BQ25040 Datasheet, PDF (10/25 Pages) Texas Instruments – 1.1A, Single-Input, Single Cell Li-Ion Battery Charger With 50mA LDO and 2.3A Production Test Support

bq25040
SLUS910B – MARCH 2009 – REVISED MARCH 2009 ...................................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS (continued)
USB500 Mode, Circuit of Figure 2, T_A = 25°C
Output Regulation Voltage
vs
Temperature
IC in PTM or CV Regulation
4.35
I_LOAD = 1 A
4.3
4.25
4.2
4.15
4.1
4.05
0
7.4
7.3
7.2
7.1
7
6.9
6.8
6.7
6.6
6.5
6.4
0
25
50
75
100
125
T_A - Free-Air Temperature - °C
Figure 15.
Overvoltage Protection Threshold
vs
Temperature
V_I Rising
V_I Falling
25
50
75
100
125
T_A - Free-Air Temperature - °C
Figure 17.
4.21
4.208
4.206
Output Regulation Voltage
vs
Input Voltage
IC in PTM or CV Regulation
I_LOAD = 1 A
4.204
4.202
4.2
4.198
4.196
4.194
4.192
4.19
4.5
5
5.5
6
6.5
7
V_I - Input Voltage - V
Figure 16.
Fastcharge Current
vs
Input voltage (USB100, USB500, ISET)
800
700
ISET
600
500
400
300
200
100
0
4.2
V_IN - DPM
USB500
USB100
4.7
5.2
5.7
6.2
6.7
V_IN - input Voltage - V
Figure 18.
10
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