TPS60403QDBVRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The TPS60403QDBVRQ1 is an automotive-qualified, inductorless charge pump voltage inverter manufactured by Texas Instruments. It operates within an input voltage range of 1.8 V to 5.25 V and delivers a maximum output current of 60 mA. The device generates negative output voltages ranging from -1.6 V to -5.25 V. It features a fixed switching frequency of 250 kHz and supports operation across a junction temperature range of -40°C to +125°C. Packaged in a compact SOT-23-5 (SC-74A) surface-mount housing, it is designed for space-constrained applications requiring reliable power inversion.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive-grade reliability certified under AEC-Q100 standards for sustained performance in vehicle environments.
• Inductorless charge pump topology eliminates the need for external magnetic components, reducing board space and electromagnetic interference.
• Integrated shutdown capability allows for effective power management and extended battery life in portable systems.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable medical devices requiring negative bias for analog signal processing
• Automotive infotainment and display driver circuits
• Handheld communication equipment with limited PCB real estate

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the specific order includes the Q1 suffix to confirm automotive qualification status. Ensure compatibility with the required operating temperature range for your specific application environment. Confirm package integrity upon receipt, as the SOT-23-5 form factor is sensitive to mechanical stress during handling and assembly processes.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when negative voltage generation is required without the complexity of inductor-based designs. It is suitable for applications needing moderate current levels up to 60 mA. Consider thermal dissipation requirements given the small package size and high-frequency switching characteristics inherent to charge pump architectures.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the TPS6040x family of charge pumps, which are optimized for low-noise, inductorless voltage inversion. The Q1 designation specifically denotes compliance with automotive quality and reliability standards, distinguishing it from standard commercial variants like the TPS60403DBVR.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other automotive-qualified charge pumps from the same family, such as the TPS60400QDBVRQ1 or TPS60402QDBVRQ1, provided their input/output voltage ranges align with system requirements.