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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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RT5021 Scheda tecnica(PDF) 62 Page - Richtek Technology Corporation |
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RT5021 Scheda tecnica(HTML) 62 Page - Richtek Technology Corporation |
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62 / 67 page  RT5021 62 DS5021-01 April 2013 www.richtek.com Copyright 2013 Richtek Technology Corporation. All rights reserved. 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 Yes No 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+ 5V 75k 49.9k D- 5V 43.2k (for 1A) 49.9k D+ 5V 5.1k 10k D- 5V 5.1k 10k D+ 5V 1.554k D- 2.155k 0.5A D+ 5V 2M (MIN) D- 2M (MIN) 75k (for 0.5A) Standard USB host charging downstream port Apple Charger Sony Charger Sony Charger-2 Dedicated Charger |
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