FDG6323L-F169 Equivalent & Substitute Parts

Part Overview

The FDG6323L-F169 is a Power Management IC (PMIC) power driver designed for P-Channel high-side switching applications. Manufactured by onsemi, this component operates as a 1:1 power switch/driver in a compact SC-70-6 surface mount package. The device is classified as obsolete, making identification of suitable substitute components essential for ongoing design support and production continuity. Substitutes must maintain electrical compatibility across voltage ratings, output configuration, and thermal operating range while accommodating the same or compatible package footprints.

Substiute Parts

FDG6323L-F169

onsemiIn Stock: 1194FDG6323L-F169 Datasheet

Current PartRFQ

NTJD1155LT1G

onsemiIn Stock: 41496NTJD1155LT1G Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the FDG6323L-F169 is determined by the following critical parameters:

Package Compatibility: The substitute must support the SC-88/SC-70-6/SOT-363 package footprint to ensure direct board-level compatibility without layout redesign.

Electrical Configuration: The substitute must provide P-Channel and N-Channel MOSFET functionality in a single package to maintain the 1:1 driver configuration and high-side switching capability.

Voltage Ratings: Load voltage range of 2.5V ~ 8V and supply voltage range of 1.5V ~ 8V establish the minimum voltage specifications the substitute must support.

On-Resistance: The Rds On specification of 410mOhm (typical) defines the maximum acceptable channel resistance for equivalent switching performance.

Thermal Range: Operating temperature range of -55°C ~ 150°C (TJ) must be maintained to ensure reliability across the intended application environment.

Product Availability: The substitute must have active product status to ensure long-term supply chain viability and manufacturing support.

Parameter Comparison

Engineering Selection Recommendations

The NTJD1155LT1G is the qualified substitute for the FDG6323L-F169 based on the following engineering criteria:

Package Compatibility: Both components utilize the SC-88/SC-70-6/SOT-363 package, enabling direct board-level substitution without PCB layout modifications.

Voltage Specification Alignment: The NTJD1155LT1G supports 8V Drain to Source voltage, which encompasses the FDG6323L-F169 load voltage range of 2.5V ~ 8V. Supply voltage compatibility is maintained across the specified operating range.

On-Resistance Performance: The NTJD1155LT1G exhibits superior on-resistance characteristics (175mOhm maximum) compared to the FDG6323L-F169 (410mOhm typical), resulting in reduced power dissipation and improved thermal performance.

Thermal Operating Range: Identical operating temperature range (-55°C ~ 150°C TJ) ensures equivalent reliability and performance across all environmental conditions.

Product Status and Compliance: The NTJD1155LT1G maintains active product status with ROHS3 compliance, ensuring long-term availability and regulatory alignment. The obsolete status of the FDG6323L-F169 necessitates this substitution for production continuity.

Functional Capability: The NTJD1155LT1G provides integrated N-Channel and P-Channel MOSFET functionality within a single package, supporting the high-side switching and driver configuration required by the original design.

Frequently Asked Questions (FAQ)

Q: Can the NTJD1155LT1G be used as a direct drop-in replacement for the FDG6323L-F169?

A: Yes. Both components share identical package specifications (SC-88/SOT-363), matching voltage ratings within the specified range, and equivalent thermal operating parameters. No PCB layout modifications are required.

Q: What are the key differences between these components?

A: The primary differences are product status (obsolete vs. active), on-resistance performance (410mOhm vs. 175mOhm), and regulatory compliance (ROHS3 certification on the substitute). The NTJD1155LT1G provides superior electrical performance with lower channel resistance.

Q: Are there any circuit design considerations when substituting these parts?

A: The lower on-resistance of the NTJD1155LT1G may reduce power dissipation in the switching element. Verify that thermal management and current handling remain within design specifications. No changes to gate drive circuitry or control logic are required.

Q: Does the NTJD1155LT1G support the same voltage operating range?

A: The NTJD1155LT1G supports 8V Drain to Source voltage, which fully encompasses the FDG6323L-F169 load voltage range of 2.5V ~ 8V. Supply voltage compatibility is maintained across both components' specified ranges.

Q: What is the inventory status of the substitute part?

A: The NTJD1155LT1G has 41,400 pieces in new original stock, providing robust supply chain availability compared to the obsolete FDG6323L-F169.

Q: Are there any compliance or certification differences?

A: The NTJD1155LT1G is ROHS3 compliant, supporting modern regulatory requirements. Both components are REACH unaffected and carry EAR99 ECCN classification.