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RT9458WSC Datasheet(PDF) 5 Page - Richtek Technology Corporation

Part # RT9458WSC
Description  Switch-Mode Single Cell Li-Ion Battery Charger
PDF  27 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9458WSC Datasheet(HTML) 5 Page - Richtek Technology Corporation

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5
DS9458-02
February 2017
www.richtek.com
RT9458
©
Copyright
2017 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
Charger Flow
Power on
PreCharge Mode
Load I
2
C with default
settings
VBATS > VPREC?
disable charge
-----------------
Charge Configure Mode
Any state
Fast-Charge to CV mode
TE is enabled?
ICHRG < IEOC?
32 min timer fault?
BATD_EN is enabled?
Charge done
VBATS < VREC ?
Battery Detection Mode
(Detect every 2s)
Sink 0.5mA from battery
----------------------------------
Start 262ms timer
VBATS < VREC?
262ms timer expired?
Yes
No
No
Yes
No
No
Yes
Yes
No
No
Yes
No
Yes
Yes
Yes
No



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