RT5021 datasheet(62/67 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

62 / 67 page

RT5021

DS5021-01 April 2013

www.richtek.com

is a registered trademark of Richtek Technology Corporation.

Secondary Charger Type Detection (CHG_2DET)

Set

CHG_2DET = 1

Wait 300ms

Read 0x9 Status

CHG_TYP [2:0]

= 101

CHG_TYP [2;0]

= 110

Dedicated

Charger

Detected (DCP)

High Current

Host/Hub

Detected (CDP)

Yes

Reset

CHG_2DET = 0

D+/D- impedance of Standard USB Host/Charging Downstream Port. Apple Charger, Sony Charger, and Dedicated

Charger :

D+

3.6V

300k

14.25k to 24.8k

D-

3.6V

300k

14.25k to 24.8k

D+

75k

49.9k

D-

43.2k (for 1A)

49.9k

D+

5.1k

10k

D-

5.1k

10k

D+

1.554k

D-

2.155k

0.5A

D+

2M (MIN)

D-

2M (MIN)

75k (for 0.5A)

Standard USB host

charging downstream port

Apple

Charger

Sony

Charger

Sony

Charger-2

Dedicated

Charger

RT5021 数据表(PDF) 62 Page - Richtek Technology Corporation

RT5021 数据表(HTML) 62 Page - Richtek Technology Corporation

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RT5021 数据表(PDF) 62 Page - Richtek Technology Corporation

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