BD1601MUV-E2 Equivalent & Substitute Parts

Part Overview

The BD1601MUV-E2 is a 4-output LED driver IC with integrated DC-DC regulator utilizing switched capacitor (charge pump) topology. Manufactured by Rohm Semiconductor, this component operates across a 2.7V to 5.5V supply range with 30mA per-channel output capability and 1MHz switching frequency. The device is classified as "Not For New Designs," making identification of equivalent and substitute parts essential for ongoing production support, legacy system maintenance, and design flexibility.

Substiute Parts

BD1601MUV-E2

Rohm SemiconductorIn Stock: 1008BD1601MUV-E2 Datasheet

Current PartRFQ

BD1604MUV-E2

Rohm SemiconductorIn Stock: 25208BD1604MUV-E2 Datasheet

Parametric EquivalentRFQ

ISL97901CRZ-T

Renesas Electronics CorporationIn Stock: 2135ISL97901CRZ-T Datasheet

SimilarRFQ

LT3599EFE#PBF

Analog Devices Inc.In Stock: 1940LT3599EFE#PBF Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the BD1601MUV-E2 is determined by the following critical parameters: 4-output configuration, supply voltage range (2.7V–5.5V minimum), per-channel current capability (30mA minimum), surface mount packaging compatibility, and regulatory compliance (ROHS3).

The substitute parts are grouped into two categories:

Parametric Equivalent: BD1604MUV-E2 maintains identical electrical specifications, topology, package form factor, and supply/output characteristics, enabling direct substitution without circuit modification.

Similar Alternatives: ISL97901CRZ-T and LT3599EFE#PBF provide 4-output LED driver functionality with compatible supply voltage ranges but differ in topology, output current capability, package type, and operating temperature ranges. These alternatives require design evaluation for application-specific compatibility.

Parameter Comparison

Engineering Selection Recommendations

BD1604MUV-E2 is the direct parametric equivalent and preferred substitute. It maintains identical electrical specifications, package form factor (16-VFQFN), supply voltage range, per-channel current rating, and operating temperature range. Both devices are ROHS3 compliant with MSL 1 rating. The BD1604MUV-E2 is classified as "Not For New Designs" but offers superior inventory availability (25,100 units in stock versus 969 units for BD1601MUV-E2), making it suitable for production continuity and legacy system support without circuit redesign.

ISL97901CRZ-T is a similar alternative for applications requiring higher per-channel output current (375mA versus 30mA). This Renesas device employs buck-boost topology instead of charge pump architecture and operates at 2.5MHz. The 28-VFQFN package requires PCB layout modification. Operating temperature range is narrower (0°C–70°C), and MSL rating is 3, requiring controlled storage conditions. This option is suitable only when higher output current and active product status are design requirements.

LT3599EFE#PBF is a similar alternative from Analog Devices for applications requiring extended supply voltage range (up to 30V) and higher output current (120mA per channel). This device employs step-up (boost) topology with analog and PWM dimming control. The 28-TSSOP package differs from the original form factor. Operating temperature range extends to -40°C–125°C, and MSL rating is 1. This option is suitable when higher supply voltage tolerance and wider temperature operation are required.

Frequently Asked Questions (FAQ)

Q: Can BD1604MUV-E2 replace BD1601MUV-E2 without circuit modification?

A: Yes. BD1604MUV-E2 is a parametric equivalent with identical supply voltage range (2.7V–5.5V), per-channel current (30mA), switching frequency (1MHz), package type (16-VFQFN), and operating temperature range (-30°C–85°C). Direct substitution is possible without schematic or layout changes.

Q: What are the key differences between BD1601MUV-E2 and ISL97901CRZ-T?

A: ISL97901CRZ-T differs in topology (buck-boost versus charge pump), per-channel current capability (375mA versus 30mA), package type (28-VFQFN versus 16-VFQFN), operating temperature range (0°C–70°C versus -30°C–85°C), and moisture sensitivity level (MSL 3 versus MSL 1). Circuit redesign is required for substitution.

Q: Is LT3599EFE#PBF suitable for applications with supply voltages above 5.5V?

A: Yes. LT3599EFE#PBF supports supply voltages up to 30V, making it suitable for higher-voltage applications. However, it employs step-up (boost) topology rather than charge pump architecture, and the 28-TSSOP package differs from the original 16-VFQFN form factor. Design evaluation is required.

Q: What is the significance of MSL rating in substitute selection?

A: Moisture Sensitivity Level (MSL) determines storage and handling requirements. BD1601MUV-E2 and BD1604MUV-E2 have MSL 1 (unlimited shelf life), while ISL97901CRZ-T has MSL 3 (168-hour limit after moisture exposure). MSL 3 components require controlled storage conditions and bake-out procedures before assembly.

Q: Can these substitutes be used interchangeably in legacy designs?

A: BD1604MUV-E2 can be used interchangeably as a direct replacement. ISL97901CRZ-T and LT3599EFE#PBF require design evaluation due to differences in topology, package, current capability, and operating specifications. Functional testing is necessary before production implementation.

Q: What is the product status significance for these parts?

A: BD1601MUV-E2 and BD1604MUV-E2 are classified as "Not For New Designs," indicating Rohm Semiconductor is not recommending these for new product development. ISL97901CRZ-T and LT3599EFE#PBF are classified as "Active," indicating ongoing manufacturer support and availability for new designs.