ISL6504CBN-T Equivalent & Substitute Parts

Part Overview

The ISL6504CBN-T is a Power Supply Controller manufactured by Renesas Electronics Corporation, designed for power supply control and monitoring applications. This device is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing system support and new designs. The 16-SOIC package configuration and specific electrical characteristics define the substitution criteria for this component category.

Substiute Parts

ISL6504CBN-T

Renesas Electronics CorporationIn Stock: 881ISL6504CBN-T Datasheet

Current PartRFQ

DM7308G-65512-B1

Bel Power SolutionsIn Stock: 840DM7308G-65512-B1 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ISL6504CBN-T is determined by the following critical parameters:

• Functional Category: Power Management (PMIC) / Power Supply Controller
• Supply Voltage Range: 4.75V ~ 5.25V operational requirement
• Current Consumption: 17 mA maximum supply current
• Package Type: Surface mount configuration
• Operating Temperature Range: 0°C ~ 70°C minimum specification
• Application Compatibility: Power Supply Controller/Monitor functionality

The identified substitute part DM7308G-65512-B1 operates within a different voltage domain (3V ~ 3.6V) and package format (64-QFN), indicating functional divergence from the original ISL6504CBN-T specification. Substitution feasibility requires verification of system-level voltage compatibility and PCB layout accommodation for the alternative package geometry.

Parameter Comparison

Engineering Selection Recommendations

The DM7308G-65512-B1 presents an active product status alternative to the obsolete ISL6504CBN-T. However, direct substitution requires system-level evaluation:

• Voltage Domain Mismatch: The substitute operates at 3V ~ 3.6V versus the original 4.75V ~ 5.25V specification. System power architecture must accommodate this voltage differential.
• Package Geometry Change: Migration from 16-SOIC to 64-QFN requires PCB redesign and layout modification.
• Compliance Advantage: The DM7308G-65512-B1 achieves ROHS3 compliance, addressing regulatory requirements unmet by the RoHS non-compliant ISL6504CBN-T.
• Temperature Range Extension: The substitute supports -40°C ~ 85°C operation, exceeding the original 0°C ~ 70°C specification.
• Supply Current Reduction: Lower supply current (12 mA versus 17 mA) provides marginal power efficiency improvement.

Frequently Asked Questions (FAQ)

Q: Can the DM7308G-65512-B1 directly replace the ISL6504CBN-T without circuit modification?

A: No. The voltage supply range differs significantly (3V ~ 3.6V versus 4.75V ~ 5.25V), and the package format changes from 16-SOIC to 64-QFN. Both circuit design and PCB layout modifications are required.

Q: What is the primary reason for seeking substitutes for the ISL6504CBN-T?

A: The ISL6504CBN-T is classified as obsolete. The DM7308G-65512-B1 offers active product status and improved regulatory compliance (ROHS3).

Q: Are there package compatibility considerations between these parts?

A: Yes. The ISL6504CBN-T uses a 16-SOIC package (0.154", 3.90mm width), while the DM7308G-65512-B1 uses a 64-VFQFN exposed pad package. These are not pin-compatible, and PCB redesign is necessary.

Q: How do the operating temperature ranges compare?

A: The ISL6504CBN-T operates from 0°C ~ 70°C. The DM7308G-65512-B1 extends this to -40°C ~ 85°C, providing broader environmental coverage.

Q: What compliance differences exist between these parts?

A: The ISL6504CBN-T is RoHS non-compliant with MSL 1. The DM7308G-65512-B1 is ROHS3 compliant with MSL 3 (168 hours), meeting modern regulatory standards.