Product Overview
The TPS2549IRTERQ1 from Texas Instruments is an automotive USB charging port controller with integrated power switch and cable droop compensation. It supports USB BC1.2, Apple, and Samsung divider modes, delivering up to 2.1A in a 16-pin WQFN package.
Key Specifications
| Type | USB Charging Port Controller + Power Switch |
| Supply Voltage | 4.5V to 5.5V |
| Current Limit | Adjustable up to 2.1A |
| RDS(ON) | 70mOhm (typ) |
| USB Modes | BC1.2 CDP/DCP, Apple, Samsung |
| Droop Compensation | Yes (cable) |
| Operating Temperature | -40 to 85 C |
| Qualification | AEC-Q100 |
Features
- Integrated USB charging port controller and power switch
- Multiple USB charging scheme detection
- Cable droop compensation for accurate charging
- EN pin for logic control
- Thermal shutdown and overcurrent protection
- AEC-Q100 automotive qualified
Applications
- Automotive USB charging ports
- In-vehicle infotainment USB interfaces
- Car charger adapters
- Automotive head unit USB power
- USB charging docks for vehicles