RT5021 datasheet(61/67 Pages) RICHTEK

部件名	RT5021

功能描述	Channels DC/DC PMU with Li-ion Battery Charger

PDF	67 Pages

Scroll/Zoom	100%

制造商	RICHTEK [Richtek Technology Corporation]

网页	http://www.richtek.com

标志

61 / 67 page

RT5021

DS5021-01 April 2013

www.richtek.com

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

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

Data Contact

Detect

Yes

> 512ms

Data Contact OK

Write

DCD_T = 1

Yes

D+ = VDP_SRC

D- > VDAT_REF

& D- <VLGC

Set 100mA mode

USUS = 0

ENCH = 0

ISETL = 0

ISETU = 0

SONY/APPLE

CHARGER DETECTION

Special

Charger

Yes

PMU Turn On

Yes

≤

RT5021 数据表(PDF) 61 Page - Richtek Technology Corporation

RT5021 数据表(HTML) 61 Page - Richtek Technology Corporation

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