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BQ24090DGQR Datasheet(PDF) 10 Page - Texas Instruments

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Part # BQ24090DGQR
Description  1A, Single-Input, Single Cell Li-Ion and Li-Pol Battery Charger
Download  34 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

BQ24090DGQR Datasheet(HTML) 10 Page - Texas Instruments

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background image
Viset
Vchg
Vts
Vout
1BatteryDetectCycle
Entered TTDM
t-time-10ms/div
5V/div
1V/div
1V/div
1V/div
Vin
Viset
Vts
Vout
t-time-5ms/div
2V/div
2V/div
1V/div
500mV/div
Vin
Vchg
Vpg
Vout
BatteryDetectMode
t-time-20ms/div
2V/div
5V/div
5V/div
2V/div
Vts
Viset
Vchg
Vpg
t-time-50ms/div
2V/div
2V/div
2V/div
500mV/div
Vin
Viset
Vchg
Vpg
t-time-100ms/div
2V/div
2V/div
2V/div
5V/div
Vin
Viset
Vchg
Vpg
t-time-20ms/div
2V/div
2V/div
5V/div
2V/div
bq24090, bq24091
bq24092, bq24093
bq24095
SLUS968D – JANUARY 2010 – REVISED DECEMBER 2012
www.ti.com
TYPICAL OPERATIONAL CHARACTERISTICS
SETUP: bq2409x typical applications schematic; VIN = 5V, VBAT = 3.6V (unless otherwise indicated)
POWER UP, DOWN, OVP, DISABLE AND ENABLE WAVEFORMS
Figure 1. OVP 8V Adaptor - Hot Plug
Figure 2. OVP from Normal Power-up
Operation – VIN 0V → 5V → 6.8V →5V
10k
Ω resistor from TS to GND. 10kΩ is shorted to disable the IC.
Fixed 10k
Ω resistor, between TS and GND.
Figure 3. TS Enable and Disable
Figure 4. Hot Plug Source w/No Battery – Battery Detection
Figure 5. Battery Removal – GND Removed 1st, 42
Ω Load
Figure 6. Battery Removal with OUT and
TS Disconnect 1st, With 100
Ω Load
NOTE: Continuous battery detection when not in TTDM.
10
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Copyright © 2010–2012, Texas Instruments Incorporated
Product Folder Links: bq24090 bq24091 bq24092 bq24093 bq24095


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