TPS2544RTER

FEATURES

• D+/D– CDP/DCP Modes per USB Battery

Charging Specification 1.2

• D+/D– Shorted Mode per Chinese

Telecommunication Industry Standard YD/T

1591-2009

• Support non-BC1.2 charging modes by automatic selection

– D+/D– Divider Modes 2.0V/2.7V and 2.7/2.0V

– D+/D- 1.2V Mode

• Supports Sleep-Mode Charging and Mouse/Keyboard Wake Up

• Automatic SDP/CDP Switching for devices that do not connect to CDP ports

• Compatible with USB 2.0 and 3.0 Power Switch requirements

• Integrated 73-mΩ (typ) High-Side MOSFET

• Adjustable Current-Limit up to 3.0 A (typ)

• Operating Range: 4.5V to 5.5V

• Max device current

– 2µA when device disabled

– 270µA when device enabled

• Drop-In and BOM Compatible with TPS2543 and TPS2546

• Available in 16-Pin QFN (3x3) Package

• 8KV ESD rating on DM/DP pins

• UL Listed and CB File No. E169910

APPLICATIONS

• USB Ports (Host and Hubs)

• Notebook and Desktop PCs

• Universal Wall Charging Adapters

DESCRIPTION

The TPS2544 is a USB charging port controller and power switch with an integrated USB 2.0 high-speed data line (D+/D–) switch. TPS2544 provides the electrical signatures on D+/D– to support charging schemes listed under device feature section. TI tests charging of popular mobile phones, tablets and media devices with the TPS2544 to ensure compatibility with both BC1.2 compliant and non-compliant devices. In addition to charging popular devices, TPS2544 also supports system wake up (from S3) with a mouse/keyboard; both low speed and full speed are supported.

The TPS2544 73-mΩ power-distribution switch is intended for applications where heavy capacitive loads and short-circuits are likely to be encountered. Two programmable current thresholds provide flexibility for setting current limits.

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