EL7457CS Gate Driver IC - Equivalent & Substitute Parts

Part Overview

The EL7457CS is a high-side or low-side gate driver IC manufactured by Renesas Electronics Corporation, designed for independent control of N-Channel and P-Channel MOSFETs. This 16-SOIC surface mount device operates across a 4.5V to 18V supply range with 2A peak output current capability on both source and sink channels.

The EL7457CS is classified as obsolete, which necessitates identification of active equivalent parts for new designs and ongoing production requirements. The primary substitute maintains identical electrical and mechanical specifications while offering current availability and updated compliance certifications.

Substiute Parts

EL7457CS

Renesas Electronics CorporationIn Stock: 1344EL7457CS Datasheet

Current PartRFQ

EL7457CSZ

Renesas Electronics CorporationIn Stock: 1303EL7457CSZ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the EL7457CS is based on strict equivalence across all critical electrical and mechanical parameters. The substitute part must maintain:

• Identical gate driver configuration (high-side or low-side, independent channels)
• Matching number of drivers (4 channels)
• Equivalent supply voltage range (4.5V ~ 18V)
• Same logic voltage thresholds (VIL 0.8V, VIH 2V)
• Identical peak output current specifications (2A source, 2A sink)
• Matching rise and fall time characteristics (14.6ns, 13ns)
• Compatible package footprint (16-SOIC, 0.154" width)
• Surface mount mounting type

The EL7457CSZ qualifies as a direct substitute based on complete alignment with these parameters. The primary distinction is product status and compliance certification, not functional or electrical capability.

Parameter Comparison

Engineering Selection Recommendations

The EL7457CSZ is the direct functional equivalent of the EL7457CS. Both parts share identical electrical specifications and package footprints, enabling pin-for-pin replacement in existing designs.

Selection between these parts is determined by availability and compliance requirements:

• EL7457CS: Obsolete status limits procurement viability for new production. RoHS non-compliance restricts use in regulated markets and applications subject to environmental directives.

• EL7457CSZ: Active product status ensures ongoing availability and supply chain reliability. ROHS3 compliance satisfies regulatory requirements for consumer electronics, industrial equipment, and applications subject to environmental restrictions. Tube packaging provides standard handling and storage conditions.

For new designs and production continuity, the EL7457CSZ is the appropriate selection. Existing inventory of EL7457CS may be utilized in applications where RoHS compliance is not mandated and supply chain continuity is not a constraint.

Frequently Asked Questions (FAQ)

Q: Can the EL7457CSZ replace the EL7457CS in existing designs?

A: Yes. The EL7457CSZ is a direct substitute with identical electrical and mechanical specifications. No circuit modifications or PCB layout changes are required. Pin configuration, voltage ratings, current capabilities, and timing characteristics are equivalent.

Q: What is the difference between EL7457CS and EL7457CSZ?

A: The parts are electrically and functionally identical. Differences exist in product status (obsolete vs. active), RoHS compliance certification (non-compliant vs. ROHS3 compliant), moisture sensitivity level (MSL 1 vs. MSL 3), and packaging format (unspecified vs. tube).

Q: Why is the EL7457CS classified as obsolete?

A: Obsolete status indicates the manufacturer has discontinued active production and support. This classification necessitates transition to active equivalent parts for ongoing production and new designs.

Q: Are there any package or footprint differences?

A: No. Both parts use the 16-SOIC package with 0.154" (3.90mm) width. PCB footprints are identical, and both are surface mount devices.

Q: What does ROHS3 compliance mean for the EL7457CSZ?

A: ROHS3 compliance certifies that the part meets Restriction of Hazardous Substances Directive requirements, restricting lead, cadmium, mercury, and other hazardous materials. This certification is required for sale in the European Union and many other regulated markets.

Q: Does the MSL rating difference affect usability?

A: Moisture Sensitivity Level (MSL) indicates the maximum time a component can be exposed to moisture before soldering. EL7457CS (MSL 1) has unlimited exposure tolerance. EL7457CSZ (MSL 3) requires soldering within 168 hours of package opening. Standard handling procedures accommodate MSL 3 components in typical manufacturing environments.

Q: Can I use EL7457CS inventory in new production?

A: Use is possible if RoHS compliance is not required and supply chain continuity is not a constraint. For regulated applications or long-term production, transition to EL7457CSZ is recommended.