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API9221 Datasheet(PDF) 13 Page - Diodes Incorporated

No. de pieza API9221
Descripción Electrónicos  Car/Wall or USB Supply Input Lithium Battery Charger with OVP USB
PDF  17 Pages
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Fabricante Electrónico  DIODES [Diodes Incorporated]
Página de inicio  http://www.diodes.com
Logo DIODES - Diodes Incorporated

API9221 Datasheet(HTML) 13 Page - Diodes Incorporated

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API9221
Car/Wall or USB Supply Input Lithium Battery Charger
with OVP USB Bypass and 10mA LDO
API9221
Document number: DS32204 Rev. 1 - 2
13 of 17
www.diodes.com
May 2010
© Diodes Incorporated
Logic State Table
INPUTS
OUTPUTS
EN
VDC INPUT
VALID*
VUSB INPUT
VALID*
PPR
CHG
Charging State
VDC_LDO
USB_BYP
X
No
No
Hi Z
Hi Z
Off
Off
Off
HIGH
Yes
No
LOW
Hi Z
Off
On
Off
LOW
Yes
No
LOW
LOW
On (VDC)
On
Off
HIGH
No
Yes
LOW
Hi Z
Off
Off
On
LOW
No
Yes
LOW
LOW
On (VUSB)
Off
On
HIGH
Yes
Yes
LOW
Hi Z
Off
On
On
LOW
Yes
Yes
LOW
LOW
On (VDC)
On
On
* Valid VDC input: VPOR < VDC < OVPVDC
* Valid VUSB input: VPOR < VUSB < OVPVUSB
X = don’t care
When the charging state is On, the charge current also depends on the battery terminal voltage as described in the text.
Charging Profile Diagram



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