TPS40003DGQRG4

DC DC Switching Controllers Overview

The TPS40003DGQRG4 is a low input voltage synchronous buck controller from Texas Instruments, designed for high-efficiency power conversion. It operates within an input voltage range of 2.25V to 5.5V and supports a switching frequency of 600kHz. The device delivers one output with a voltage range of 700mV to 4V. It functions reliably across an operating temperature range of -40°C to +85°C. The component utilizes a 10-MSOP-PowerPad package and draws a typical quiescent current of 1.5mA.

DC DC Switching Controllers Feature Summary

• Synchronous buck control topology for enhanced efficiency
• Integrated prebias capability for seamless startup
• Low quiescent current operation for improved standby performance

DC DC Switching Controllers Applications

• Point-of-load regulation in portable electronics
• Power management for embedded systems
• Battery-powered device voltage conversion

DC DC Switching Controllers Procurement Notes

Verify the complete part number including the RG4 suffix to ensure correct RoHS compliance and terminal finish specifications. Confirm the specific package variant matches the design requirements. Cross-reference the datasheet revision date to ensure compatibility with latest electrical characteristics. Validate that the intended application falls within the specified input voltage and temperature ranges defined by the manufacturer.

DC DC Switching Controllers Selection Notes

Select this controller for applications requiring low input voltage operation and compact form factors. The MSOP-PowerPad package offers thermal advantages for space-constrained designs. Ensure the external components support the 600kHz switching frequency. Consider the 700mV minimum output voltage when designing for low-voltage digital loads. Verify that the prebias feature aligns with system startup requirements.

DC DC Switching Controllers Part Context

This component belongs to the TPS4000x series of low input voltage synchronous buck controllers. It shares architectural similarities with models like TPS40002 and TPS40005 but is optimized for specific input voltage ranges. The series targets efficient power management in mobile and industrial applications requiring small footprints and high reliability.

DC DC Switching Controllers Replacement Considerations

TPS40002DGQRG4 and TPS40005DGQRG4 are related members of the same family. Verify pinout compatibility and specific electrical parameter differences before substitution. Ensure the replacement part meets the required input voltage and output voltage specifications.