Manufacturer Part Number
TPS40004DGQR
Manufacturer
Texas Instruments
Introduction
The TPS40004DGQR is a step-down DC DC switching controller produced by Texas Instruments, designed for power management applications requiring high efficiency and compact design.
Product Features and Performance
Step-Down (Buck) topology for efficient down-conversion of voltage
Supports 1 output phase for single output applications
Wide input voltage range of 2.25V to 5.5V accommodates various supply sources
High-frequency switching at 300kHz enables smaller passive components
Maximum duty cycle of up to 94% for greater efficiency
Integrated synchronous rectifier for reduced power loss
Features current limit, enable, and soft start control functions for improved performance and safety
Operates effectively within a temperature range of -40°C to 85°C
Product Advantages
High efficiency and compact design due to Buck topology and high switching frequency
Flexible power supply compatibility with a broad input voltage range
Improved safety and reliability offered by integrated control features
Suitable for applications demanding high power density and low heat generation
Key Technical Parameters
Number of Outputs: 1
Voltage Supply (Vcc/Vdd): 2.25V ~ 5.5V
Frequency Switching: 300kHz
Duty Cycle (Max): 94%
Quality and Safety Features
Built-in current limit and soft start features protect against overcurrent and allow for gradual ramp-up of output voltage
Compatibility
Compatible with a wide range of input voltages and capable of driving various types of loads within its specifications
Surface Mountable (10-PowerTFSOP, 10-MSOP) for easy integration into circuit designs
Application Areas
Ideal for portable and battery-powered devices
Suitable for a wide array of power management applications where efficiency and compact design are crucial
Product Lifecycle
Noted as "Not For New Designs," indicating it may be nearing discontinuation with possible availability of replacements or upgrades
Several Key Reasons to Choose This Product
High efficiency and performance for power-sensitive applications
Compact design facilitated by high-frequency operation and surface mount package
Broad input voltage range and detailed control features for versatile usage
Reliable operation ensured by quality and safety controls such as current limit and soft start
Though nearing discontinuation, alternatives or upgrades may be offered by Texas Instruments, benefiting long-term support and development efforts
TPS40002DRQTexas Instruments