UBA2017AT/1,518 Equivalent & Substitute Parts

Part Overview

The UBA2017AT/1,518 is a CFL/TL Controller IC manufactured by NXP USA Inc., designed for controlling Cold Cathode Fluorescent Lamp (CFL) and Tubular Fluorescent Lamp (TL) applications. This component operates within a supply voltage range of 11.9V to 13.8V and includes integrated dimming functionality. The part is classified as obsolete, making identification of compatible substitute components essential for ongoing system support and new design implementations.

Substiute Parts

UBA2017AT/1,518

NXP USA Inc.In Stock: 1185UBA2017AT/1,518 Datasheet

Current PartRFQ

L6574D013TR

STMicroelectronicsIn Stock: 105271L6574D013TR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the UBA2017AT/1,518 is determined by the following critical parameters:

Functional Compatibility Criteria:

• Device type must be CFL/TL Controller
• Package must be 16-SOIC (0.154", 3.90mm Width) for PCB layout compatibility
• Dimming functionality must be present
• Operating temperature range must encompass -40°C ~ 125°C
• Mounting type must be Surface Mount

Electrical Compatibility Criteria:

• Supply voltage range must overlap or encompass the original specification (11.9V ~ 13.8V)
• Supply current must be within acceptable operational limits
• Frequency characteristics must support CFL/TL lamp control applications

The L6574D013TR from STMicroelectronics meets all substitution criteria through identical package configuration, matching functional classification, and compatible electrical parameters within the specified operating envelope.

Parameter Comparison

Engineering Selection Recommendations

The L6574D013TR is the qualified substitute for the UBA2017AT/1,518 based on the following engineering criteria:

Package Compatibility: Both components utilize identical 16-SOIC packaging with matching pin configurations, enabling direct PCB layout compatibility without redesign.

Functional Equivalence: Both devices are classified as CFL/TL Controllers with integrated dimming capability and identical operating temperature specifications (-40°C ~ 125°C).

Electrical Compatibility: The L6574D013TR supply voltage range (10V ~ 15.6V) encompasses the original specification (11.9V ~ 13.8V), ensuring operation within the design envelope. Supply current of 2 mA versus 1.7 mA represents a minor increase within acceptable operational margins.

Regulatory Compliance: Both components maintain ROHS3 compliance and REACH unaffected status, satisfying environmental and regulatory requirements.

Product Availability: The L6574D013TR is in active production status with substantial inventory availability (105,200 pcs), whereas the original UBA2017AT/1,518 is obsolete. This substitution ensures long-term component availability and supply chain continuity.

Moisture Sensitivity: The L6574D013TR carries MSL rating 1 (Unlimited) compared to MSL rating 3 (168 Hours) for the original, providing superior moisture handling characteristics during storage and assembly processes.

Frequently Asked Questions (FAQ)

Q: Can the L6574D013TR be used as a direct replacement for the UBA2017AT/1,518?

A: Yes. Both components share identical 16-SOIC packaging, matching pin configurations, and equivalent functional specifications for CFL/TL control applications. No PCB layout modifications are required.

Q: What are the key differences between these two controllers?

A: The primary differences are manufacturer (NXP versus STMicroelectronics), product status (obsolete versus active), and specified frequency range (unspecified versus 60kHz ~ 120kHz). The L6574D013TR provides a defined frequency specification and superior moisture sensitivity rating.

Q: Is the voltage supply range difference significant?

A: No. The L6574D013TR voltage range (10V ~ 15.6V) fully encompasses the original specification (11.9V ~ 13.8V). The substitute operates safely across the original design voltage envelope with additional margin at both lower and upper limits.

Q: Does the 0.3 mA increase in supply current affect system design?

A: No. The increase from 1.7 mA to 2 mA represents a 17.6% change in controller supply current, which is negligible in typical CFL/TL ballast applications and does not require power supply redesign.

Q: Are there any compliance or certification concerns with substitution?

A: No. Both components maintain ROHS3 compliance and REACH unaffected status. The L6574D013TR actually provides improved moisture sensitivity characteristics (MSL 1 versus MSL 3).

Q: What is the advantage of the L6574D013TR's specified frequency range?

A: The defined 60kHz ~ 120kHz frequency specification provides explicit operational parameters for system design validation, whereas the original UBA2017AT/1,518 does not specify frequency characteristics. This enables more precise circuit design and performance prediction.

Q: Is inventory availability a consideration for this substitution?

A: Yes. The L6574D013TR is in active production with 105,200 pcs available, ensuring long-term supply chain continuity. The original UBA2017AT/1,518 is obsolete with limited remaining inventory (1,086 pcs), making the substitute the practical choice for new designs and ongoing production.