TPS40051PWPG4

DC DC Switching Controllers Overview

The TPS40051PWPG4 is a wide-input synchronous buck controller from Texas Instruments, designed for high-efficiency power conversion. It operates with an input voltage range of 8 V to 40 V and supports output currents up to 20 A. The device features a programmable switching frequency between 100 kHz and 1 MHz, allowing optimization for size and efficiency. It utilizes a 16-pin HTSSOP package and functions within a temperature range of -40°C to +85°C. The controller offers a maximum duty cycle of 94% and includes integrated gate drivers for external N-channel MOSFETs.

DC DC Switching Controllers Feature Summary

• Wide input voltage capability supporting 8 V to 40 V operation
• Programmable switching frequency ranging from 100 kHz to 1 MHz
• Integrated high-side and low-side gate drivers for external MOSFETs
• Supports output currents up to 20 A with adjustable current limit

DC DC Switching Controllers Applications

• Industrial point-of-load regulation
• Telecommunications power systems
• Distributed power architectures
• Battery-powered equipment requiring efficient step-down conversion

DC DC Switching Controllers Procurement Notes

Verify the complete part number including the G4 suffix, which indicates lead-free status and RoHS compliance. Confirm the PWP package designation corresponds to the 16-lead HTSSOP footprint required for your PCB layout. Ensure compatibility with your system's thermal management strategy, as the device handles significant power levels. Check for any specific ordering prefixes or suffixes that may affect availability or testing conditions.

DC DC Switching Controllers Selection Notes

Select this component when a wide input voltage range up to 40 V is required for synchronous buck applications. It is suitable for designs needing flexible switching frequency adjustment to optimize magnetic component size. Consider its 20 A current capability for medium-power loads. Evaluate the HTSSOP-16 package constraints against your board space limitations. Compare against similar controllers if lower input voltage ranges suffice for your application.

DC DC Switching Controllers Part Context

This part belongs to the TPS4005x family of synchronous buck controllers from Texas Instruments. It shares architectural similarities with the TPS40050 and TPS40054 but is distinguished by its specific input voltage range and feature set. The family targets industrial and telecom markets requiring robust, high-performance power management solutions.

DC DC Switching Controllers Replacement Considerations

The TPS40051PWP is the non-RoHS equivalent. The TPS40050PWP is a related variant with different input specifications. Verify pinout and electrical characteristics before substituting with other family members.