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BQ24158 Datasheet(PDF) 9 Page - Texas Instruments

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Part # BQ24158
Description  Fully Integrated Switch-Mode One-Cell Li-Ion Charger
Download  43 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

BQ24158 Datasheet(HTML) 9 Page - Texas Instruments

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background image
VBUS
2V/div
VSW
5V/div
I
0.5 A/div
BAT
10ms/div
VSW
2V/div
I
0.5 A/div
L
2
s/div
m
I
0.5 A/div
L
VSW
2V/div
100nS/div
VBAT
2V/div
VSW
5V/div
I
0.5 A/div
BAT
1S/div
BatteryInserted
BatteryRemoved
VBAT
2V/div
VBUS
5V/div
I
50mA/div
BUS
100mS/div
VBAT
2V/div
VBUS
4V/div
100mS/div
VSW
5V/div
IBUS
100mA/div
bq24153A
bq24156A, bq24158
www.ti.com
SLUSAB0 – OCTOBER 2010
TYPICAL PERFORMANCE CHARACTERISTICS
Using circuit shown in Figure 1, TA = 25°C, unless otherwise specified.
vertical spacer
ADAPTER INSERTION
CYCLE BY CYCLE CURRENT LIMITING IN CHARGE MODE
Figure 3. VBUS = 0-5V, Iin_limit = 500mA, Voreg = 4.2V
Figure 4. VBUS = 5V, VBAT = 3.5V
VBAT = 3.5V, ICHG = 550mA, 32S mode
Charge Mode Overload Operation
BATTERY INSERTION/REMOVAL
PWM CHARGING WAVEFORMS
Figure 5. VBUS = 5 V, VBAT = 3.4V, Iin_limit = 500 mA
Figure 6. VBUS = 5 V, VBAT = 2.6 V, Voreg = 4.2 V,
(32s Mode)
ICHG = 1550 mA
BATTERY DETECTION AT POWER UP (bq24153A/6A)
BATTERY DETECTION AT POWER UP (bq24158)
Figure 7. VBUS = 5V, No Battery Connected
Figure 8. VBUS = 5V, No Battery Connected
Copyright © 2010, Texas Instruments Incorporated
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Product Folder Link(s): bq24153A bq24156A bq24158


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