Manufacturer Part Number
TPS6281126QWRWYRQ1
Manufacturer
Texas Instruments
Introduction
High-efficiency step-down voltage regulator for automotive applications.
Product Features and Performance
Synchronous buck regulator design
High efficiency for power saving
Fixed output voltage with high precision
Supports 2.75V to 6V input voltage range
Capable of supplying 1A output current
Adjustable switching frequency from 1.8MHz to 4MHz
Thermal shutdown and short-circuit protection
Low dropout operation
Designed for automotive applications with robust performance
Product Advantages
Suitable for battery-powered devices
Reduces external component count with integrated components
Provides design flexibility with adjustable frequency
High thermal performance for reliability
Meets AEC-Q100 automotive qualification standards
Key Technical Parameters
Voltage - Input (Min): 2.75V
Voltage - Input (Max): 6V
Voltage - Output (Min/Fixed): 1V
Current - Output: 1A
Frequency - Switching: 1.8MHz to 4MHz
Operating Temperature: -40°C to 125°C
Package/Case: 9-VFQFN
Quality and Safety Features
Overcurrent protection
Overtemperature protection
Qualification to AEC-Q100 standards
Automotive-grade design and construction
Compatibility
Compatible with a wide input voltage range
Surface mount, wettable flanks for improved solderability and inspection
Suitable for use with various microcontrollers and automotive power systems
Application Areas
Automotive electronics
Power supplies for embedded systems
Infotainment systems
Advanced driver assistance systems (ADAS)
Telematics and connectivity modules
Product Lifecycle
Status: Active
Not nearing discontinuation
Replacements or upgrades may be available as newer generations of voltage regulators
Several Key Reasons to Choose This Product
Supports a wide input voltage range suitable for automotive battery voltages
High switching frequency reduces the size of external components
Automotive-grade qualification ensures reliability in harsh environments
High integration level leads to compact design and cost savings
Texas Instruments' reputation and support for long-term availability and technical assistance
