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Product Detailed Parameters
- Description：IC LED DRVR LIN I2C 40MA 20QFN
- Series：-
- Mfr：Lumissil Microsystems
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：-
- Internal Switch(s)：Yes
- Number of Outputs：6
- Voltage - Supply (Min)：2.7V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：-
- Current - Output / Channel：40mA
- Frequency：-
- Dimming：I2C
- Applications：Backlight
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：20-WFQFN Exposed Pad
- Supplier Device Package：20-QFN (3x3)
- Grade：-
- Qualification：-
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Overview
The IS31FL3196A-QFLS2-TR is a 6-channel LED driver IC manufactured by Lumissil Microsystems. It operates within an input voltage range of 2.7 V to 5.5 V and supports I2C dimming control. The device features two-dimensional auto-breathing modes and audio modulation capabilities for dynamic lighting effects. It provides up to 40 mA output current per channel and is housed in a 20-pin QFN (3x3 mm) package. The component is designed for efficient linear LED driving with integrated pattern generation.
Feature Summary
- Supports two-dimensional auto-breathing modes for complex visual effects
- Integrates audio modulation functionality for synchronized lighting
- Utilizes I2C interface for precise digital dimming control
Applications
- Dynamic automotive interior ambient lighting systems
- Consumer electronics status indicators with breathing effects
- Audio-reactive decorative lighting modules
Procurement Notes
Verify the specific suffix 'QFLS2' against the manufacturer's latest datasheet to confirm pinout and electrical specifications, as variations may exist within the IS31FL3196 family. Ensure the source document explicitly lists this part number as active or recommended for new designs, noting that related variants may carry different lifecycle statuses. Cross-reference the 20-QFN package dimensions with your PCB layout requirements before finalizing procurement orders.
Selection Notes
Select this component when designing circuits requiring multi-channel LED control with integrated dynamic patterns and audio synchronization. It is suitable for applications needing compact solutions with I2C connectivity and moderate current drive capabilities. Consider the thermal performance of the QFN package and the operating temperature range (-40°C to +85°C) relative to the target environment. Verify compatibility with the host microcontroller's I2C bus speed and voltage levels.
Part Context
This part belongs to the IS31FL3196 series of LED drivers from Lumissil Microsystems, which focuses on intelligent lighting solutions. The series typically includes variants with different channel counts or feature sets. The IS31FL3196A variant specifically denotes the A-step revision of the silicon, which may include minor electrical improvements over previous steps while maintaining functional compatibility.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Check Lumissil's official cross-reference guides for potential replacements within the IS31FL3xxx family, ensuring identical package and pinout compatibility.
