TUSB8042AI datasheet(2/64 Pages) TI1

2 / 64 page

The TUSB8042A downstream ports provide support for battery charging applications by providing Battery

Charging Downstream Port (CDP) handshaking support. The device also supports a Dedicated Charging Port

(DCP) mode when the upstream port is not connected. The DCP mode supports USB devices which support

with the USB Battery Charging, Galaxy Charging, and Chinese Telecommunications Industry Standard YD/T

1591-2009. In addition when upstream port is unconnected, the TUSB8042A supports the divider charging port

modes (ACPx modes) and an automatic transition through all modes, starting with ACP3 and ending in DCP.

The TUSB8042A provides pin strap configuration for some features including battery-charging support, and also

provides customization though OTP ROM, I2C EEPROM, or through an I2C/SMBus target 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 target interface.

The device is available in a 64-pin RGC package and is offered in a commercial version (TUSB8042A) for

operation over the temperature range of 0°C to 70°C, and in an industrial version (TUSB8042AI) for operation

over the temperature range of –40°C to 85°C.

Package Information

PART NUMBER(1)

PACKAGE

PACKAGE SIZE(2)

TUSB8042A

RGC (VQFN, 64)

9mm × 9mm

TUSB8042AI

RGC (VQFN, 64)

9mm × 9mm

(1)

For all available packages, see Section 12.

(2)

The package size (length × width) is a nominal value and includes pins, where applicable.

USB 3.x Host Controller

USB 2.0

Device

USB 3.x

Device

USB 2.0 Connection

USB 3.x Connection

USB 2.0/3.x Device

USB 3.x Device

USB 2.0 Device

USB 3.1 System Implementation

USB 1.x Device

USB 1.1

Device

USB 1.x Connection

TUSB8042A

USB 2.0

Device

USB 3.x Hub

USB 3.x

Device

USB 2.0 Hub

USB 2.0

Device

USB 1.1

Device

USB 3.x

Device

Diagram

TUSB8042A

SLLSF93A – JUNE 2019 – REVISED JANUARY 2025

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