MPQ3326GR-AEC1-Z LED Driver IC Equivalent & Substitute Parts

Part Overview

The MPQ3326GR-AEC1-Z is a 16-output linear LED driver IC manufactured by Monolithic Power Systems Inc., classified as a Power Management (PMIC) component. This automotive-grade device operates across a 4V to 16V supply range and delivers 50mA per output channel with integrated analog, I2C, and PWM dimming capabilities. The part is packaged in a 24-QFN (4x4) form factor and carries AEC-Q100 automotive qualification. The device is currently in active production status with 36,072 units in stock.

Substitute parts are necessary when the primary part becomes unavailable, when alternative packaging formats are required for manufacturing processes, or when design specifications permit operation within the electrical and mechanical parameters of equivalent alternatives.

Substiute Parts

MPQ3326GR-AEC1-Z

Monolithic Power Systems Inc.In Stock: 36158MPQ3326GR-AEC1-Z Datasheet

Current PartRFQ

MPQ3326GR-AEC1-P

Monolithic Power Systems Inc.In Stock: 1440MPQ3326GR-AEC1-P Datasheet

Parametric EquivalentRFQ

TLC5923DAPR

Texas InstrumentsIn Stock: 19353TLC5923DAPR Datasheet

SimilarRFQ

TLC5926QPWPRQ1

Texas InstrumentsIn Stock: 14136TLC5926QPWPRQ1 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MPQ3326GR-AEC1-Z is determined by alignment across the following critical parameters: number of outputs (16 channels), output current capability per channel, supply voltage range compatibility, dimming control methodology, automotive qualification status, and physical package form factor.

The MPQ3326GR-AEC1-P represents a parametric equivalent substitute, differing only in packaging format (Tape & Reel versus Cut Tape & Digi-Reel). All electrical specifications, thermal ratings, and automotive qualifications remain identical.

The TLC5923DAPR and TLC5926QPWPRQ1 represent similar LED driver alternatives manufactured by Texas Instruments. These devices share the 16-output architecture and linear topology but operate within different supply voltage ranges (3V to 5.5V), feature shift register control topology rather than I2C/PWM dimming, and are packaged in alternative form factors (32-HTSSOP and 24-HTSSOP respectively). The TLC5926QPWPRQ1 maintains automotive-grade qualification and AEC-Q100 certification, while the TLC5923DAPR does not carry automotive qualification.

Parameter Comparison

Engineering Selection Recommendations

MPQ3326GR-AEC1-P is the direct parametric equivalent to the MPQ3326GR-AEC1-Z. Both devices are manufactured by Monolithic Power Systems Inc., carry identical electrical specifications, maintain AEC-Q100 automotive qualification, and operate across the same 4V to 16V supply range with 50mA per-channel output current. The sole distinction is packaging format: the -P variant uses Tape & Reel packaging while the -Z variant uses Cut Tape & Digi-Reel packaging. Selection between these two is determined by manufacturing assembly line requirements and tape reel compatibility.

TLC5926QPWPRQ1 is a functionally similar alternative manufactured by Texas Instruments. This device maintains automotive-grade classification and AEC-Q100 qualification, operates within a narrower 3V to 5.5V supply range, and delivers higher per-channel output current (120mA versus 50mA). The TLC5926QPWPRQ1 employs shift register control topology rather than I2C/PWM dimming and is packaged in a 24-HTSSOP form factor. This substitute is applicable only when design specifications accommodate the reduced supply voltage range, higher output current capability, and alternative control interface.

TLC5923DAPR is a similar LED driver alternative from Texas Instruments with 16 outputs and linear topology. However, this device lacks automotive-grade qualification and AEC-Q100 certification, operates within a 3V to 5.5V supply range, and features shift register control rather than I2C/PWM dimming. The TLC5923DAPR is not suitable for automotive applications requiring AEC-Q100 compliance.

Frequently Asked Questions (FAQ)

Q: Can the MPQ3326GR-AEC1-P be used as a direct replacement for the MPQ3326GR-AEC1-Z?

A: Yes. Both parts are manufactured by Monolithic Power Systems Inc. and share identical electrical specifications, thermal ratings, and automotive qualifications. The difference is packaging format only: -P uses Tape & Reel while -Z uses Cut Tape & Digi-Reel. Selection depends on manufacturing assembly equipment compatibility.

Q: What are the key differences between the MPQ3326GR-AEC1-Z and the TLC5926QPWPRQ1?

A: The primary differences are supply voltage range (MPQ3326 operates 4V-16V; TLC5926 operates 3V-5.5V), output current per channel (50mA versus 120mA), control interface (I2C/PWM versus shift register), and package type (24-QFN versus 24-HTSSOP). Both maintain automotive qualification and AEC-Q100 certification. Substitution requires design verification that the narrower voltage range and alternative control interface are compatible with the application.

Q: Is the TLC5923DAPR suitable for automotive applications?

A: No. The TLC5923DAPR does not carry automotive-grade classification or AEC-Q100 qualification. It is classified as an industrial-grade component and is not suitable for applications requiring automotive compliance.

Q: What does the packaging designation "Cut Tape & Digi-Reel" mean compared to "Tape & Reel"?

A: Cut Tape & Digi-Reel packaging provides components on cut tape segments with optional reel availability, suitable for lower-volume orders and manual assembly processes. Tape & Reel packaging provides components on continuous reels optimized for high-volume automated assembly. Both formats contain the same component; the difference is in supply format and handling method.

Q: Can I use the TLC5926QPWPRQ1 in a circuit designed for the MPQ3326GR-AEC1-Z?

A: Substitution requires design verification. The TLC5926QPWPRQ1 operates within a narrower supply voltage range (3V-5.5V versus 4V-16V), delivers higher per-channel current (120mA versus 50mA), uses shift register control instead of I2C/PWM dimming, and is packaged in a different form factor (24-HTSSOP versus 24-QFN). The circuit must accommodate these differences in voltage range, control interface, and physical layout.

Q: What is the significance of AEC-Q100 qualification?

A: AEC-Q100 is an automotive electronics qualification standard that certifies components for reliability and performance in automotive environments. Both the MPQ3326GR-AEC1-Z and TLC5926QPWPRQ1 carry this qualification, confirming suitability for automotive applications. The TLC5923DAPR lacks this certification and is not qualified for automotive use.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. The MPQ3326GR-AEC1-Z, MPQ3326GR-AEC1-P, TLC5923DAPR, and TLC5926QPWPRQ1 are all ROHS3 compliant and REACH unaffected, meeting environmental regulatory requirements.