CS1610A-FSZ LED Driver IC Equivalent & Substitute Parts

Part Overview

The CS1610A-FSZ is an AC DC offline switcher LED driver IC manufactured by Cirrus Logic Inc., designed for lighting applications with Triac dimming capability. This part operates with a 1 Output configuration in a 16-SOIC surface mount package. The product is currently obsolete, making equivalent and substitute parts necessary for new designs, legacy system maintenance, and component sourcing alternatives.

Substiute Parts

CS1610A-FSZ

Cirrus Logic Inc.In Stock: 1464CS1610A-FSZ Datasheet

Current PartRFQ

HV9923N3-G

Microchip TechnologyIn Stock: 1649HV9923N3-G Datasheet

MFR RecommendedRFQ

LNK408LG

Power IntegrationsIn Stock: 1100LNK408LG Datasheet

MFR RecommendedRFQ

LYT3316D-TL

Power IntegrationsIn Stock: 1128LYT3316D-TL Datasheet

MFR RecommendedRFQ

MP4088GN-Z

Monolithic Power Systems Inc.In Stock: 8324MP4088GN-Z Datasheet

MFR RecommendedRFQ

TPS92075D/NOPB

Texas InstrumentsIn Stock: 1183TPS92075D/NOPB Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the CS1610A-FSZ is determined by the following critical parameters:

• Type: AC DC Offline Switcher
• Dimming Capability: Triac dimming support
• Number of Outputs: 1 Output configuration
• Applications: Lighting
• Operating Temperature Range: Minimum -40°C capability
• Mounting Compatibility: Surface mount or through-hole alternatives acceptable with circuit redesign

The substitute parts listed below maintain functional equivalence in AC DC offline switching topology with Triac dimming for lighting applications. Variations in supply voltage ranges, topologies (Flyback, Buck, Boost, SEPIC), package types, and internal switch configurations are permitted where the core lighting driver functionality and dimming capability are preserved.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The CS1610A-FSZ is obsolete. All substitute parts listed are active products with current manufacturer support, ensuring availability for new designs and ongoing production.

Compliance and Certifications: All substitute parts maintain REACH Unaffected status and EAR99 ECCN classification, consistent with the original part. RoHS compliance varies: HV9923N3-G and MP4088GN-Z are ROHS3 Compliant; TPS92075D/NOPB is ROHS3 Compliant; LNK408LG and LYT3316D-TL are RoHS Compliant.

Moisture Sensitivity: HV9923N3-G, LNK408LG, and TPS92075D/NOPB offer MSL 1 (Unlimited), providing superior moisture handling compared to the original MSL 3 specification. LYT3316D-TL maintains MSL 3 (168 Hours), matching the original part. MP4088GN-Z is MSL 2A (4 Weeks).

Surface Mount Compatibility: For direct PCB layout compatibility without redesign, LYT3316D-TL and MP4088GN-Z maintain surface mount packaging. TPS92075D/NOPB also uses surface mount 8-SOIC. HV9923N3-G and LNK408LG require through-hole mounting, necessitating circuit board modifications.

Temperature Range: LNK408LG and LYT3316D-TL support extended operating temperatures to 150°C (TJ), exceeding the original 125°C specification. HV9923N3-G operates to 85°C (TA), which is lower than the original specification.

Frequently Asked Questions (FAQ)

Q: Can I directly replace CS1610A-FSZ with any of these substitute parts without PCB modifications?

A: Direct replacement without modifications is possible with LYT3316D-TL, MP4088GN-Z, and TPS92075D/NOPB, as these maintain surface mount 16-SOIC or 8-SOIC packaging. HV9923N3-G and LNK408LG use through-hole packages (TO-92-3 and eSIP-7F respectively) and require circuit board redesign.

Q: What is the primary substitution criterion for these parts?

A: All substitute parts maintain AC DC offline switcher topology with Triac dimming capability for lighting applications and single output configuration. This functional equivalence in lighting driver operation defines the substitution relationship.

Q: Does operating temperature range affect substitution suitability?

A: Operating temperature range is a design consideration. HV9923N3-G operates only to 85°C (TA), which is lower than the original 125°C (TJ) specification and may not be suitable for high-temperature applications. LNK408LG and LYT3316D-TL support 150°C (TJ), providing thermal margin beyond the original specification.

Q: Are all substitute parts currently available?

A: Yes. All substitute parts listed have Active product status with current manufacturer support. Inventory availability varies by distributor and application volume requirements.

Q: What is the significance of Moisture Sensitivity Level (MSL) differences?

A: MSL rating determines shelf life and handling requirements. MSL 1 (Unlimited) parts like HV9923N3-G, LNK408LG, and TPS92075D/NOPB have no moisture-related shelf life restrictions. MSL 3 (168 Hours) parts like LYT3316D-TL and the original CS1610A-FSZ require baking before reflow if shelf life is exceeded.

Q: Can I use these parts interchangeably in the same application?

A: Functional interchangeability depends on circuit topology compatibility and supply voltage requirements. Parts with different topologies (Buck, Boost, SEPIC, Flyback) may require transformer or inductor redesign. Supply voltage ranges must match your application input specifications.

Q: Which substitute offers the best compliance profile?

A: HV9923N3-G, LNK408LG, and TPS92075D/NOPB all offer MSL 1 (Unlimited) and REACH Unaffected status. HV9923N3-G and MP4088GN-Z are ROHS3 Compliant, representing the most current compliance standard.