TPS2546RTER
Power Distribution Switches, Load Drivers
Technical Specifications
| Type | Description |
|---|---|
| Working Voltage V | 5 V |
| Charge Current - Max | 2.5A |
| Quiescent Current (Iq) | 2uA |
| Type | Description |
|---|---|
| Operating Temp | -40°C ~ +125°C |
| Features | Overcurrent Protection;Under-voltage lockout |
| Package / Case | WQFN-16-EP |
Product Introduction
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. TI tests charging of popular mobile phones, tablets, and media devices with the TPS2546 to ensure compatibility with both BC1.2 compliant, and nonBC1.2 compliant devices.
In addition to charging popular devices, the TPS2546 also supports two distinct power management features, namely, power wake and port power management (PPM) through the STATUS pin. Power wake allows for power supply control in S4/S5 charging and PPM the ability to manage port power in a multi-port application. Additionally, system wake up (from S3) with a mouse/keyboard (both low speed and full speed) is fully supported in the TPS2546.
The TPS2546 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 and load detect thresholds.
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
- 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
- Max Device Current:
- 2 μA When Device Disabled
- 270 μA When Device Enabled
- Drop-In and BOM Compatible With TPS2543
- Available in 16-Pin WQFN (3.00 mm×3.00 mm) Package
- 8-kV ESD Rating on DM/DP Pins
- UL Listed File No. E169910 and CB certified
Applications
- - USB Ports (Host and Hubs) - Notebook and Desktop PCs - Universal Wall-Charging Adapters
Datasheet
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
Sourcing Information
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