LP3907QSQX-JXIP/NOPB

Overview

The LP3907QSQX-JXIP/NOPB is a Texas Instruments automotive-grade PMIC featuring two synchronous buck converters and two LDOs. It operates from a 2.8V to 5.5V supply with an integrated sequencer. The device includes I2C interface for configuration, supports up to 1A and 600mA buck outputs, and 300mA LDO outputs. Operating temperature range is -40°C to 125°C in a 24-WQFN package.

Feature Summary

• Integrates dual synchronous buck converters and dual low-dropout regulators within a single compact package.
• Features an internal power-good sequencer to manage startup and shutdown timing of output rails.
• Includes an I2C serial interface for programmable control and monitoring of regulator parameters.
• Designed for automotive applications with AEC-Q100 qualification and extended temperature range support.

Applications

• Advanced automotive processors
• Field-Programmable Gate Arrays (FPGAs)
• Generic automotive electronic systems

Procurement Notes

Verify the specific suffix 'JXIP' against official Texas Instruments documentation to confirm pinout and functional compatibility. Ensure the order matches the exact package type and thermal characteristics required by the design. Cross-reference the datasheet revision date to ensure all electrical specifications align with current manufacturing standards before finalizing procurement.

Selection Notes

Select this component when a combined solution for switching and linear regulation is required in space-constrained automotive designs. Consider the I2C interface requirements and the need for precise voltage sequencing during system initialization. Evaluate the thermal performance of the 24-WQFN package against the expected load currents to ensure reliable operation within the specified temperature range.

Part Context

This part belongs to the LP3907 family of multi-output power management ICs designed for complex digital loads. It consolidates multiple voltage rails into a single device, reducing board space and component count. The automotive grade variant ensures reliability under harsh environmental conditions typical in vehicle electronics.

Replacement Considerations

LP3907QSQ-JXIP/NOPB is listed as a parameter-equivalent alternative. Verify package dimensions and pin assignments before substitution. Check if any ordering suffix changes affect functionality or compliance status.