Manufacturer Part Number
TPS2549IRTERQ1
Manufacturer
Texas Instruments
Introduction
Automotive-grade USB power distribution switch with advanced safety features
Product Features and Performance
Single USB switch
Integrated N-Channel power MOSFET
High Side Output Configuration
On/Off Control Interface
Load Discharge Feature
Status Flag Indication
Adjustable Current Limiting Feature
Over Temperature Protection
Over Voltage Protection
UVLO (Under Voltage Lock Out)
Supports up to 3A output current
Low Rds(on) of 47mOhm
Product Advantages
Optimized for automotive USB charging and power distribution
Advanced fault protection increases system reliability
Power-efficient operation with low on-resistance
Designed to interface with USB 2.0 and 3.0 specifications
Improves system safety via multiple protection features
Key Technical Parameters
Output Voltage Range: 4.5V to 6.5V
Supply Voltage: Not Required for Operation
Output Current Maximum: 3A
Thermal Resistance Junction-to-Ambient: 40°C/W
Input Signal Type: Non-Inverting
Quality and Safety Features
AEC-Q100 Qualified
Automotive-grade temperature range: -40°C to 125°C
Robust fault protection mechanisms
Compatibility
Compatible with universal USB standards
Easy integration with automotive USB-based systems
Application Areas
Automotive infotainment systems
Vehicle USB ports for charging and power distribution
USB accessory interfaces in transportation
Product Lifecycle
Product Status: Active
Not nearing discontinuation at knowledge cutoff
Information on replacements or upgrades not provided
Several Key Reasons to Choose This Product
High reliability for automotive applications due to AEC-Q100 qualification
Lower total system cost thanks to integrated high side switch
Enhanced safety with comprehensive protection features
Suitable for harsh automotive environments with a wide operating temperature range
Scalable and compatible with existing USB power architectures
Streamlines design efforts with the availability of support and development tools from Texas Instruments
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