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BQ24155 Datasheet(PDF) 7 Page - Texas Instruments

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Part # BQ24155
Description  Fully Integrated Switch-Mode One-Cell Li-Ion Charger with Full USB Compliance
PDF  30 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

BQ24155 Datasheet(HTML) 7 Page - Texas Instruments

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PACK -
VSYS
Host-
Controlled
Switch
PACK +
SCL
SDA
CSOUT
CSIN
PGND
SW
I2CBUS
VAUX
HOST
SCL
SDA
STAT
VREF
STAT
PMID
VBUS
CIN
VBUS
CIN
1 F
m
BOOT
ISEL
U1
AUXPWR
C VREF
CO
CBOOT
RSNS
CCSIN
1 F
m
CAUXPWR
CCSOUT
ISEL
10nF
68mW
VOUT
4.7 F
m
10kW
10kW
10kW 10kW
10kW
LO1.0 H
m
0.1 F
m
10 F
m
0.1 F
m
1 F
m
bq24155
Host
Charge
Controller
Q
SGND
VBUS
2V/div
I
0.5 A/div
BAT
500
S/div
m
Vbus=0–5V,Vbat=3.5VChargemode
VSW
5V/div
VBAT
2V/div
VSW
5V/div
I
0.5 A/div
BAT
1S/div
Vbus=5V,Iin_limit=500mA,
32SMode
VSW
2V/div
IL
0.5 A/div
Vbus=5V Vbat=2.6V,Voreg=4.2V,Ichg=1250mA
,
100nS/div
VBUS
2V/div
VSW
5V/div
I
0.1 A/div
BUS
2mS/div
Vbus=5V@10mA,Iin_limit=100mA,
Vbat=3.2V,Ichg=550mA
bq24155
www.ti.com
SLUS942 – FEBRUARY 2010
TYPICAL APPLICATION CIRCUITS (continued)
Figure 2. I2C Controlled 1-Cell Pre-Regulator Application
TYPICAL CHARACTERISTICS
Using circuit shown in Figure 1, TA = 25°C, unless otherwise specified.
ADAPTER INSERTION
BATTERY INSERTION/REMOVAL
Figure 3.
Figure 4.
PWM CHARGING WAVEFORMS
POOR SOURCE DETECTION
Figure 5.
Figure 6.
Copyright © 2010, Texas Instruments Incorporated
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