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Product Detailed Parameters
- Description：IC LED DRIVER RGLTR PWM 3A 8SOIC
- Series：-
- Mfr：Allegro MicroSystems
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Regulator
- Topology：Step-Down (Buck)
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：6V
- Voltage - Supply (Max)：48V
- Voltage - Output：-
- Current - Output / Channel：3A
- Frequency：-
- Dimming：PWM
- Applications：-
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width) Exposed Pad
- Supplier Device Package：8-SOIC-EP
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The A6217KLJTR-T is an automotive-grade LED lighting driver IC manufactured by Allegro MicroSystems. It utilizes a buck switching regulator topology to provide constant current regulation for high-power LEDs. The device supports a wide input voltage range from 6 V to 48 V and delivers up to 3 A of output current. It features integrated PWM dimming capabilities and operates within a junction temperature range of -40°C to +125°C. The component is housed in an 8-SOIC-EP package with exposed pad for thermal management.
Feature Summary
- Integrated buck converter topology for efficient step-down voltage regulation
- Automotive qualification compliant with AEC-Q100 standards
- Supports pulse-width modulation (PWM) dimming control
- Wide operating input voltage range suitable for automotive electrical systems
Applications
- Automotive exterior lighting systems
- High-power LED headlamp modules
- LED fog lamp drivers
- Adaptive driving beam applications
Procurement Notes
Verify the specific suffix KLJTR-T against official Allegro MicroSystems documentation to confirm pinout, thermal pad configuration, and tape-and-reel specifications. Ensure compatibility with automotive environmental requirements including humidity sensitivity level and operating temperature ranges before integration into final designs.
Selection Notes
Select this component when designing single-channel high-current LED drivers requiring buck conversion efficiency. It is appropriate for applications needing robust automotive reliability and precise current regulation. Consider thermal dissipation requirements due to the SOIC-Narrow-8 package and ensure adequate PCB copper area for the exposed pad.
Part Context
This part belongs to the A6217 series of LED drivers designed specifically for automotive environments. It differs from other series members by its specific buck topology and 3A current capability. The family focuses on providing reliable, high-efficiency power management for critical vehicle lighting functions under harsh operating conditions.
Replacement Considerations
Consult official Allegro MicroSystems substitution guides for verified equivalents. Cross-reference pinouts and electrical characteristics carefully when considering alternative parts.
