LP87322FRHDRQ1

Overview

The LP87322FRHDRQ1 is an automotive-grade PMIC designed for TDA3x processors. It integrates two high-efficiency step-down DC/DC converters and two low-dropout linear regulators within a single 28-pin VQFN package. The device operates with an input voltage range of 2.8V to 5.5V, supporting output currents up to 2A for the buck converters. It features I2C control, power sequencing, spread-spectrum clock generation, and thermal protection, ensuring reliable performance in demanding environments from -40°C to +125°C.

Feature Summary

• Integrates dual high-current buck converters and dual LDOs for comprehensive power management
• Supports I2C control interface for flexible configuration and monitoring
• Includes built-in power sequencing and spread-spectrum clock generation capabilities
• Features integrated thermal shutdown and under-voltage lockout protection

Applications

• TDA3x processor power supply systems
• Automotive advanced driver assistance systems (ADAS)
• Automotive infotainment units
• Vehicle camera modules

Procurement Notes

Verify the specific suffix 'FRHD' against the manufacturer's official datasheet to confirm pinout compatibility and internal configuration. Ensure the component meets AEC-Q100 qualification requirements for your target automotive application. Cross-reference the exact part number with authorized distributors to avoid counterfeit components.

Selection Notes

Select this component when designing power architectures for Texas Instruments TDA3x processors requiring integrated buck and LDO outputs. Consider the 28-VQFN package constraints and the 2MHz switching frequency for EMI management. Evaluate the need for I2C programmability versus fixed-output alternatives based on system complexity.

Part Context

This part belongs to the LP8732-Q1 family of specialized power management ICs. It is specifically optimized for Texas Instruments TDA3x applications, providing a compact solution that reduces board space compared to discrete regulator designs. The family focuses on delivering stable power rails for complex digital logic and analog peripherals in automotive environments.

Replacement Considerations

LP873200RHDRQ1 is documented as a parameter-equivalent substitute.