MIC2874YCS-T5 Equivalent & Substitute Parts

Part Overview

The MIC2874YCS-T5 is an LED Driver IC manufactured by Microchip Technology, classified as a Power Management PMIC. This device functions as a 1-output DC-DC regulator with step-up (boost) topology, delivering 1.2A flash current at 6V output. It operates across a 2.7V to 5.5V supply range and is optimized for camera flash applications. The part is currently active in production with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Alternative models are necessary when design requirements shift toward different topologies, supply voltage ranges, output current specifications, or package constraints.

Substiute Parts

MIC2874YCS-T5

Microchip TechnologyIn Stock: 898MIC2874YCS-T5 Datasheet

Current PartRFQ

AP8803WTG-7

Diodes IncorporatedIn Stock: 12247AP8803WTG-7 Datasheet

MFR RecommendedRFQ

LT3474EFE-1#PBF

Analog Devices Inc.In Stock: 2888LT3474EFE-1#PBF Datasheet

MFR RecommendedRFQ

PAM2863ECR

Diodes IncorporatedIn Stock: 125419PAM2863ECR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MIC2874YCS-T5 is determined by the following critical parameters:

Topology Consideration: The MIC2874YCS-T5 employs step-up (boost) topology to elevate supply voltage to 6V output. Substitute parts listed (AP8803WTG-7, LT3474EFE-1#PBF, PAM2863ECR) utilize step-down (buck) topology, which reduces supply voltage rather than boosting it. This represents a fundamental architectural difference.

Supply Voltage Range: The main part accepts 2.7V to 5.5V input. Substitutes operate at higher minimum supply voltages (AP8803WTG-7: 8V–30V; LT3474EFE-1#PBF: 4.6V–36V; PAM2863ECR: 4.5V–40V), requiring different power source configurations.

Output Current: The MIC2874YCS-T5 delivers 1.2A flash current. Substitutes provide 1A (AP8803WTG-7, LT3474EFE-1#PBF) or 2A (PAM2863ECR) switching current, affecting load-driving capability.

Package Form Factor: The main part uses 9-WLCSP (1.3x1.3mm), a compact ball grid array. Substitutes employ TSOT-23-5, 16-TSSOP-EP, and 8-SO-EP packages, each with different footprint and thermal characteristics.

Frequency: Operating at 4MHz, the MIC2874YCS-T5 differs from substitutes operating at 700kHz (AP8803WTG-7), 200kHz–2MHz (LT3474EFE-1#PBF), and 233kHz–1MHz (PAM2863ECR).

Parameter Comparison

Engineering Selection Recommendations

All listed parts maintain active production status and ROHS3 compliance, ensuring regulatory alignment and supply continuity. The MIC2874YCS-T5 is optimized for low-voltage boost applications requiring compact 9-WLCSP packaging. Selection of substitute parts depends on whether the design topology can transition from boost to buck regulation.

AP8803WTG-7 suits applications with 8V–30V supply availability and PWM/analog dimming requirements, offering compact TSOT-23-5 packaging and extended temperature range (-40°C to 125°C).

LT3474EFE-1#PBF accommodates 4.6V–36V supply ranges with automotive-grade qualification and PWM dimming, using 16-TSSOP-EP packaging for improved thermal dissipation.

PAM2863ECR provides the highest output current (2A) across 4.5V–40V supply range with flexible dimming options, packaged in 8-SO-EP format. MSL rating of 3 requires 168-hour dry storage compliance.

All substitutes are REACH unaffected and classified under ECCN EAR99 with matching HTSUS code 8542.39.0001.

Frequently Asked Questions (FAQ)

Q: Can the MIC2874YCS-T5 be directly replaced with AP8803WTG-7, LT3474EFE-1#PBF, or PAM2863ECR?

A: Direct replacement is not possible due to fundamental topology differences. The MIC2874YCS-T5 uses step-up (boost) topology to elevate voltage, while all listed substitutes employ step-down (buck) topology. Circuit redesign is required if switching to a substitute part.

Q: What are the key differences in supply voltage requirements?

A: The MIC2874YCS-T5 operates from 2.7V to 5.5V. AP8803WTG-7 requires 8V minimum, LT3474EFE-1#PBF accepts 4.6V minimum, and PAM2863ECR requires 4.5V minimum. Supply voltage compatibility must be verified before substitution.

Q: How do output current ratings compare?

A: The MIC2874YCS-T5 delivers 1.2A flash current. AP8803WTG-7 and LT3474EFE-1#PBF each provide 1A switching current, while PAM2863ECR delivers 2A. Load requirements determine which substitute is appropriate.

Q: What packaging considerations apply to these parts?

A: The MIC2874YCS-T5 uses 9-WLCSP (1.3x1.3mm), the most compact option. Substitutes employ larger packages: TSOT-23-5, 16-TSSOP-EP, and 8-SO-EP. PCB layout and thermal management strategies must accommodate the selected package footprint.

Q: Are there temperature rating differences?

A: The MIC2874YCS-T5 and most substitutes operate to 85°C. AP8803WTG-7 extends to 125°C, suitable for higher-temperature environments. LT3474EFE-1#PBF includes automotive-grade qualification.

Q: What is the MSL (Moisture Sensitivity Level) impact?

A: The MIC2874YCS-T5 and three substitutes carry MSL 1 (unlimited shelf life). PAM2863ECR carries MSL 3, requiring 168-hour dry storage before reflow soldering to prevent moisture-induced defects.

Q: Do all parts maintain regulatory compliance?

A: All parts are ROHS3 compliant, REACH unaffected, and classified as EAR99 with HTSUS code 8542.39.0001, ensuring consistent regulatory status across substitution options.