LM2724AMX Half-Bridge Gate Driver IC Equivalent & Substitute Parts

Part Overview

The LM2724AMX is a half-bridge gate driver IC manufactured by Texas Instruments, designed for driving N-channel MOSFETs in synchronous half-bridge configurations. This device is classified as a Power Management (PMIC) component and is packaged in an 8-SOIC surface mount package.

The LM2724AMX carries an Obsolete product status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production requirements for applications utilizing this gate driver topology.

Substiute Parts

LM2724AMX

Texas InstrumentsIn Stock: 2394LM2724AMX Datasheet

Current PartRFQ

LM2724AMX/NOPB

Texas InstrumentsIn Stock: 3944LM2724AMX/NOPB Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the LM2724AMX is determined by strict equivalence across the following critical parameters:

• Driven Configuration: Half-Bridge topology
• Number of Drivers: 2 channels
• Gate Type: N-Channel MOSFET
• Supply Voltage Range: 4.3V ~ 6.8V
• Peak Output Current: 3A source, 3.2A sink
• Input Type: Non-Inverting
• Bootstrap Voltage Rating: 28V maximum
• Package Type: 8-SOIC surface mount
• Rise / Fall Time Performance: 17ns rise, 12ns fall (typical)
• Operating Temperature Range: -40°C ~ 125°C

The LM2724AMX/NOPB qualifies as a direct substitute based on identical electrical specifications and compatible packaging. The primary distinction is product status and compliance certification.

Parameter Comparison

Engineering Selection Recommendations

The LM2724AMX/NOPB is the qualified substitute for the obsolete LM2724AMX. Selection between these parts should be based on the following criteria:

LM2724AMX/NOPB is preferred when:

• Active product status and long-term availability are required
• ROHS3 compliance is mandated by design or regulatory requirements
• Tape & Reel packaging format is compatible with assembly processes
• New production builds or design revisions are planned

LM2724AMX may be considered only when:

• Existing inventory must be consumed
• RoHS non-compliance is acceptable for the application
• Bulk packaging format is operationally suitable
• No regulatory or contractual RoHS requirements apply

Both parts maintain identical electrical performance and pin-compatible 8-SOIC packaging, ensuring functional interchangeability at the circuit level.

Frequently Asked Questions (FAQ)

Q: Can LM2724AMX/NOPB be used as a direct replacement for LM2724AMX in existing designs?

A: Yes. The LM2724AMX/NOPB is electrically and mechanically identical to the LM2724AMX. All electrical parameters, pin assignments, and package dimensions are equivalent. The primary differences are product status (Active vs. Obsolete) and RoHS compliance certification.

Q: What is the significance of the "/NOPB" suffix in LM2724AMX/NOPB?

A: The "/NOPB" suffix indicates "No Plumbum" (lead-free) packaging and denotes ROHS3 compliance. This variant meets lead-free soldering requirements and environmental regulations applicable to electronic components.

Q: Are there any performance differences between LM2724AMX and LM2724AMX/NOPB?

A: No. Both parts deliver identical electrical performance. Rise time, fall time, output current ratings, supply voltage range, and all other functional parameters are equivalent.

Q: What packaging formats are available for these parts?

A: LM2724AMX is supplied in bulk packaging. LM2724AMX/NOPB is supplied in Tape & Reel (TR) format, which is standard for automated assembly processes.

Q: Why is the LM2724AMX marked as Obsolete?

A: The LM2724AMX has reached end-of-life status. Texas Instruments has transitioned production to the LM2724AMX/NOPB variant, which incorporates lead-free compliance and maintains active product support.

Q: Can both parts be used interchangeably in the same PCB assembly?

A: Yes, provided that the assembly process and packaging format are compatible. The 8-SOIC package dimensions are identical, and pin assignments are equivalent. Verify that your pick-and-place equipment can handle the packaging format (bulk vs. Tape & Reel).

Q: What is the bootstrap voltage rating, and why is it important?

A: The maximum bootstrap voltage is 28V. This rating defines the maximum voltage that can be applied to the high-side gate driver circuit. Exceeding this limit may cause device damage. Ensure your half-bridge topology respects this constraint.

Q: Are there any supply voltage considerations when substituting these parts?

A: No. Both parts operate within the identical supply voltage range of 4.3V ~ 6.8V. Verify that your power supply design maintains this range under all operating conditions.