Startechcom ST7CU35122 Manuale Utente Scaricare il pdf (Pagina 7)

Instruction Manual

Apple Mode denition:

Apple Mode is a proprietary charging mode developed by Apple, which redenes

the other two pins of the USB connector, enabling them to send current and increase

charging speed (same theory as DCP mode in BC 1.2 version, but with dierent voltage

levels on the pins).

Detailed as follows:

1A Mode: VCC:5V/GND:5V/D+:2.0V/D-:2.7V (compatible with Apple products that need

1A current input, such as iPhones, IPods and iPads)

2A Mode: VCC:5V/GND:5V/D+:2.7V/D-:2.0V (compatible with Apple products that need

2A current input, such as iPads or iPad minis)

BC 1.2 Mode ( Battery Charging Specication 1.2) denitions:

SDP: Standard Downstream Port, dened under USB 2.0 & 3.0 specication. Charging

limits: 500mA / USB 2.0; 900mA/USB3.0

DCP: Dedicated charging Port, for charging only. To increase charging eciency in DCP

mode, D+ and D- will short out and cannot transmit data. **ST7CU35122 uses this mode

only.

CDP: Charging Downstream Ports. USB ports under this mode can transmit data.

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Startechcom ST7CU35122 Manuale Utente Pagina 7