TPS2540RTET Datasheet

USB Charging Port Power Switch and Controller


The TPS2540/40A and TPS2541/41A are a combination of current-limited USB port power switch with a USB 2.0 high-speed data line (D+/D-) switch and a USB charging port identification circuit. Applications include notebook PCs and other intelligent USB host devices. The wide bandwidth (2.6 GHz) data-line switch also features low capacitance and low on resistance, allowing signals to pass with minimum edge and phase distortion. The TPS2540/40A/41/41A monitors D+ and D-, providing the correct hand-shaking protocol with compliant client devices.
The TPS2540/40A/41/41A supports the following charging logic schemes:

• USB 2.0 BC1.2
• Chinese Telecom Standard YD/T 1591-2009
• Divider Mode, compliant with Apple devices such as iPod® and iPhone®

• Meets Battery Charging Specification BC1.2 for DCP and CDP
• Meets Chinese Telecommunications Industry
   Standard YD/T 1591-2009
• Supports Sleep-Mode Charging for Most
   Available Apple® Devices and/or BC1.2
   Compliant Devices
• Compatible With USB 2.0 and 3.0 Power
   Switch Requirements
• 2.6-GHz Bandwidth USB 2.0 Data Switch
• 73-mΩ (typ.) High-Side MOSFET
• Adjustable Current Limit up to 2.8 A (typical)
• OUT Discharge Through CTLx=000
   (TPS2540/40A) or DSC (TPS2541/41A) Input
• Longer Detach Detection Time (TPS2540A/41A)
   Supporting Additional Legacy Devices
• Available in 16-Pin QFN Package

• USB Ports/Hubs
• Notebook PCs
• Universal Wall Charging Adapter




Manufacturer information


Texas Instruments introduction - Texas Instruments Incorporated (TI) is a global semiconductor design and manufacturing company that develops analog ICs and embedded processors. By employing the world's brightest minds, TI creates innovations that shape the future of technology. TI is helping more than 100,000 customers transform the future, today.

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