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Product Detailed Parameters
- Description：48CH LED DRIVER WITH 409 MATRIX
- Series：-
- Mfr：Lumissil Microsystems
- Package：Tape & Reel (TR),Cut Tape (CT),-
- Type：Linear
- Topology：Shift Register
- Internal Switch(s)：No
- Number of Outputs：48
- Voltage - Supply (Min)：2.7V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：-
- Current - Output / Channel：60mA
- Frequency：1MHz, 12MHz
- Dimming：I2C, PWM, SPI
- Applications：General Purpose
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：60-WFQFN Exposed Pad
- Supplier Device Package：60-QFN (7x7)
- Grade：-
- Qualification：-
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Overview
The IS31FL3758-QFLS4-TR is a 48-channel LED driver IC manufactured by Lumissil Microsystems. It supports a configurable matrix extending up to 40x9 points. The device operates on an input voltage range of 2.7 V to 5.5 V and delivers an output current of 60 mA per channel. It functions within a temperature range of -40°C to +125°C and utilizes a QFN-60 package (7mm x 7mm). The component supports I2C, PWM, and SPI dimming interfaces with a maximum operating frequency of 12 MHz.
Feature Summary
- Supports 48 independent output channels for LED control
- Enables matrix expansion up to 40x9 configuration
- Integrates multiple communication interfaces including I2C and SPI
- Provides high-temperature operation capability for automotive environments
Applications
- Automotive intelligent signaling displays
- High pixel count matrix LED matrices
- Vehicle interior lighting systems
- External vehicle lighting applications
Procurement Notes
Verify the specific suffix QFLS4 against the manufacturer's latest datasheet to confirm package dimensions and tape-and-reel specifications. Ensure the design accommodates the QFN-60 thermal requirements and the 2.7V to 5.5V supply constraints. Confirm interface compatibility with the host controller before finalizing procurement.
Selection Notes
Select this component when a high channel count is required for large matrix displays without external multiplexing. The integrated 60mA output simplifies drive circuitry for standard LEDs. Consider the 12MHz bus speed for high-refresh rate applications. Verify that the QFN-60 footprint fits the PCB layout constraints.
Part Context
This part belongs to the IS31FL37xx series of LED display drivers from Lumissil Microsystems. These devices are designed for complex matrix configurations requiring precise current control. The series targets automotive and industrial applications demanding high reliability and extensive channel counts in a compact form factor.
Replacement Considerations
Check the IS31FL3756-QFLS4-TR for lower channel count needs or the IS31FL3752-QFLS4-TR for RGB-specific applications. Verify pinout compatibility and software register mapping before substituting any alternative models.
