AL1692S-13 Equivalent & Substitute Parts

Part Overview

The AL1692S-13 is an LED driver IC manufactured by Diodes Incorporated, designed for AC/DC offline switching applications with triac dimming capability. This device integrates a single-output controller supporting flyback, step-down (buck), and step-up (boost) topologies, operating across a supply voltage range of 8.5V to 20V. The component is currently in active production status with substantial inventory availability (120,100 pcs).

Substitute parts become necessary when the AL1692S-13 reaches end-of-life status, experiences supply constraints, or when design requirements necessitate alternative topology configurations or operating specifications.

Substiute Parts

AL1692S-13

Diodes IncorporatedIn Stock: 120128AL1692S-13 Datasheet

Current PartRFQ

TPS92002DR

Texas InstrumentsIn Stock: 1152TPS92002DR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AL1692S-13 is determined by the following critical parameters:

Primary Compatibility Criteria:

• Package type: 8-SOIC form factor (0.154", 3.90mm Width)
• Functional category: AC/DC offline switcher with LED driver capability
• Dimming interface: Triac dimming support
• Number of outputs: Single output configuration
• Supply voltage compatibility: Maximum supply voltage ≥ 20V
• RoHS compliance: ROHS3 Compliant
• Moisture sensitivity: MSL 1 (Unlimited)

The TPS92002DR from Texas Instruments meets these core substitution criteria, sharing identical package geometry, functional classification, triac dimming capability, and compliance certifications. Both devices support single-output AC/DC offline switching with surface-mount deployment in lighting applications.

Parameter Comparison

Engineering Selection Recommendations

AL1692S-13 (Primary Selection) The AL1692S-13 remains the preferred component for new designs and ongoing production. Active product status ensures long-term availability and supply continuity. The device supports three topology configurations (flyback, buck, boost), providing maximum design flexibility. Operating temperature range extends to 105°C, suitable for high-ambient thermal environments. Current inventory levels (120,100 pcs) support immediate procurement requirements.

TPS92002DR (Substitute Selection) The TPS92002DR is suitable as a substitute when AL1692S-13 supply becomes constrained or unavailable. This device carries Last Time Buy status, indicating limited future availability. The substitute supports flyback and buck topologies, covering the majority of offline LED driver applications. The maximum supply voltage specification (21V) provides marginal headroom above the AL1692S-13 (20V). Operating temperature range is reduced to 85°C maximum, requiring thermal design verification for applications exceeding this limit. Switching frequency is significantly higher (100kHz vs. 4kHz), which may affect EMI characteristics and component selection in the power stage.

Both devices maintain identical RoHS3 compliance and MSL ratings, ensuring regulatory and moisture-handling compatibility.

Frequently Asked Questions (FAQ)

Q: Can TPS92002DR directly replace AL1692S-13 in existing designs? A: Direct replacement is possible at the package level due to identical 8-SOIC form factor. However, functional differences require verification: TPS92002DR does not support boost topology, operates at 100kHz (vs. 4kHz), and has a reduced maximum operating temperature of 85°C. Design validation is necessary before production implementation.

Q: What are the key differences in topology support? A: AL1692S-13 supports flyback, buck, and boost configurations. TPS92002DR supports flyback and buck only. Applications requiring boost conversion cannot use TPS92002DR as a substitute.

Q: How does the switching frequency difference affect circuit design? A: The 25× frequency increase (4kHz to 100kHz) in TPS92002DR reduces transformer and filter component sizes but increases switching losses and EMI generation. Power stage component selection, PCB layout, and EMI filtering must be re-evaluated for the substitute device.

Q: Are there thermal considerations for substitution? A: AL1692S-13 operates to 105°C; TPS92002DR to 85°C. Applications with ambient temperatures or thermal loads exceeding 85°C require thermal analysis or design modification before substituting with TPS92002DR.

Q: Do both devices support triac dimming identically? A: Both devices integrate triac dimming capability. Dimming interface compatibility is maintained between the two parts.

Q: What is the supply voltage margin between these devices? A: AL1692S-13 maximum supply is 20V; TPS92002DR is 21V. The 1V difference provides minimal additional headroom and should not be considered a design advantage.

Q: Is inventory availability a factor in substitution decisions? A: AL1692S-13 has 120,100 pcs in stock (active status). TPS92002DR has 1,085 pcs (Last Time Buy status). For long-term production, AL1692S-13 is the recommended choice due to superior availability and active product status.