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Product Detailed Parameters
- Description：IC LED DRV LIN PWM 16ETSSOP
- Series：-
- Mfr：Lumissil Microsystems
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：-
- Internal Switch(s)：No
- Number of Outputs：2
- Voltage - Supply (Min)：5V
- Voltage - Supply (Max)：42 V
- Voltage - Output：-
- Current - Output / Channel：150mA
- Frequency：-
- Dimming：PWM
- Applications：Lighting
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：16-eTSSOP
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The IS32LT3126-ZLA3-TR is a dual-channel linear LED driver IC manufactured by Lumissil Microsystems. It operates within an input voltage range of 5 V to 42 V and provides a constant output current of 150 mA per channel. The device supports PWM dimming and features integrated protections including over-voltage, over-temperature, and open/short circuit detection. Packaged in a 16-pin eTSSOP with dimensions of 5.0mm x 6.4mm, it functions reliably across a temperature range of -40°C to +125°C.
Feature Summary
- Dual independent channels for precise LED control
- Integrated dynamic headroom management for efficiency
- Comprehensive fault reporting and auto-recovery mechanisms
Applications
- Automotive exterior lighting systems
- Daytime Running Light (DRL) modules
- General automotive interior illumination
Procurement Notes
Verify the specific suffix ZLA3-TR against official Lumissil documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with system voltage requirements up to 42V. Confirm moisture sensitivity level handling procedures during assembly. Cross-reference datasheet revision dates to validate feature sets before integration into production designs.
Selection Notes
Select this component for applications requiring dual-channel linear regulation with high input voltage tolerance. It is suitable for designs prioritizing thermal stability and fault resilience in automotive environments. Consider the eTSSOP-16 footprint for space-constrained PCB layouts. Evaluate power dissipation limits relative to ambient operating temperatures to ensure reliable performance under continuous load conditions.
Part Context
This part belongs to the IS32LT31xx series of linear LED drivers from Lumissil Microsystems. The series focuses on automotive-grade reliability with integrated MOSFETs and advanced protection features. It complements other single or multi-channel variants in the portfolio designed for various lighting architectures.
Replacement Considerations
Direct substitutes include the IS32LT3124B-ZLA3-TR for quad-channel requirements or the IS32LT3126-ZLA3-EB evaluation board for prototyping. Verify pinout compatibility and thermal characteristics when considering alternative packages.
