7V<V_BAT<4.5V, no switching
Boost voltage range for specified
boost operation
V_{IN_BOOST}
Boost output voltage (to terminal
VBUS)
2.7V<V_BAT<4.5V over line and load
I_BO
Maximum output current for
boost
2.7V<V_BAT<4.5V
BOOST_ILIM=1
BOOST_ILIM=0
I_BLIMIT
Cycle by cycle current limit for
boost (measured at lowside FET)
2.7V<V_BAT<4.5V
BOOST_ILIM=1
BOOST_ILIM=0
V_BOOSTOVP
Over voltage protection threshold
for boost (IN terminal)
Signals fault and exits boost mode
V_BURST(ENT)
Upper V_IN voltage threshold to
enter burst mode (stop switching)
V_BURST(EXIT)
Lower V_BUS voltage threshold to
exit burst mode (start switching)
MIN
27.3
36.0
54.7
58.2
80
1.3
3.3
4.95
1000
500
5.8
5.1
4.9
TYP
30
38.3
56.4
60
5.05
4
2
6
5.2
5
MAX UNIT
32.6
41.2
58.1
61.8
85
%V_DRV
%V_DRV
%V_DRV
%V_DRV
%V_DRV
V
0.4
V
0.4
V
1
μA
100
µA
4.5
V
5.2
V
mA
A
6.2
V
5.3
V
5.1
V
8
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