Overview
The TPS2546RTET is a USB charging port controller and power switch developed by Texas Instruments. This integrated circuit is designed to manage power distribution and charging processes in USB devices, ensuring efficient and reliable power delivery. It supports various USB charging specifications, including USB Battery Charging Specification 1.2 and Chinese Telecommunication Industry Standard YD/T 1591-2009. The TPS2546RTET is particularly useful in applications requiring automatic switching between Standard Downstream Port (SDP) and Charging Downstream Port (CDP) modes, as well as load detection for power supply control.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package Type | 16-Pin WQFN (3.00 mm × 3.00 mm) |
| Operating Temperature Range | -40°C to 125°C |
| Input Voltage Range | 4.5 V to 5.5 V |
| Supply Voltage-Nom | 5 V |
| Supply Current-Max | 0.27 mA |
| Integrated MOSFET Resistance | 73 mΩ (Typical) |
| Current Limit | Up to 3 A (Typical) |
| ESD Rating on DM/DP Pins | 8 kV |
| RoHS Status | Lead Free / RoHS Compliant |
| REACH Status | REACH Compliant |
Key Features
- D+/D– CDP/DCP Modes per USB Battery Charging Specification 1.2 and 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/2V, and D+/D– 1.2-V Mode.
- 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.
- Integrated 73-mΩ (Typical) High-Side MOSFET.
- Adjustable Current-Limit up to 3 A (Typical).
- Supports Sleep-Mode Charging and Mouse/Keyboard Wakeup.
- Compatible With USB 2.0 and 3.0 Power Switch Requirements.
- UL Listed File No. E169910 and CB certified.
Applications
- Smartphones and Tablets.
- Portable Power Banks.
- USB-C Adapters and Hubs.
- Li-Ion Battery Management Systems.
- IoT Devices and Wearable Technology.
- Automotive USB Charging Stations.
- Consumer Electronics).
Q & A
- What is the TPS2546RTET used for? The TPS2546RTET is used as a USB charging port controller and power switch to manage power distribution and charging processes in USB devices.
- What are the supported charging modes? It supports D+/D– CDP/DCP Modes per USB Battery Charging Specification 1.2 and Chinese Telecommunication Industry Standard YD/T 1591-2009, as well as Non-BC1.2 Charging Modes).
- What is the maximum current limit of the TPS2546RTET? The maximum current limit is up to 3 A (Typical)).
- Does the TPS2546RTET support USB Type-C? Yes, it supports USB Type-C and Power Delivery specifications, although the specific model TPS2546RTET is more focused on USB 2.0 high-speed data line switching).
- What safety features are included in the TPS2546RTET? It includes thermal protection, fault indication, and load detection for power supply control).
- What package type does the TPS2546RTET come in? The TPS2546RTET is available in a 16-Pin WQFN (3.00 mm × 3.00 mm) package).
- Is any programming required for the operation of the TPS2546RTET? No, it is designed for plug-and-play operation according to standard USB power delivery protocols).
- What is the operating temperature range of the TPS2546RTET? The operating temperature range is -40°C to 125°C).
- Is the TPS2546RTET RoHS and REACH compliant? Yes, it is both RoHS and REACH compliant).
- What is the ESD rating on DM/DP pins? The ESD rating on DM/DP pins is 8 kV).
