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BQ25050 Datasheet(PDF) 10 Page - Texas Instruments

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Part # BQ25050
Description  1A, Single-Input, Single Cell Li-Ion Battery Charger with 50-mA LDO, External Power Path
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

BQ25050 Datasheet(HTML) 10 Page - Texas Instruments

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VIN=5V,VBAT =4.18V,VBAT(REG)=4.2V
CTRL
2V/div
VBAT
2V/div
Offset4.1V
VOUT
2V/div
Offset4.1V
BGATE
2V/div
1ms/div
VIN=5Vto29V,VBAT =3.8V
VIN
10V/div
VBAT
2V/div
LDO
2V/div
IBAT
0.5 A/div
50µs/div
VIN=5V,VBAT =1.8Vto3.45V,ICHG=467mA
VBAT
500V/div
IMON
500mV/div
BGATE
2V/div
IBAT
500mA/div
20ms/div
VIN=5V,VBAT =2.4Vto3.6V,ICHG=467mA
VBAT
500V/div
IMON
500mV/div
BGATE
2V/div
IBAT
500mA/div
20ms/div
VIN=5V,VBAT =2.8Vto4.18V,ICHG=467mA
VBAT
500mV/div
IMON
500mV/div
BGATE
2V/div
IBAT
500mA/div
20ms/div
VIN=5Vwithcurrentlimitof600mA,
VBAT =3.2V,ICHG=93mA to935mA
VIN
2V/div
IIN
500mA/div
IMON
500mV/div
BGATE
2V/div
200µs/div
bq25050
SLUSA33 – MARCH 2010
www.ti.com
TYPICAL CHARACTERISTICS (continued)
Using circuit in Figure 1, TA = 25°C, unless otherwise specified
CANCEL BGATE FORCED ON
INPUT OVP
Figure 9.
Figure 10.
PRE-CHARGE MODE TO MINIMUM OUTPUT REGULATION
MINIMUM OUTPUT REGULATION MODE TO CONSTANT
MODE
CURRENT (CC) MODE
Figure 11.
Figure 12.
PRE-CHARGE TO CONSTANT VOLTAGE (CV) MODE
VIN-DPM
Figure 13.
Figure 14.
10
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Copyright © 2010, Texas Instruments Incorporated
Product Folder Link(s): bq25050


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