MCP2004T-E/MD LINbus Transceiver Equivalent & Substitute Parts

Part Overview

The MCP2004T-E/MD is a 1/1 half-duplex LINbus transceiver manufactured by Microchip Technology, housed in an 8-DFN (4x4) surface mount package with exposed pad. This interface IC operates across a 6V to 27V supply voltage range and supports operating temperatures from -40°C to 125°C. The part is designated as Last Time Buy status, indicating discontinued production with limited availability. Identifying equivalent and substitute parts is necessary to ensure design continuity and secure long-term component supply for applications requiring LINbus communication.

Substiute Parts

MCP2004T-E/MD

Microchip TechnologyIn Stock: 1216MCP2004T-E/MD Datasheet

Current PartRFQ

ATA663211-GBQW

Microchip TechnologyIn Stock: 15812ATA663211-GBQW Datasheet

MFR RecommendedRFQ

MCP2003BT-E/MF

Microchip TechnologyIn Stock: 1149MCP2003BT-E/MF Datasheet

MFR RecommendedRFQ

MCP2004AT-E/MD

Microchip TechnologyIn Stock: 1137MCP2004AT-E/MD Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MCP2004T-E/MD is determined by the following critical parameters: LINbus protocol compatibility, 1/1 driver/receiver configuration, half-duplex operation, 175 mV receiver hysteresis, 8-VDFN exposed pad package type, surface mount mounting, and supply voltage range overlap. The substitute parts are grouped into two categories based on their relationship to the main part:

Parametric Equivalent: MCP2004AT-E/MD shares identical electrical specifications and package dimensions (8-DFN 4x4), differing only in part status (Active vs. Last Time Buy).

Manufacturer Recommended Substitutes: ATA663211-GBQW and MCP2003BT-E/MF are functionally compatible LINbus transceivers with 1/1 configuration and half-duplex operation. These parts accommodate the main part's supply voltage range and operating temperature requirements within their respective specifications, though package dimensions and additional features vary.

Parameter Comparison

Engineering Selection Recommendations

MCP2004AT-E/MD is the primary direct replacement for MCP2004T-E/MD. Both parts maintain identical electrical parameters, package dimensions (8-DFN 4x4), and thermal specifications. The distinction is part status: MCP2004AT-E/MD is Active production, ensuring long-term availability and supply chain stability. This part is suitable for new designs and production continuity without PCB layout modifications.

ATA663211-GBQW is a manufacturer-recommended substitute with extended operating temperature range (-40°C to 150°C) and broader supply voltage tolerance (5V to 28V). The package footprint differs (8-VDFN 3x3 versus 4x4), requiring PCB layout adjustment. This part includes Functional Safety (FuSa) series designation and wettable flank mounting feature. Moisture sensitivity is elevated to MSL 3, requiring controlled storage conditions (168-hour limit after bag opening). Selection is appropriate for applications requiring enhanced temperature performance or functional safety compliance.

MCP2003BT-E/MF is a functionally compatible alternative with extended supply voltage range (5.5V to 30V) and specified data rate of 20 kBaud. Package dimensions (8-DFN 3x3) differ from the main part, necessitating PCB redesign. MSL rating of 1 (Unlimited) matches the main part's moisture handling requirements. This part is suitable for applications where package size reduction is acceptable and supply voltage headroom is beneficial.

All substitute parts maintain ROHS3 compliance and REACH unaffected status, consistent with the main part's regulatory standing.

Frequently Asked Questions (FAQ)

Q: Can MCP2004AT-E/MD be used as a direct drop-in replacement for MCP2004T-E/MD?

A: Yes. MCP2004AT-E/MD is a parametric equivalent with identical electrical specifications, receiver hysteresis (175 mV), supply voltage range (6V to 27V), operating temperature (-40°C to 125°C), and package dimensions (8-DFN 4x4). No PCB modifications are required. The only difference is part status: MCP2004AT-E/MD is Active production while MCP2004T-E/MD is Last Time Buy.

Q: What are the package dimension differences between substitute parts?

A: MCP2004T-E/MD and MCP2004AT-E/MD use 8-DFN (4x4) packages. ATA663211-GBQW and MCP2003BT-E/MF use smaller 8-DFN (3x3) packages. Package footprint differences require PCB layout modifications if switching to the 3x3 variants. All parts use 8-VDFN exposed pad configuration.

Q: Does ATA663211-GBQW require different handling procedures?

A: Yes. ATA663211-GBQW has MSL 3 (168-hour limit) compared to MSL 1 (Unlimited) for the main part. This requires controlled storage conditions and limits the time the component can remain outside sealed packaging after bag opening. MCP2004T-E/MD and MCP2003BT-E/MF have MSL 1 and do not have this restriction.

Q: What is the supply voltage overlap between all parts?

A: The common supply voltage range across all four parts is 6V to 27V. MCP2004T-E/MD and MCP2004AT-E/MD specify exactly 6V to 27V. ATA663211-GBQW extends to 5V minimum and 28V maximum. MCP2003BT-E/MF extends to 5.5V minimum and 30V maximum. Applications operating within 6V to 27V are compatible with all substitutes.

Q: Are all substitute parts LINbus protocol compatible?

A: Yes. All substitute parts (MCP2004AT-E/MD, ATA663211-GBQW, and MCP2003BT-E/MF) are LINbus transceivers with 1/1 driver/receiver configuration. All maintain 175 mV receiver hysteresis specification, ensuring signal integrity consistency across substitutions.

Q: What is the temperature operating range difference?

A: MCP2004T-E/MD, MCP2004AT-E/MD, and MCP2003BT-E/MF operate from -40°C to 125°C. ATA663211-GBQW extends the upper limit to 150°C, providing 25°C additional thermal margin. Applications requiring extended high-temperature operation should consider ATA663211-GBQW.

Q: Is PCB redesign mandatory when switching to ATA663211-GBQW or MCP2003BT-E/MF?

A: Yes. Both ATA663211-GBQW and MCP2003BT-E/MF use 8-DFN (3x3) packages, which have different footprints than the 8-DFN (4x4) used by MCP2004T-E/MD and MCP2004AT-E/MD. PCB layout modifications are required. MCP2004AT-E/MD requires no PCB changes.