PCA9515APWRG4 Equivalent & Substitute Parts

Part Overview

The PCA9515APWRG4 is a 2-channel I2C buffer and redriver IC manufactured by Texas Instruments, designed for 2-wire bus applications with a maximum data rate of 400kHz. This component is classified as discontinued at DiGi Electronics, necessitating identification of equivalent substitute parts for ongoing production and maintenance applications. The part is housed in an 8-TSSOP package and operates across a supply voltage range of 2.3V to 3.6V with a maximum supply current of 500µA.

Substiute Parts

PCA9515APWRG4

Texas InstrumentsIn Stock: 1061PCA9515APWRG4 Datasheet

Current PartRFQ

PCA9515BDGKR

Texas InstrumentsIn Stock: 18370PCA9515BDGKR Datasheet

MFR RecommendedRFQ

PCA9515APWR

Texas InstrumentsIn Stock: 32216PCA9515APWR Datasheet

Parametric EquivalentRFQ

PCA9515APWT

Texas InstrumentsIn Stock: 1546PCA9515APWT Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PCA9515APWRG4 is determined by strict equivalence across the following critical parameters:

• Functional Type: Buffer, ReDriver for I2C applications
• Channel Configuration: 2-channel 2-wire bus interface
• Data Rate: 400kHz maximum
• Electrical Specifications: Supply voltage 2.3V ~ 3.6V, supply current 500µA, input capacitance 7 pF
• Operating Temperature Range: -40°C ~ 85°C
• Compliance: ROHS3 Compliant, REACH Unaffected
• Base Product Number: PCA9515 series

Substitute parts are grouped into two categories: MFR Recommended (active product status) and Parametric Equivalents (alternative packaging or lifecycle status).

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: PCA9515BDGKR

The PCA9515BDGKR is the MFR recommended substitute with Active product status. This part maintains full electrical and functional equivalence to the PCA9515APWRG4 across all critical parameters. The primary distinction is packaging format: the PCA9515BDGKR is supplied in Cut Tape (CT) and Digi-Reel® formats with an 8-VSSOP package variant (0.118", 3.00mm Width) in addition to 8-MSOP compatibility. Both ROHS3 compliance and MSL 1 ratings are maintained. This part is actively manufactured and stocked, providing supply continuity for new production and maintenance applications.

Secondary Recommendation: PCA9515APWR

The PCA9515APWR is a parametric equivalent with identical electrical specifications and 8-TSSOP package matching. This part carries a "Not For New Designs" status, indicating it remains available but is not recommended for new product development. It is suitable for legacy system maintenance and repair where existing PCB layouts require the 8-TSSOP form factor. Inventory availability is substantial at 32,200 pieces.

Tertiary Option: PCA9515APWT

The PCA9515APWT is classified as Obsolete with limited inventory (1,468 pieces). This part maintains full parametric equivalence but should be selected only when existing stock of PCA9515BDGKR or PCA9515APWR is unavailable and legacy system support is critical.

Frequently Asked Questions (FAQ)

Q: Can PCA9515BDGKR be used as a direct replacement for PCA9515APWRG4?

A: Yes. The PCA9515BDGKR is electrically and functionally equivalent across all specified parameters: 2-channel I2C buffer/redriver, 400kHz data rate, 2.3V ~ 3.6V supply voltage, 500µA supply current, -40°C ~ 85°C operating temperature, and identical compliance certifications. The primary difference is packaging format and active product status.

Q: What is the difference between 8-TSSOP and 8-VSSOP packages?

A: Both are surface-mount packages with 8 pins. The 8-TSSOP measures 0.173" (4.40mm) in width, while the 8-VSSOP measures 0.118" (3.00mm) in width. The 8-VSSOP is a more compact variant. PCB layout and footprint compatibility must be verified before substitution.

Q: Why is PCA9515APWRG4 discontinued?

A: The discontinuation status indicates that Texas Instruments has ceased production of this specific part number variant. The PCA9515 base product line remains active through alternative part numbers such as PCA9515BDGKR.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts (PCA9515BDGKR, PCA9515APWR, PCA9515APWT) maintain ROHS3 compliance and REACH Unaffected status, matching the original PCA9515APWRG4 specifications.

Q: Which substitute should be selected for new product designs?

A: PCA9515BDGKR is the appropriate selection for new designs, as it carries Active product status and is actively manufactured by Texas Instruments. PCA9515APWR and PCA9515APWT are not recommended for new designs due to their lifecycle status.

Q: Is there a difference in electrical performance between the substitute parts?

A: No. All substitute parts maintain identical electrical specifications: supply voltage range, supply current, input capacitance, data rate, operating temperature range, and functional characteristics. Differences are limited to packaging format, product lifecycle status, and availability.