MIC3230YTSE Equivalent & Substitute Parts

Part Overview

The MIC3230YTSE is an LED Driver Controller IC manufactured by Microchip Technology, designed for step-up (boost) DC-DC conversion applications in lighting systems. This active product operates across a 6V to 45V supply range with PWM dimming capability and is packaged in a 16-TSSOP surface mount configuration with exposed pad. Finding equivalent or substitute parts may be necessary due to inventory constraints, supply chain considerations, or specific application requirements that align with alternative controller specifications.

Substiute Parts

MIC3230YTSE

Microchip TechnologyIn Stock: 1839MIC3230YTSE Datasheet

Current PartRFQ

MIC3231YTSE

Microchip TechnologyIn Stock: 2019MIC3231YTSE Datasheet

Parametric EquivalentRFQ

LT3922HUFD#PBF

Analog Devices Inc.In Stock: 1784LT3922HUFD#PBF Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MIC3230YTSE are identified based on strict alignment with the following critical parameters:

• Topology: Step-Up (Boost) DC-DC controller architecture
• Output Configuration: Single output LED driver controller
• Supply Voltage Range: Minimum 6V input capability; maximum 45V input capability
• Dimming Method: PWM dimming support
• Application Domain: Lighting control
• Mounting & Packaging: Surface mount configuration with compatible pinout and thermal characteristics
• Compliance: ROHS3 compliance and active product status

The MIC3231YTSE qualifies as a parametric equivalent within the Microchip Technology product family, maintaining identical electrical specifications and package form factor. The LT3922HUFD#PBF, manufactured by Analog Devices Inc., represents a manufacturer-recommended alternative with extended supply voltage flexibility and enhanced thermal performance, though with different package geometry and MSL rating.

Parameter Comparison

Engineering Selection Recommendations

MIC3231YTSE is the direct parametric equivalent for applications requiring identical electrical performance and package footprint. Both parts maintain ROHS3 compliance, active product status, and identical supply voltage specifications. Selection of the MIC3231YTSE is appropriate when inventory availability or supply chain factors necessitate substitution within the Microchip Technology product line.

LT3922HUFD#PBF serves as a manufacturer-recommended alternative for applications where extended operating temperature range (-40°C to 150°C) or lower minimum supply voltage (2.8V) provides design advantages. This part maintains ROHS3 compliance and active product status. The 28-QFN package geometry differs from the 16-TSSOP configuration, requiring PCB layout modification. The MSL rating of 1 (Unlimited) provides superior moisture handling characteristics compared to the MIC3230YTSE MSL rating of 3.

Selection between these substitutes depends on specific application constraints: package compatibility, thermal requirements, and supply voltage specifications.

Frequently Asked Questions (FAQ)

Q: Can the MIC3231YTSE directly replace the MIC3230YTSE on an existing PCB?

A: Yes. The MIC3231YTSE maintains identical package geometry (16-TSSOP Exposed Pad), pin configuration, and electrical specifications. No PCB layout modification is required.

Q: What are the key differences between the MIC3230YTSE and LT3922HUFD#PBF?

A: The primary differences are package type (16-TSSOP versus 28-QFN), operating temperature range (-40°C to 125°C versus -40°C to 150°C), minimum supply voltage (6V versus 2.8V), and MSL rating (3 versus 1). The LT3922HUFD#PBF also supports analog dimming in addition to PWM dimming.

Q: Does the LT3922HUFD#PBF require PCB redesign?

A: Yes. The 28-QFN package differs from the 16-TSSOP package, requiring PCB footprint modification and potential layout changes to accommodate the different pin arrangement and thermal pad configuration.

Q: Are all three parts ROHS3 compliant?

A: Yes. The MIC3230YTSE, MIC3231YTSE, and LT3922HUFD#PBF are all ROHS3 compliant and maintain active product status.

Q: Which substitute part has the best moisture handling characteristics?

A: The LT3922HUFD#PBF has an MSL rating of 1 (Unlimited), providing superior moisture sensitivity performance compared to the MIC3230YTSE and MIC3231YTSE, both rated MSL 3 (168 Hours).

Q: Can the LT3922HUFD#PBF operate at the same supply voltage range as the MIC3230YTSE?

A: The LT3922HUFD#PBF operates from 2.8V to 36V, which overlaps with the MIC3230YTSE range of 6V to 45V. Applications requiring supply voltages above 36V cannot use the LT3922HUFD#PBF as a substitute.