BQ24160 Datasheet, PDF (14/44 Pages) Texas Instruments – 2.5A, Dual-Input, Single Cell Switchmode Li-Ion Battery Charger with Power Path

bq24160, bq24161
bq24163, bq24168
SLUSAO0A – NOVEMBER 2011 – REVISED MARCH 2012
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TYPICAL CHARACTERISTICS (continued)
SYSREG and MINSYS Regulation vs. Temperature
3.9
3.85
SYSREG Regulation
MINSYS Regulation
3.8
3.75
3.7
3.65
3.6
3.55
3.5
3.45
3.4
−50
0
Conditions: V_BAT = 3V
50
100
Temperature (°C)
Figure 15.
150
G003
Battery Regulation vs Temperature
4.21
4.208
4.206
4.204
4.202
4.2
4.198
4.196
4.194
4.192
4.19
0
25
50
75
100
Temperature (°C)
125
G004
Conditions: V_BATREG = 4.2V, No load, Termination Disabled
Figure 16.
USB Input Current Limit vs. Temperature
700
USB100 Current Limit
600
USB500 Current Limit
6.5V OVP Threshold vs. Temperature
6.7
Falling Edge
6.6
Rising Edge
500
6.5
400
6.4
300
6.3
200
6.2
100
6.1
0
−50
0
50
100
Temperature (°C)
150
G005
6
−50
0
50
100
Temperature (°C)
150
G006
Conditions: USB100 and USB500 current limit, V_USB = 5V, V_BAT =
3.6V
Conditions: USB input and IN input (bq24168)
Figure 17.
Figure 18.
10.5V OVP Threshold vs. Temperature
Charge Current vs. Battery Voltage
10.7
2.1
Falling Edge
10.6
Rising Edge
2.09
2.08
10.5
2.07
10.4
2.06
2.05
10.3
2.04
10.2
2.03
2.02
10.1
2.01
10
−50
0
50
100
Temperature (°C)
Figure 19.
150
G007
2
2
2.5
3
3.5
4
4.5
Battery Voltage (V)
G008
Conditions: I_CHARGE = 2A, V_IN = 5V, V_BATREG = 4.44V
Figure 20.
14
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