LM5110-1MX Low-Side Gate Driver IC Equivalent & Substitute Parts

Part Overview

The LM5110-1MX is a low-side gate driver IC manufactured by Texas Instruments, designed for driving N-channel MOSFETs in power management applications. This component operates as a non-inverting driver with independent dual-channel configuration, suitable for applications requiring precise gate control in power conversion circuits.

The LM5110-1MX carries an obsolete product status, making identification of functionally equivalent alternatives essential for ongoing design support and production continuity. Direct substitutes with active product status and improved compliance certifications are available to ensure long-term component availability and regulatory alignment.

Substiute Parts

LM5110-1MX

Texas InstrumentsIn Stock: 3698LM5110-1MX Datasheet

Current PartRFQ

LM5110-1MX/NOPB

Texas InstrumentsIn Stock: 20121LM5110-1MX/NOPB Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LM5110-1MX is determined by strict equivalence across the following critical parameters:

• Driven Configuration: Low-Side operation only
• Channel Configuration: Independent dual-channel topology
• Gate Drive Capability: N-channel MOSFET gate driving with 3A source / 5A sink output current
• Supply Voltage Range: 4.6V to 14V operation
• Logic Input Levels: VIL 0.8V, VIH 2.2V non-inverting input
• Timing Characteristics: Rise time 14ns, fall time 12ns
• Package Compatibility: 8-SOIC surface mount form factor with 3.90mm width
• Temperature Range: -40°C to 125°C junction temperature rating

The LM5110-1MX/NOPB represents the direct equivalent substitute, maintaining identical electrical specifications and mechanical compatibility while offering active product status and improved regulatory compliance.

Parameter Comparison

Engineering Selection Recommendations

The LM5110-1MX/NOPB is the direct functional equivalent for the obsolete LM5110-1MX. Selection of the substitute part is based on the following engineering criteria:

Product Status: The LM5110-1MX carries obsolete designation, limiting long-term availability and support. The LM5110-1MX/NOPB maintains active product status, ensuring continued supply chain access and manufacturer support.

Regulatory Compliance: The LM5110-1MX/NOPB achieves ROHS3 compliance, whereas the original part is RoHS non-compliant. This compliance improvement aligns with current environmental and regulatory requirements for electronic components in most markets.

Electrical and Mechanical Equivalence: Both parts maintain identical specifications across all critical parameters including supply voltage range, output current ratings, timing characteristics, logic input levels, and package form factor. Direct pin-for-pin and functional compatibility is established.

Packaging and Handling: Both parts share identical MSL rating (1 - Unlimited) and REACH status, ensuring equivalent handling and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can the LM5110-1MX/NOPB be used as a direct replacement for the LM5110-1MX?

A: Yes. The LM5110-1MX/NOPB is electrically and mechanically equivalent to the LM5110-1MX. All functional parameters, output characteristics, and package specifications are identical. Direct substitution is supported without circuit modification.

Q: What is the significance of the "/NOPB" suffix in the part number?

A: The "/NOPB" suffix indicates lead-free (Pb-free) packaging and RoHS3 compliance. This designation reflects the manufacturing process and environmental compliance status of the component.

Q: Are there any differences in pin configuration between these parts?

A: No. Both the LM5110-1MX and LM5110-1MX/NOPB use the 8-SOIC package with identical pinout. Pin-for-pin compatibility is maintained.

Q: Why is the original LM5110-1MX marked as obsolete?

A: Obsolete designation indicates the manufacturer has discontinued active production and support. The LM5110-1MX/NOPB represents the current active equivalent, ensuring ongoing availability and manufacturer backing.

Q: Are the supply voltage and output current specifications identical?

A: Yes. Both parts operate across the 4.6V to 14V supply range with identical peak output current ratings of 3A source and 5A sink. Logic input thresholds and timing characteristics are also identical.

Q: What is the impact of RoHS3 compliance on component selection?

A: RoHS3 compliance of the LM5110-1MX/NOPB ensures the part meets current environmental regulations in most markets. For applications subject to RoHS requirements, the compliant substitute is the appropriate selection.