TUSB8020B-Q1 datasheet(3/45 Pages) TI1

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TUSB8020B-Q1

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SLLSEF7 – MARCH 2014

5 Description (Continued)

The TUSB8020B-Q1 downstream ports provide support for battery charging applications by providing USB

Battery Charging 1.2 Charging Downstream Port (CDP) handshaking support. It also supports a Dedicated

Charging Port (DCP) mode when the upstream port is not connected. The DCP mode supports the USB Battery

Charging Specification and the Chinese Telecommunications Industry Standard YD/T 1591-2009. In addition, an

automatic mode provides transparent support for BC 1.2 compliant devices and devices supporting Divider Mode

charging solutions when the upstream port unconnected.

The TUSB8020B-Q1 provides terminal strap configuration for some features including battery charging support,

and also provides customization though OTP ROM, I2C EEPROM or via an I2C/SMBus slave interface for PID,

VID, and custom port and phy configurations. Custom string support is also available when using an I2C

EEPROM or the I2C/SMBus slave interface.

The device is available in a 48-terminal HTQFP package and is designed for operation over the industrial

temperature range of -40°C to 85°C.

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TUSB8020B-Q1 Datenblatt(PDF) 3 Page - Texas Instruments