LP873200RHDRQ1 Equivalent & Substitute Parts

Part Overview

The LP873200RHDRQ1 is an automotive-grade quad-output power management IC (PMIC) from Texas Instruments, integrating two step-down (buck) regulators and two linear (LDO) regulators in a 28-VQFN package. This device operates at 2MHz switching frequency and supports input voltages from 2.8V to 5.5V, making it suitable for multi-rail power distribution in automotive applications. The part maintains Active product status with AEC-Q100 automotive qualification. Substitute parts are identified when equivalent electrical specifications, package compatibility, and automotive certifications align with the original design requirements.

Substiute Parts

LP873200RHDRQ1

Texas InstrumentsIn Stock: 6065LP873200RHDRQ1 Datasheet

Current PartRFQ

LP873222RHDTQ1

Texas InstrumentsIn Stock: 1430LP873222RHDTQ1 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The LP873222RHDTQ1 qualifies as a parametric equivalent based on the following criteria:

Electrical Equivalence:

• Identical topology: 2 buck regulators + 2 LDO regulators
• Matching output count: 4 outputs
• Identical switching frequency: 2MHz
• Identical supply voltage range: 2.8V ~ 5.5V
• Identical output voltage and current specifications across all four channels
• Identical operating temperature range: -40°C ~ 125°C

Package & Mechanical Compatibility:

• Identical package: 28-VQFN (5x5) with exposed pad
• Identical mounting type: Surface Mount, Wettable Flank
• Pin-compatible footprint

Compliance & Certification:

• Identical automotive grade classification
• Identical AEC-Q100 qualification
• Identical RoHS3 compliance status
• Identical MSL rating: 2 (1 Year)

The substitution is valid for applications requiring identical electrical performance, thermal characteristics, and automotive reliability standards.

Parameter Comparison

Engineering Selection Recommendations

Both the LP873200RHDRQ1 and LP873222RHDTQ1 maintain Active product status with full AEC-Q100 automotive qualification. Selection between these parts should be based on inventory availability and supply chain considerations, as electrical performance, thermal characteristics, and compliance certifications are identical. Both parts satisfy ROHS3 compliance requirements and carry equivalent MSL ratings for moisture-sensitive device handling. The 28-VQFN package with exposed pad ensures thermal performance consistency across both options for multi-rail power distribution applications.

Frequently Asked Questions (FAQ)

Q: Can LP873222RHDTQ1 be used as a direct replacement for LP873200RHDRQ1?

A: Yes. Both parts share identical electrical specifications, output configurations, switching frequency, supply voltage range, operating temperature range, package geometry, and automotive certifications. Pin-to-pin compatibility and footprint compatibility are confirmed.

Q: Are there any differences in output voltage or current ratings?

A: No. Output 1 and Output 2 both deliver 0.7V ~ 3.36V at 2A. Output 3 delivers 0.8V ~ 3.3V at 300mA. Output 4 specifications are identical across both parts.

Q: Do both parts meet automotive qualification requirements?

A: Yes. Both LP873200RHDRQ1 and LP873222RHDTQ1 carry Automotive grade classification and AEC-Q100 qualification, meeting automotive reliability and quality standards.

Q: Is the package footprint identical?

A: Yes. Both parts use the 28-VQFN (5x5) package with exposed pad and Surface Mount, Wettable Flank mounting type. PCB layout and thermal management design remain unchanged.

Q: What is the moisture sensitivity level for both parts?

A: Both parts carry MSL rating 2 with a 1-year floor life, requiring standard moisture control during storage and handling.

Q: Are there supply voltage or temperature range differences?

A: No. Both parts operate across 2.8V ~ 5.5V supply voltage and -40°C ~ 125°C operating temperature range.