FDG6324L Equivalent & Substitute Parts

Part Overview

The FDG6324L is a power switch/driver IC featuring a single P-channel output configuration rated for 600mA maximum output current. Designed for high-side switching applications, this component operates across a 3V to 20V load voltage range with controlled slew rate functionality. The device is packaged in a 6-TSSOP (SC-88/SOT-363) surface mount package.

The FDG6324L is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity and ensure component availability for new production runs and field replacements.

Substiute Parts

FDG6324L

onsemiIn Stock: 59142FDG6324L Datasheet

Current PartRFQ

NTJD1155LT1G

onsemiIn Stock: 41496NTJD1155LT1G Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the FDG6324L is determined by the following critical parameters:

• Package Compatibility: Identical 6-TSSOP/SC-88/SOT-363 surface mount package
• Output Current Rating: Minimum 600mA continuous drain current capability
• Load Voltage Range: Support for 3V to 20V operating range
• Channel Configuration: P-channel output for high-side switching applications
• On-Resistance: Rds On performance suitable for 600mA switching applications
• Temperature Range: Operating range of -55°C to 150°C

The NTJD1155LT1G qualifies as a substitute based on matching package geometry, surface mount technology, and operating temperature specifications. However, this part features a dual N/P-channel MOSFET array configuration with different electrical characteristics than the single P-channel power switch architecture of the FDG6324L.

Parameter Comparison

Engineering Selection Recommendations

The FDG6324L is obsolete and no longer in active production. The NTJD1155LT1G is an active product from the same manufacturer with identical package geometry and thermal operating range.

Selection of the NTJD1155LT1G as a substitute requires circuit-level evaluation due to architectural differences. The NTJD1155LT1G is a dual-channel MOSFET array rather than a dedicated power switch driver, necessitating design adaptation for applications originally specified for the FDG6324L's single P-channel output configuration.

Both components meet REACH compliance and carry identical moisture sensitivity ratings. The NTJD1155LT1G provides higher current capability (1.3A versus 600mA) and lower on-resistance characteristics, offering potential performance improvements in switching applications within compatible voltage and thermal envelopes.

Frequently Asked Questions (FAQ)

Q: Can the NTJD1155LT1G directly replace the FDG6324L in existing PCB layouts?

A: Yes, both components use identical 6-TSSOP/SC-88/SOT-363 package geometry and pin pitch, enabling direct footprint compatibility. However, internal circuit architecture differs significantly, requiring functional verification before production implementation.

Q: What are the primary electrical differences between these parts?

A: The FDG6324L is a single P-channel power switch with 600mA output current rating. The NTJD1155LT1G is a dual-channel MOSFET array with 1.3A continuous drain current and lower on-resistance (175mOhm maximum versus 370mOhm typical). The NTJD1155LT1G specifies an 8V drain-to-source voltage rating, whereas the FDG6324L load voltage range is 3V to 20V.

Q: Are there compliance or certification concerns with substitution?

A: Both components carry identical REACH compliance status and moisture sensitivity levels. No additional compliance barriers exist for substitution from a regulatory standpoint.

Q: What load voltage range does the NTJD1155LT1G support?

A: The NTJD1155LT1G specifies an 8V maximum drain-to-source voltage rating. Applications requiring the full 3V to 20V load voltage range of the FDG6324L must evaluate whether the 8V Vdss limit is compatible with circuit requirements.

Q: How do the thermal characteristics compare?

A: Both components operate across -55°C to 150°C junction temperature range. The NTJD1155LT1G specifies 400mW maximum power dissipation, providing thermal design guidance for high-current switching scenarios.