LP87322ERHDRQ1

Overview

The LP87322ERHDRQ1 is an automotive-grade PMIC designed for TDA3x processors. It integrates two high-current 2-A buck converters and two linear regulators. The device supports DDR3L power sequencing and features I2C control with spread-spectrum clock generation. Input voltage ranges from 2.8 V to 5.5 V, with adjustable outputs from 700 mV to 3.6 V. It operates between -40°C and +125°C in a 28-pin VQFN package.

Feature Summary

• Integrates dual 2-A step-down DC/DC converters and dual linear regulators for comprehensive power management.
• Supports advanced power sequencing and I2C serial interface control for system integration.
• Includes spread-spectrum clock generation capability to minimize electromagnetic interference.
• Features thermal shutdown and under-voltage lockout for enhanced operational reliability.

Applications

• Powering TDA3x automotive processors
• DDR3L memory subsystem regulation
• Automotive radar and camera systems

Procurement Notes

Verify the specific suffix ERHDRQ1 against the official Texas Instruments datasheet to confirm pinout and electrical specifications. Ensure the component meets AEC-Q100 qualification requirements for your target automotive application environment before finalizing procurement.

Selection Notes

Select this component when designing for TDA3x processor platforms requiring integrated buck and LDO solutions. Consider its 2-A output current capability and I2C controllability. Verify that the 28-VQFN package fits the board layout constraints and that the input voltage range matches the system supply rails.

Part Context

This part belongs to the LP8732 series of automotive PMICs. It is specifically optimized for complex SoC power domains. The device consolidates multiple discrete regulators into a single IC, reducing component count and board space while maintaining high efficiency and precise voltage regulation for sensitive digital loads.

Replacement Considerations

Consult the official TI substitution guide for verified alternatives. Cross-reference pinouts and electrical parameters carefully. Generic replacements may not support the specific TDA3x power sequencing requirements or I2C configuration options.