Manufacturer Part Number
TPS40009DGQR
Manufacturer
Texas Instruments
Introduction
The TPS40009DGQR is a step-down DC DC switching controller designed for power management applications.
Product Features and Performance
Step-down (Buck) topology
Single output transistor driver
Supports synchronous rectification
Up to 93% duty cycle for efficient operation
Current limit, enable, and soft start control features
Switching frequency of 600kHz
Product Advantages
High-efficiency voltage conversion
Compact PowerTFSOP (MSOP) packaging
Supports a wide supply voltage range of 2.25V to 5.5V
Designed for simple, cost-effective power solutions
Key Technical Parameters
Output Type: Transistor Driver
Function: Step-Down
Output Configuration: Positive
Topology: Buck
Number of Outputs: 1
Output Phases: 1
Voltage - Supply (Vcc/Vdd): 2.25V ~ 5.5V
Frequency - Switching: 600kHz
Duty Cycle (Max): 93%
Synchronous Rectifier: Yes
Quality and Safety Features
Operating Temperature Range: -40°C ~ 85°C
Compatibility
Suitable for use in a variety of electronic circuits where a lower DC voltage is required from a higher DC source
Application Areas
Commercial and industrial power supplies
Battery-powered devices
Portable electronic devices
Networking and telecommunication equipment
Product Lifecycle
Active status
Not indicated as nearing discontinuation
Products typically have replacements or upgrades available
Several Key Reasons to Choose This Product
Texas Instruments' reputation for reliable and high-performance components
Space-saving 10-HVSSOP packaging suitable for compact designs
The ability to provide efficient power conversion across a range of voltages
High-frequency operation reduces external component size
Industry-standard footprint for easy integration in design
Incorporates features for protected and stable operation