Manufacturer Part Number
TPS40090PWR
Manufacturer
Texas Instruments
Introduction
The TPS40090PWR is a flexible synchronous buck controller designed for high-performance, low-power applications.
Product Features and Performance
PWM Signal Output Type
Step-Down Function
Positive Output Configuration
Buck Topology
Quad Outputs
Four Output Phases
Support for a Wide Voltage Supply Range (4.5V ~ 15V)
Adjustable Switching Frequency from 100kHz to 1.2MHz
Maximum Duty Cycle of 87.5%
Lack of Synchronous Rectifier
Clock Synchronization Capability
Product Advantages
Multiple outputs for complex power supply designs
High-frequency operation for reduced inductor and capacitor sizes
Integrated features like Current Limit and Soft Start for system stability
Power-Good signal for power sequencing
Robust operating temperature range suitable for various environments
Key Technical Parameters
Number of Outputs: 4
Output Phases: 4
Voltage Supply (Vcc/Vdd): 4.5V ~ 15V
Frequency Switching: 100kHz ~ 1.2MHz
Duty Cycle (Max): 87.5%
Operating Temperature: -40°C ~ 85°C (TA)
Quality and Safety Features
Current limit for overcurrent protection
Soft Start to minimize inrush current
Thermal shutdown protection
Under voltage lockout (UVLO)
Compatibility
Compatible with various applications requiring multiple regulated voltages
Suitable for use with a wide range of external components
Application Areas
Computing Systems
Networking Equipment
Telecommunications
Industrial Electronics
Product Lifecycle
Active Product Status
No reported discontinuation
Availability of replacements or upgrades to be ascertained from manufacturer directly
Several Key Reasons to Choose This Product
High integration reduces component count and board space requirements
Customizable switching frequency for tailored performance
Quad independent outputs for versatile power solutions
Proven reliability and performance from Texas Instruments
Extensive support and design resources from manufacturer's website