TC54VC2902EZB Equivalent & Substitute Parts

Part Overview

The TC54VC2902EZB is a single-channel power supply supervisor IC manufactured by Microchip Technology, designed for simple reset and power-on reset applications. This device operates as a push-pull, totem pole output supervisor with a 2.9V voltage threshold and active-low reset functionality. The component is currently classified as obsolete, making equivalent substitute parts necessary for ongoing system support and new design implementations. The MCP112-290E/TO serves as the manufacturer-recommended replacement, offering identical functional specifications with active product status.

Substiute Parts

TC54VC2902EZB

Microchip TechnologyIn Stock: 1983TC54VC2902EZB Datasheet

Current PartRFQ

MCP112-290E/TO

Microchip TechnologyIn Stock: 1731MCP112-290E/TO Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TC54VC2902EZB is determined by strict alignment of the following critical parameters:

• Voltage Threshold: 2.9V (exact match required)
• Number of Voltages Monitored: 1 channel
• Output Configuration: Push-Pull, Totem Pole
• Reset Logic: Active Low
• Package / Case: TO-226-3, TO-92-3 (TO-226AA)
• Mounting Type: Through Hole

The MCP112-290E/TO meets all substitution criteria. Both devices share identical functional specifications, threshold voltage, output topology, and physical packaging. The primary distinction is product status: the TC54VC2902EZB is obsolete, while the MCP112-290E/TO maintains active manufacturing status.

Parameter Comparison

Engineering Selection Recommendations

The MCP112-290E/TO is the direct functional equivalent and manufacturer-recommended substitute for the TC54VC2902EZB. Both devices are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements. The MCP112-290E/TO provides an extended operating temperature range (-40°C ~ 125°C versus -40°C ~ 85°C), offering improved thermal performance margins in applications requiring higher temperature operation. As an active product with current manufacturing support, the MCP112-290E/TO ensures long-term availability and supply chain continuity. Selection should be based on application temperature requirements and supply availability.

Frequently Asked Questions (FAQ)

Q: Can the MCP112-290E/TO directly replace the TC54VC2902EZB in existing designs?

A: Yes. Both devices share identical voltage threshold (2.9V), output configuration (push-pull, totem pole), reset logic (active low), and physical packaging (TO-92-3). Direct pin-for-pin substitution is supported without circuit modification.

Q: What is the primary reason for substitution?

A: The TC54VC2902EZB is classified as obsolete. The MCP112-290E/TO maintains active product status with current manufacturing support, ensuring component availability for new production and field replacements.

Q: Are there temperature range differences between these devices?

A: Yes. The TC54VC2902EZB operates from -40°C to 85°C, while the MCP112-290E/TO extends to -40°C to 125°C. Applications requiring operation above 85°C benefit from the MCP112-290E/TO's extended range.

Q: Do both devices meet current compliance standards?

A: Yes. Both the TC54VC2902EZB and MCP112-290E/TO are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements.

Q: Is the package identical between these parts?

A: Yes. Both devices use the TO-226-3, TO-92-3 (TO-226AA) through-hole package, enabling direct mechanical and electrical substitution without PCB redesign.