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RT5021 Datasheet(PDF) 61 Page - Richtek Technology Corporation

Part # RT5021
Description  Channels DC/DC PMU with Li-ion Battery Charger
PDF  67 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT5021 Datasheet(HTML) 61 Page - Richtek Technology Corporation

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RT5021
61
DS5021-01 April 2013
www.richtek.com
Copyright
2013 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
©
USB Charger Detection
Primary Charger Type Detection (CHG_1DET) : Detection Time
200ms
Yes
Dedicated or
High current
Host/Hub
Standard USB port
UVLO < VIN < OVP
& VIN - VBAT > 50mV
& 30msec Deglitch time
Initial state
USUS = 0
ENCH = 0
ISETL = 0
ISETU = 0
CHG_1DET = 1
CHG_2DET = 0
No
No
Set 0.5A mode
USUS = 0
ENCH = 0
ISETL = 0
ISETU = 1
System is Wake-up
then disable Wake-up
function and set
charging type.
Set charger
Condition by
I
2
C
Data Contact
Detect
Yes
> 512ms
Data Contact OK
Write
DCD_T = 1
Yes
No
Yes
D+ = VDP_SRC
D- > VDAT_REF
& D- <VLGC
No
Set 100mA mode
USUS = 0
ENCH = 0
ISETL = 0
ISETU = 0
SONY/APPLE
CHARGER DETECTION
Special
Charger
No
Yes
PMU Turn On
No
Yes
≤



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