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Product Detailed Parameters
- Description：18X12 DOT MATRIX LED DRIVER, QFN
- Series：-
- Mfr：Lumissil Microsystems
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：-
- Internal Switch(s)：Yes
- Number of Outputs：12
- Voltage - Supply (Min)：3V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：-
- Current - Output / Channel：40mA
- Frequency：1MHz, 12MHz
- Dimming：I2C, PWM, SPI
- Applications：General Purpose
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：40-WFQFN Exposed Pad
- Supplier Device Package：40-QFN (5x5)
- Grade：-
- Qualification：-
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Overview
The IS31FL3763-QFLS4-TR is an LED lighting driver IC manufactured by Lumissil Microsystems. It supports an 18x12 dot matrix configuration, providing 12 output channels with a linear current capability of 40mA per channel. The device integrates I2C, PWM, and SPI dimming interfaces for flexible control. It is housed in a 40-pin QFN package measuring 5.0mm x 5.0mm and is supplied in tape and reel packaging.
Feature Summary
- Supports configurable 18x12 dot matrix LED driving architecture
- Integrates multiple dimming interfaces including I2C, PWM, and SPI
- Provides linear current output capability for precise LED control
Applications
- Dot matrix LED display systems
- LED lighting driver circuits
- Signaling applications requiring matrix configurations
Procurement Notes
Verify the complete part number IS31FL3763-QFLS4-TR against official Lumissil documentation to ensure correct suffix identification. Confirm that the QFN-40 (5.0mm x 5.0mm) package matches your PCB footprint requirements. Check for specific automotive or industrial qualification certifications if required by your design specifications, as standard commercial grades may differ from qualified variants.
Selection Notes
Select this component when an 18x12 matrix layout is required with integrated multi-interface control. The 40mA linear output suits low-to-medium power LED arrays. Ensure the host controller supports the selected interface protocol, whether I2C, PWM, or SPI, for proper communication. Verify thermal management capabilities for the QFN-40 package under maximum load conditions.
Part Context
This part belongs to the IS31FL37xx series of LED drivers from Lumissil Microsystems, designed for matrix-based illumination and signaling. The series typically offers high integration levels to reduce external component count. The QFN-40 package provides a compact form factor suitable for space-constrained electronic designs requiring dense LED control.
Replacement Considerations
Consult Lumissil datasheets for direct pin-compatible alternatives within the IS31FL37xx family. Verify electrical parameters such as output current and interface compatibility before substitution. No public substitute part numbers are confirmed in the provided source material.
