AL1677-05BS-13 Equivalent & Substitute Parts

Part Overview

The AL1677-05BS-13 is an LED Driver IC manufactured by Diodes Incorporated, designed for AC DC offline switching applications. This Power Management (PMIC) component operates as a Step-Down (Buck) converter with a single output, delivering 500mA at 15V output voltage. The device is classified as Active product status and is ROHS3 compliant, making it suitable for lighting applications requiring offline power conversion. Substitute parts are identified based on matching functional category, package compatibility, and core electrical parameters within acceptable tolerance ranges.

Substiute Parts

AL1677-05BS-13

Diodes IncorporatedIn Stock: 25236AL1677-05BS-13 Datasheet

Current PartRFQ

AL1677-05BS-13

Diodes IncorporatedIn Stock: 25236AL1677-05BS-13 Datasheet

Parametric EquivalentRFQ

NCL30088DDR2G

onsemiIn Stock: 5107NCL30088DDR2G Datasheet

MFR RecommendedRFQ

TPS92411PDDAR

Texas InstrumentsIn Stock: 15459TPS92411PDDAR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the AL1677-05BS-13 are identified based on the following core substitution criteria:

• Functional Category: Power Management (PMIC) - LED Driver IC for AC DC offline switching
• Package Compatibility: 8-SOIC form factor (0.154", 3.90mm Width) for direct PCB footprint compatibility
• Supply Voltage Range: Minimum 8.5V input capability with maximum supply voltage of 16.2V or higher
• Output Configuration: Single output channel
• Applications: Lighting
• Compliance: ROHS3 compliant, REACH unaffected
• Product Status: Active

The identified substitute parts (NCL30088DDR2G and TPS92411PDDAR) share the same package footprint, functional application category, and compliance certifications. While topology variations exist (Flyback vs. Step-Down), both substitute parts operate as AC DC offline switchers suitable for lighting applications and maintain compatibility with the 8-SOIC package requirement.

Parameter Comparison

Engineering Selection Recommendations

All three parts maintain Active product status and ROHS3 compliance, confirming ongoing availability and regulatory alignment for lighting applications. The AL1677-05BS-13 operates within a 8.5V to 16.2V supply range with Step-Down topology. Both substitute parts exceed the minimum supply voltage requirement (NCL30088DDR2G at 8.8V, TPS92411PDDAR at 7.5V) and support higher maximum supply voltages, providing broader input range compatibility.

The NCL30088DDR2G operates at a maximum temperature of 125°C, exceeding the main part's 105°C rating. The TPS92411PDDAR extends to 150°C junction temperature, offering enhanced thermal performance. Both substitutes are packaged in 8-SOIC form factors compatible with existing PCB layouts.

Moisture Sensitivity Level (MSL) differs between parts: the main part and NCL30088DDR2G are rated MSL 3 (168 Hours), while TPS92411PDDAR is rated MSL 2 (1 Year), indicating superior moisture resistance for the Texas Instruments device.

Frequently Asked Questions (FAQ)

Q: Can NCL30088DDR2G directly replace AL1677-05BS-13 in existing designs?

A: Both parts share the 8-SOIC package footprint and operate as AC DC offline switchers for lighting applications. The NCL30088DDR2G uses Flyback topology versus the main part's Step-Down topology. PCB layout and transformer design modifications may be required. Verify output voltage and current specifications match application requirements.

Q: What is the primary difference between the substitute parts?

A: NCL30088DDR2G (onsemi) implements Flyback topology with supply range 8.8V to 20V. TPS92411PDDAR (Texas Instruments) supports multiple topologies (Flyback, Step-Down, Step-Up) with extended supply range 7.5V to 94V and superior thermal rating (150°C). TPS92411PDDAR also offers improved moisture resistance (MSL 2 vs. MSL 3).

Q: Are all parts ROHS3 compliant?

A: Yes. AL1677-05BS-13, NCL30088DDR2G, and TPS92411PDDAR are all ROHS3 compliant and REACH unaffected, meeting regulatory requirements for lighting applications.

Q: What package considerations apply to substitution?

A: The main part uses standard 8-SOIC (0.154", 3.90mm Width). NCL30088DDR2G uses identical 8-SOIC packaging. TPS92411PDDAR uses 8-PowerSOIC, which includes a power pad for enhanced thermal dissipation. All three packages are mechanically compatible with 8-SOIC PCB footprints, though the PowerPad variant may provide improved thermal performance.

Q: Which substitute offers the widest operating temperature range?

A: TPS92411PDDAR operates from -40°C to 150°C (junction temperature), providing the widest thermal operating window compared to AL1677-05BS-13 (-40°C to 105°C) and NCL30088DDR2G (-40°C to 125°C).