LP3907SQX-BJXQX/NOPB

Overview

The LP3907SQX-BJXQX/NOPB is a specialized power management IC (PMIC) from Texas Instruments, designed for advanced applications including processors and FPGAs. It integrates two synchronous buck converters and two low-dropout (LDO) regulators within a single package. The device features a 2.1 MHz switching frequency and operates with a supply voltage range of 2.8V to 5.5V. It supports I2C interface control and includes built-in sequencing capabilities. The component is rated for an operating temperature range of -40°C to +85°C and utilizes a 24-WQFN package.

Feature Summary

• Integrates dual high-current synchronous buck converters and dual LDOs in a compact footprint
• Features I2C interface for programmable configuration and monitoring
• Includes internal sequencing logic for controlled power-up and power-down sequences
• Optimized for low quiescent current to enhance system efficiency

Applications

• Advanced application processors
• Field Programmable Gate Arrays (FPGAs)
• Generic portable electronic devices requiring multi-rail power

Procurement Notes

Verify the exact suffix BJXQX against the official datasheet to confirm pinout and thermal pad specifications. Ensure the ordering part number matches the required package variant. Confirm RoHS compliance status through the manufacturer's documentation before finalizing procurement.

Selection Notes

Select this component when a single IC solution is needed to power multiple voltage rails for complex digital systems. It is suitable for designs requiring precise voltage regulation and synchronized power sequencing. Consider the 24-WQFN package size and thermal requirements during PCB layout planning.

Part Context

This part belongs to the LP3907 family of PMICs from Texas Instruments. The family is characterized by its integration of switching regulators and linear regulators. Other variants in the series may differ in package type, such as DSBGA or WQFN, or in specific electrical ratings, but share the core functionality of multi-output power management.

Replacement Considerations

LP3907SQ-PFX6W/NOPB

FAQ

What is the switching frequency of the buck converters?

The buck converters operate at a fixed switching frequency of 2.1 MHz.

Does the device support I2C communication?

Yes, the LP3907SQX-BJXQX/NOPB includes an I2C interface for configuration and monitoring.