TPS62042DRCRG4 Equivalent & Substitute Parts

Part Overview

The TPS62042DRCRG4 is a buck switching regulator IC from Texas Instruments designed for step-down voltage conversion. It delivers a fixed 1.5V output at 1.2A maximum current from a 2.5V to 6V input range, operating at 1.25MHz switching frequency with integrated synchronous rectification. The device is housed in a 10-VFDFN exposed pad package suitable for surface mount applications across industrial and consumer electronics.

The TPS62042DRCRG4 is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives that maintain electrical and mechanical compatibility for ongoing production and repair applications.

Substiute Parts

TPS62042DRCRG4

Texas InstrumentsIn Stock: 833TPS62042DRCRG4 Datasheet

Current PartRFQ

TPS62042DRCR

Texas InstrumentsIn Stock: 3571TPS62042DRCR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TPS62042DRCRG4 is determined by strict equivalence across the following critical parameters:

• Electrical Specifications: Input voltage range (2.5V–6V), fixed output voltage (1.5V), output current rating (1.2A), and switching frequency (1.25MHz) must remain identical
• Topology & Control: Buck topology with synchronous rectification is mandatory
• Package Compatibility: 10-VFDFN exposed pad package with 10-VSON (3x3) footprint ensures PCB-level compatibility
• Environmental & Compliance: Operating temperature range (-40°C to 85°C), RoHS3 compliance, and MSL rating (2, 1 Year) must be maintained
• Mechanical Form Factor: Surface mount configuration with identical pinout and thermal characteristics

The TPS62042DRCR meets all substitution criteria as a direct equivalent, differing only in packaging format (Cut Tape vs. the original reel packaging of the DRCRG4 variant).

Parameter Comparison

Engineering Selection Recommendations

The TPS62042DRCR is the direct functional and electrical equivalent of the TPS62042DRCRG4. Both devices are manufactured by Texas Instruments and share identical electrical specifications, package geometry, and compliance certifications. The primary distinction is product status and packaging format: the TPS62042DRCRG4 is discontinued, while the TPS62042DRCR remains in active production with significantly higher inventory availability (3546 pcs vs. 792 pcs).

From a compliance perspective, both parts maintain ROHS3 compliance and identical moisture sensitivity ratings, ensuring regulatory and environmental compatibility in existing designs. The TPS62042DRCR is suitable for direct substitution in new production runs, repair operations, and design revisions where the original part number is no longer procurable.

Frequently Asked Questions (FAQ)

Q: Can the TPS62042DRCR be used as a direct replacement for the TPS62042DRCRG4 on existing PCBs?

A: Yes. Both parts share identical electrical specifications, pinout, and 10-VFDFN exposed pad package geometry. No circuit modifications or PCB layout changes are required.

Q: What is the difference between the TPS62042DRCRG4 and TPS62042DRCR part numbers?

A: The difference is packaging format. The DRCRG4 variant is supplied on reel packaging, while the DRCR variant is supplied in cut tape format. Electrical performance and package footprint are identical.

Q: Are there any compliance or certification differences between these parts?

A: No. Both parts maintain ROHS3 compliance, identical MSL ratings (2, 1 Year), and equivalent environmental operating ranges (-40°C to 85°C).

Q: Why is the TPS62042DRCRG4 discontinued?

A: The part is discontinued at DiGi Electronics. The TPS62042DRCR remains in active production and is the recommended alternative for ongoing procurement.

Q: What are the critical parameters that define substitution eligibility for this buck regulator?

A: Input voltage range (2.5V–6V), fixed output voltage (1.5V), output current (1.2A), switching frequency (1.25MHz), package type (10-VFDFN), and synchronous rectification capability must all remain constant for valid substitution.

Q: Is the 10-VSON (3x3) package footprint identical between both parts?

A: Yes. Both the TPS62042DRCRG4 and TPS62042DRCR use the same 10-VSON (3x3) footprint, ensuring mechanical and electrical compatibility on the same PCB layout.