 English |
|
|
|
|
|
|
|
| BQ24040 Datasheet, PDF (10/31 Pages) Texas Instruments – 800mA Single-Input Single Cell Li-Ion Battery Charger With Auto Start | |||
| |||
| ◁ |
bq24040
bq24041
SLUS941A â SEPTEMBER 2009 â REVISED SEPTEMBER 2009.................................................................................................................................... www.ti.com
TYPICAL OPERATIONAL CHARACTERISTICS
SETUP: bq24040 typical applications schematic; VIN = 5V, VBAT = 3.6V (unless otherwise indicated)
POWER UP, DOWN, OVP, DISABLE AND ENABLE WAVEFORMS
Vin
5V/div
Vin
5V/div
Vout
5V/div
Vpg
5V/div
Vaso
5V/div
t - time - 10ms/div
Figure 1. Power up Timing, bq24041
Vout
5V/div
Vpg
5V/div
Vaso
5V/div
t - time - 10ms/div
Figure 2. Power up Timing â No Battery or Load, bq24041
Vasi
5V/div
Vout
5V/div
Vpg
5V/div
Vaso
5V/div
t - time - 20ms/div
Figure 3. â ASI and OUT Power-up Timing â No Input, bq24041
Vin
Vchg
Vpg
5V/div
2V/div
2V/div
Viset
2V/div
t - time - 20ms/div
Figure 5. OVP 8V Adaptor - Hot Plug
Vasi
5V/div
Vout
5V/div
Vpg
5V/div
Vas
5V/div
t - time - 50ms/div
Figure 4. ASI and delayed OUT
Power-up Timing â No Input, bq24041
Vin
5V/div
Vchg
2V/div
Vpg 2V/div
Viset 2V/div
t - time - 100ms/div
Figure 6. OVP from Normal Power-up
Operation â VIN 0V â 5V â 8V â5V
10
Submit Documentation Feedback
Product Folder Link(s): bq24040 bq24041
Copyright © 2009, Texas Instruments Incorporated
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese