TPS2546 Overview
Description
The TPS2546 is a USB charging port controller and power switch with an integrated USB 2.0 high-speed data line (D+/D–) switch. TPS2546 provides the electrical signatures on D+/D– to support charging schemes listed under Feature Description.
Key Features
- 1 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
- Supports Non-BC1.2 Charging Modes by Automatic Selection: – D+/D– Divider Modes 2 V/2.7 V and 2.7 V/2 V – D+/D– 1.2-V Mode
- Supports Sleep-Mode Charging and Mouse/Keyboard Wakeup
- Automatic SDP/CDP Switching for Devices That Do Not Connect to CDP Ports
- Load Detection for Power Supply Control in S4/S5 Charging and Port Power Management in All Charge Modes
- Compatible With USB 2.0 and 3.0 Power Switch Requirements
- Integrated 73-mΩ (Typical) High-Side MOSFET
- Adjustable Current-Limit up to 3 A (Typical)
- Operating Range: 4.5 V to 5.5 V
