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Product Detailed Parameters
- Description：IC LED DRVR LINEAR 150MA SOT23-6
- Series：-
- Mfr：Lumissil Microsystems
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：-
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：5V
- Voltage - Supply (Max)：42V
- Voltage - Output：42V
- Current - Output / Channel：150mA
- Frequency：-
- Dimming：-
- Applications：Lighting
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-6
- Supplier Device Package：SOT-23-6
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The IS32LT3170-STLA3-TR is a linear LED driver IC manufactured by Lumissil Microsystems, designed for automotive-grade lighting applications. It features a single output channel capable of delivering up to 150mA of constant current. The device operates within a supply voltage range of 5V to 42V and supports an output voltage of up to 42V. Packaged in a SOT-23-6 surface-mount enclosure, it includes internal switching capabilities and is rated for operation between -40°C and 125°C. This component holds AEC-Q100 qualification.
Feature Summary
- Linear constant current regulation with integrated internal switch
- Automotive-grade reliability certified under AEC-Q100 standards
- Wide operating temperature range suitable for harsh environments
Applications
- Automotive exterior lighting systems
- General illumination requiring linear drive topology
- Single-channel LED control circuits
Procurement Notes
This specific part number is officially classified as Not Recommended for New Designs (NRND) and has been discontinued by the manufacturer. Verification of availability should focus on obsolete stock or authorized distributors holding remaining inventory. Designers must confirm end-of-life status before procurement to ensure long-term supply chain stability.
Selection Notes
Engineers should evaluate alternative components from the same family that remain active in production. The selection process must account for the discontinuation status of this model. Compatibility checks regarding pinout and electrical specifications are essential when transitioning to successor parts to maintain system integrity without redesigning the entire circuit board.
Part Context
The IS32LT3170 belongs to Lumissil's HBLED driver portfolio, which addresses commercial, residential, and automotive markets. These drivers offer monolithic solutions with built-in protections for extended life. The product line emphasizes flexibility in design while providing robust performance for general lighting applications across various sectors.
Replacement Considerations
The IS32LT3177-STLA3-TR is listed as a similar substitute part by Lumissil Microsystems. Both devices share identical packaging and output current characteristics, facilitating potential direct replacements in existing designs where available.
