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BQ21040DBVR Datasheet(PDF) 11 Page - Texas Instruments

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Part # BQ21040DBVR
Description  Single Cell Li-Ion and Li-Pol Battery Charger
Download  30 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

BQ21040DBVR Datasheet(HTML) 11 Page - Texas Instruments

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background image
LDO
VSS
1.8V
0V
LDOHYS
0°C
0°CHYS
10°C
10°CHYS
45°C
45°CHYS
60°C
60°CHYS
EN
DISHYS
tDGL(TS)
tDGL(TS)
tDGL(TS)
tDGL(TS)
tDGL(TS_IOC)
Rising
tDGL(TS_IOC)
Falling
tDGL(TS)
tDGL(TS)
tDGL(TTDM)
Exit
tDGL(TTDM)
Enter
t < tDGL(TTDM)
Exit
t < tDGL(IS)
Normal
Operation
LDO
Mode
Normal
Operation
Cold
Operation
Cold
Fault
LDO
Mode
Cold
Fault
Normal
Operation
tDGL(TS)
tDGL(TTDM)
Enter
Disabled
Cold
Operation
HOT
Fault
4.06 V
HOT
Operation
Normal
Operation
4.06 V
HOT
Operation
Disabled
tDGL(TS1_IOC)
Cold to Normal
Drawing Not to Scale
Dots Show Threshold Trip Points
fllowed by a deglitch time before
transitioning into a new mode.
t
bq21040
www.ti.com
SLUSCE2A – APRIL 2016 – REVISED MAY 2016
11
Product Folder Links: bq21040
Submit Documentation Feedback
Copyright © 2016, Texas Instruments Incorporated
A.
JEITA timing does not apply to bq21040
Figure 8. TS Battery Temperature Bias Threshold and Deglitch Timers


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