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Product Detailed Parameters
- Description：IC LED DRVR LIN PWM 38MA 40WFQFN
- Series：-
- Mfr：Lumissil Microsystems
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：Constant Current
- Internal Switch(s)：No
- Number of Outputs：30
- Voltage - Supply (Min)：2.7V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：-
- Current - Output / Channel：38mA
- Frequency：-
- Dimming：PWM
- Applications：Lighting
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount, Wettable Flank
- Package / Case：40-WFQFN Exposed Pad
- Supplier Device Package：40-WFQFN (6x6)
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The IS32FL3240-QWLA3-TR is a linear constant current LED driver IC manufactured by Lumissil Microsystems. It features 30 independent output channels, each capable of delivering up to 38mA. The device supports PWM dimming and integrates a LIN bus interface for communication. It is housed in a 40-WFQFN package with exposed pads, designed for automotive applications requiring high reliability and precise current control.
Feature Summary
- Integrates 30 independent constant current output channels for precise LED control
- Supports hardware PWM dimming for brightness adjustment
- Includes an integrated LIN bus transceiver for system communication
- Designed for automotive-grade reliability and thermal performance
Applications
- Automotive interior ambient lighting systems
- Vehicle exterior signaling and illumination
- High-density LED matrix drivers
- Automotive display backlighting
Procurement Notes
Verify the specific suffix QWLA3 matches the required package and tape/reel configuration. Confirm automotive qualification status if required for your design. Check lead times as they may vary based on manufacturer allocation. Ensure compatibility with your LIN bus voltage levels and protocol requirements before ordering.
Selection Notes
Select this component when a high channel count (30) is needed in a compact footprint. It is suitable for designs requiring direct LIN bus connectivity without external transceivers. Consider its linear topology for simpler thermal management compared to switching drivers in low-voltage applications. Verify that the 38mA per channel meets your LED forward current requirements.
Part Context
This part belongs to Lumissil's IS32FL series of automotive LED drivers. These devices are engineered for robust performance in harsh automotive environments. The series typically offers various channel counts and interfaces to support diverse lighting architectures from simple indicators to complex adaptive front-lighting systems.
Replacement Considerations
Check for pin-compatible alternatives within the IS32FL series with different channel counts or current ratings. Verify if newer revisions of the same part number offer updated packaging or enhanced features. Cross-reference with other automotive LED drivers offering similar LIN integration and channel density.
