Manufacturer Part Number
TPS2557DRBR
Manufacturer
Texas Instruments
Introduction
TPS2557DRBR is a precision adjustable current-limited power-distribution switch designed for USB and other applications.
Product Features and Performance
Precision current limiting
Adjustable current limit
Slew rate controlled
Status flag indicator
Over-temperature protection
Under-voltage lockout (UVLO)
Supports up to 5A output current
22mOhm typical Rds (on)
High-side switch configuration
Product Advantages
High accuracy current limiting enhances system protection
Customizable current limit via an external resistor
Integrated fault protection safeguards against overcurrent and thermal events
On/Off interface simplifies control and usage
High efficiency due to low on-resistance
Key Technical Parameters
Voltage - Load: 2.5V to 6.5V
Output Configuration: High Side, N-Channel
Current - Output (Max): 5A
Rds On (Typ): 22mOhm
Fault Protection: Adjustable current limiting, over-temperature, UVLO
Quality and Safety Features
Built-in fault protection features
Protection from thermal overload with operating temperature range from -40°C to 125°C
Meets industry standard safety requirements
Compatibility
Compatible with USB and general-purpose power distribution requirements
Easily integrated into systems due to standard packaging and compact form factor
Application Areas
USB hubs, ports, and power supplies
Power distribution in consumer electronics
Embedded systems
Industrial controls
Product Lifecycle
Status: Active
The product is not indicated to be nearing discontinuation.
Replacements or upgrades should be available as it is a current item in Texas Instruments' portfolio.
Several Key Reasons to Choose This Product
Customizable and precise current limit for tailored protection
Status feedback functionality enables system diagnostics
Low on-resistance facilitates higher efficiency operation
Wide operating voltage range covers various applications
Robust thermal and fault protection increase system reliability
Industry leader manufacturing guarantees high-quality standards
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