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PI5USB2544A 数据表(PDF) 13 Page - Pericom Semiconductor Corporation |
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PI5USB2544A 数据表(HTML) 13 Page - Pericom Semiconductor Corporation |
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13 / 31 page ![]() |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||| 2015-08-0012 PT0513-3 8/31/15 13 PI5USB2544A, PI5USB2546A USB Charging Port Controller and Load Detection Power Switch Divider-1A, Divider-2A and Divider-2.4A Charging Scheme There are two charging schemes supported by PI5USB2544A/2546A, Divider-1A, Divider-2A and Divider-2.4A as shown below. In Divider-1A charging scheme the device applies 2.0V and 2.7V to D+ and D- data line respectively. This is reversed in Divider-2A mode. Divider-2.4A charging scheme on PI5USB2544A or PI5USB2546A is applying 2.7V on both D+ and D-.. Figure 2a, Divider-1A Charging Scheme Figure 2b, Divider-2A Charging Scheme Figure 2c, Divider-2.4A Charging Scheme GND USB Connector 2.7V 1.2V 2.0V CDP Detect Auto Detect D- D+ D- OUT D+OUT PI5USB2544A/2546A VBUS USB Host/Hub GND USB Connector 2.0V 1.2V 2.7V CDP Detect Auto Detect D- D+ D- OUT D+OUT PI5USB2544A/2546A VBUS USB Host/Hub GND USB Connector 2.7V 1.2V 2.7V CDP Detect Auto Detect D- D+ D- OUT D+OUT PI5USB2544A/2546A VBUS USB Host/Hub |
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