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Product Detailed Parameters
- Description：12-CHANNEL LED ANIMATION CONTROL
- Series：-
- Mfr：Lumissil Microsystems
- Package：Tape & Reel (TR)
- Type：DC DC Controller
- Topology：-
- Internal Switch(s)：No
- Number of Outputs：12
- Voltage - Supply (Min)：3V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：-
- Dimming：Multi-Step
- Applications：General Purpose
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount, Wettable Flank
- Package / Case：24-WFQFN Exposed Pad
- Supplier Device Package：24-WQFN (4x4)
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The IS32LT3134-QWLA3-TR is an automotive-grade LED driver controller manufactured by Lumissil Microsystems. It features a QFN-24 package and operates within a supply voltage range of 3V to 5.5V. The device provides 12 output channels with support for 12-bit PWM dimming, enabling precise control over LED brightness and intensity. Designed for harsh automotive environments, it includes thermal shutdown protection and meets AEC-Q100 qualification standards.
Feature Summary
- Provides 12 independent output channels for driving multiple LEDs
- Supports high-resolution 12-bit PWM dimming for precise brightness control
- Integrated thermal shutdown protection for enhanced system reliability
- Qualified for automotive applications under AEC-Q100 standards
Applications
- Automotive interior lighting systems
- Ambient mood lighting in vehicle cabins
- General automotive illumination modules
Procurement Notes
Verify the specific suffix QWLA3 against the manufacturer's current datasheet to confirm pinout and packaging details. Ensure the design supports the required 3V to 5.5V supply range. Confirm that the QFN-24 footprint matches the PCB layout specifications. Check for any recent product change notices regarding this part number before finalizing procurement plans.
Selection Notes
Select this component when designing automotive lighting circuits requiring multiple independently controllable channels. It is suitable for applications needing high-resolution dimming capabilities without external microcontrollers for basic PWM generation. Consider the thermal performance requirements of the QFN-24 package relative to the total power dissipation of the connected LEDs.
Part Context
This part belongs to the IS32LT31xx family of high-side linear LED drivers from Lumissil Microsystems. These devices are specifically engineered for automotive lighting applications, offering robust protection features and precise control interfaces. The family includes various channel counts and interface options to suit different lighting architectures.
Replacement Considerations
Consult the official Lumissil Microsystems replacement guide or distributor cross-reference tools for verified alternatives. Ensure any substitute maintains AEC-Q100 qualification and compatible pinout if direct replacement is required.
