TPS40057PWPRG4

DC DC Switching Controllers Overview

The TPS40057PWPRG4 is a wide-input synchronous buck controller from Texas Instruments, designed for high-voltage DC-DC conversion applications. It operates with an input voltage range of 8V to 52V and supports switching frequencies up to 1MHz. The device features a 16-HTSSOP package and includes integrated soft-start, under-voltage lockout (UVLO), frequency control, and current limit functions. It offers a maximum duty cycle of 94% and is rated for operation between -40°C and +85°C.

DC DC Switching Controllers Feature Summary

• Supports wide input voltage ranges suitable for industrial power systems
• Enables flexible design through user-programmable parameters including frequency and compensation
• Integrates protection mechanisms such as current limiting and soft-start functionality

DC DC Switching Controllers Applications

• Industrial power supply modules
• Telecommunications equipment power distribution
• Point-of-load regulation in server infrastructure

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'RG4' indicates RoHS compliance and lead time requirements against the manufacturer's latest documentation. Confirm package availability and moisture sensitivity level handling procedures during assembly to ensure component integrity throughout the manufacturing process.

DC DC Switching Controllers Selection Notes

Select this controller for designs requiring high input voltages and adjustable switching frequencies. Ensure external MOSFET selection matches the drive capabilities and thermal requirements. Validate loop compensation components to maintain stability across the specified operating temperature range and load conditions.

DC DC Switching Controllers Part Context

This component belongs to the TPS4005x family of synchronous buck controllers, which are optimized for high-efficiency power conversion. The family shares common architectural features but varies in input voltage ranges and specific feature sets to address diverse application needs within industrial and commercial sectors.

DC DC Switching Controllers Replacement Considerations

Check for direct pin-compatible alternatives within the same product family or newer revisions. Verify that any substitute maintains identical electrical characteristics and package dimensions to ensure seamless integration without redesigning the PCB layout.