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| BQ24153A_14 Datasheet, PDF (9/46 Pages) Texas Instruments – Fully Integrated Switch-Mode One-Cell Li-Ion Charger With Full USB Compliance and USB-OTG Support | |||
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www.ti.com
bq24153A, bq24156A
bq24158, bq24159
SLUSAB0C â OCTOBER 2010 â REVISED JULY 2013
TYPICAL PERFORMANCE CHARACTERISTICS
Using circuit shown in Figure 2, TA = 25°C, unless otherwise specified.
vertical spacer
ADAPTER INSERTION
CYCLE BY CYCLE CURRENT LIMITING IN CHARGE MODE
VBUS
2 V/div
VSW
2 V/div
VSW
5 V/div
IBAT
0.5 A/div
10 ms/div
Figure 4. VBUS = 0-5V, Iin_limit = 500mA, Voreg = 4.2V
VBAT = 3.5V, ICHG = 550mA, 32S mode
BATTERY INSERTION/REMOVAL
VBAT
2 V/div
IL
0.5 A/div
2 ms/div
Figure 5. VBUS = 5V, VBAT = 3.5V
Charge Mode Overload Operation
PWM CHARGING WAVEFORMS
VSW
2 V/div
VSW
5 V/div
IBAT
0.5 A/div
Battery Inserted
Battery Removed
1 S/div
Figure 6. VBUS = 5 V, VBAT = 3.4V, Iin_limit = 500 mA
(32s Mode)
BATTERY DETECTION AT POWER UP (bq24153A/6A)
VBUS
5 V/div
IL
0.5 A/div
100 nS/div
Figure 7. VBUS = 5 V, VBAT = 2.6 V, Voreg = 4.2 V,
ICHG = 1550 mA
BATTERY DETECTION AT POWER UP (bq24158/9)
VBUS
4 V/div
VBAT
2 V/div
IBUS
50 mA/div
100 mS/div
Figure 8. VBUS = 5V, No Battery Connected
VBAT
2 V/div
VSW
5 V/div
IBUS
100 mA/div
100 mS/div
Figure 9. VBUS = 5V, No Battery Connected
Copyright © 2010â2013, Texas Instruments Incorporated
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Product Folder Links: bq24153A bq24156A bq24158 bq24159
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