ISL6269BCRZ Equivalent & Substitute Parts

Part Overview

The ISL6269BCRZ is a Buck Regulator Positive Output Step-Down DC-DC Controller IC manufactured by Renesas Electronics Corporation, designed for power management applications requiring efficient voltage regulation. This 16-QFN (4x4) surface mount device operates as a transistor driver with single-phase buck topology, supporting input voltage ranges from 5V to 25V with switching frequencies between 200kHz and 600kHz.

The ISL6269BCRZ is currently in Active product status with 2202 units available in inventory. Identifying equivalent substitute parts is essential for supply chain continuity, design flexibility, and long-term project sustainability, particularly when the primary part faces availability constraints or end-of-life considerations.

Substiute Parts

ISL6269BCRZ

Renesas Electronics CorporationIn Stock: 2251ISL6269BCRZ Datasheet

Current PartRFQ

ISL6269ACRZ

Renesas Electronics CorporationIn Stock: 1619ISL6269ACRZ Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The ISL6269ACRZ qualifies as a parametric equivalent substitute for the ISL6269BCRZ based on strict alignment across all critical electrical and mechanical parameters that define functional interchangeability within buck regulator controller applications.

Substitution is valid when the following key parameters match identically:

• Topology: Buck (single-phase, positive output step-down configuration)
• Output Type: Transistor Driver
• Voltage Supply Range: 5V ~ 25V
• Switching Frequency Range: 200kHz ~ 600kHz
• Synchronous Rectifier: Yes
• Control Features: Enable, Frequency Control, Phase Control, Power Good
• Package / Case: 16-VQFN Exposed Pad (16-QFN 4x4)
• Mounting Type: Surface Mount
• Operating Temperature Range: -10°C ~ 100°C (TA)
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 3 (168 Hours)

All listed parameters are identical between the main part and substitute, confirming full parametric equivalence for direct replacement in existing designs.

Parameter Comparison

Engineering Selection Recommendations

The ISL6269ACRZ is a direct parametric equivalent to the ISL6269BCRZ for applications requiring buck regulator controller functionality. Both devices are manufactured by Renesas Electronics Corporation and maintain identical electrical specifications, package configuration, and compliance certifications.

The ISL6269BCRZ is recommended as the primary selection due to its Active product status and higher inventory availability (2202 units). This ensures long-term supply chain stability and continued manufacturer support.

The ISL6269ACRZ is classified as Last Time Buy, indicating that Renesas has announced end-of-life for this variant. While currently available with 1514 units in stock, this part should be considered only when ISL6269BCRZ availability is constrained. Both parts are ROHS3 compliant and REACH unaffected, meeting environmental and regulatory requirements for industrial and commercial applications.

Frequently Asked Questions (FAQ)

Q: Can ISL6269ACRZ be used as a direct replacement for ISL6269BCRZ in existing designs?

A: Yes. The ISL6269ACRZ is a parametric equivalent with identical electrical specifications, package configuration, and control features. No design modifications are required for direct substitution.

Q: What is the difference between ISL6269BCRZ and ISL6269ACRZ?

A: The primary differences are product status and inventory levels. ISL6269BCRZ is Active with 2202 units available, while ISL6269ACRZ is Last Time Buy with 1514 units available. All electrical and mechanical parameters are identical.

Q: Why is ISL6269ACRZ marked as Last Time Buy?

A: Last Time Buy status indicates that Renesas Electronics Corporation has announced end-of-life for this part variant. Customers requiring this device should place final orders before discontinuation. The ISL6269BCRZ remains the active production variant.

Q: Are both parts compatible with the same PCB layout and footprint?

A: Yes. Both devices use identical 16-QFN (4x4) surface mount packages with 16-VQFN exposed pad configuration. PCB layouts, footprints, and assembly processes are fully compatible.

Q: What are the key parameters that determine substitution eligibility?

A: Substitution is valid when topology (buck), output type (transistor driver), voltage supply range (5V ~ 25V), switching frequency range (200kHz ~ 600kHz), control features (Enable, Frequency Control, Phase Control, Power Good), package type (16-QFN 4x4), and compliance certifications (ROHS3, MSL 3) are identical.

Q: Do both parts meet the same environmental and regulatory standards?

A: Yes. Both ISL6269BCRZ and ISL6269ACRZ are ROHS3 compliant, REACH unaffected, and classified as MSL 3 (168 Hours) for moisture sensitivity. They meet identical environmental and regulatory requirements.