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| BQ24040_16 Datasheet, PDF (24/38 Pages) Texas Instruments – Single Cell Li-Ion and Li-Pol Battery Charger With Auto Start | |||
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bq24040, bq24041, bq24045
SLUS941F â SEPTEMBER 2009 â REVISED MARCH 2015
Typical Applications (continued)
9.2.1.3 Application Performance Curves
SETUP: bq24040 typical applications schematic; VIN = 5V, VBAT = 3.6V (unless otherwise indicated)
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Vin
5V/div
Vout
5V/div
Vpg
5V/div
Vaso
5V/div
t - time - 10ms/div
Vin
5V/div
Vout
5V/div
Vpg
5V/div
Vaso
5V/div
t - time - 10ms/div
Figure 16. Power-up Timing
Vasi
5V/div
Vout
5V/div
Vpg
5V/div
Vaso
5V/div
t - time - 20ms/div
Figure 18. â ASI and OUT Power-up Timing â No Input
Vin
Vchg
Vpg
5V/div
2V/div
2V/div
Viset
2V/div
t - time - 20ms/div
Figure 20. OVP 8V Adaptor - Hot Plug
Figure 17. Power-up Timing â No Battery or Load
Vasi
5V/div
Vout
5V/div
Vpg
5V/div
Vas
5V/div
t - time - 50ms/div
Figure 19. ASI and delayed OUT
Power-up Timing â No Input
Vin
5V/div
Vchg
2V/div
Vpg 2V/div
Viset 2V/div
t - time - 100ms/div
Figure 21. OVP from Normal Power-up
Operation â VIN 0V â 5V â 8V â5V
24
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Product Folder Links: bq24040 bq24041 bq24045
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