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STBC21 Fiches technique(PDF) 24 Page - STMicroelectronics

No de pièce STBC21
Description  LI battery charger with thermal regulation
PDF  54 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STBC21 Fiches technique(HTML) 24 Page - STMicroelectronics

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Detailed description
STBC21
24/54
Doc ID 023256 Rev 1
Figure 13.
Battery alarm flowchart
Figure 14.
Charger alarm flowchart
AM10422v 1
Ba ery alarm detec on
YES
NO
TIMER-1
expired
YES
Ba ery Alarm
LED SET
UVLO on VBAT
VBAT < 3.0V
OVP on VBAT
VBA T > 4.25V
Ba ery hot
VTEMP < 0.3V
Ba ery
Connec on Detec on
error
NO
NO
NO
NO
YES
YES
Ba ery removal
END
YES
YES
NO
Charging Stop
Ba ery unistalla on
LED SET
TIMER-4
expired
VBAT < 1.0V
YES
YES
NO
NO
Fast-Charge
or
End of Charge
YES
NO
AM10423v1
Charger alarm detec on
YES
NO
Charging Stop
UVLO on VCC
VCC < 2.8V
OVP on VCC
VCC > 9.0V
NO
NO
YES
POWER OFF
END
YES
NO
Over Current
IBAT > 1.1A
Charger Alarm
LED SET
YES
Power UP
2.8V Transi on
YES
NO



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