TPS2540 Status: ACTIVE
USB Charging Port Power Switch & Controller for Charging Host Ports & Dedicated Charging Ports
The TPS2540 and TPS2541 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 TPS2540/41 monitors D+ and D-, providing the correct hand-shaking protocol with compliant client devices.
The TPS2540/41 supports the following charging logic schemes:
- USB 2.0 BC1.2 (draft)
- Chinese Telecom Standard YD/T 1591-2009
- Divider Mode, compliant with Apple devices such as iPod and iPhone
CTL1-CTL3 logic inputs are used to select one of the various charge modes provided by the TPS2540 and TPS2541.
- USB Ports/Hubs
- Notebook PCs
- Universal Wall Charging Adapter
Apple®: Is a trademark of Apple Inc. iPod®: Is a trademark of Apple Inc. iPhone®: Is a trademark of Apple Inc.