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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：Lighting
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width) Exposed Pad
- Supplier Device Package：8-SOIC-EP
- Grade：-
- Qualification：-
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Overview
The A6211GLJTR-T is an automotive-grade LED lighting driver IC from Allegro MicroSystems, designed for high-current applications. It features a buck regulator topology with a single output channel capable of delivering up to 3A of constant current. The device operates within a supply voltage range of 6V to 48V and supports PWM dimming for precise light control. Packaged in an 8-SOIC-EP format, it is qualified to AEC-Q100 standards for reliability in harsh environments.
Feature Summary
- Integrated buck converter topology for efficient step-down voltage regulation
- Automotive-grade qualification ensuring reliability under extreme conditions
- Supports pulse-width modulation (PWM) dimming for accurate brightness control
Applications
- Automotive exterior lighting systems
- High-power LED headlamp modules
- Industrial LED illumination drivers
Procurement Notes
Verify the specific suffix 'GLJTR-T' against official Allegro MicroSystems documentation to confirm package type and reel specifications. Ensure compatibility with existing PCB footprints for the 8-SOIC-EP package. Cross-reference the AEC-Q100 certification status if automotive compliance is mandatory for the end application.
Selection Notes
Select this component when a robust, single-channel solution is required for driving high-current LEDs in automotive or industrial settings. The integrated buck topology reduces external component count compared to linear drivers. Consider the 48V maximum input rating for direct battery connection scenarios without additional pre-regulation.
Part Context
This part belongs to the A621x series of LED drivers, which are optimized for automotive lighting. The series offers various channel counts and current ratings. The A6211 specifically targets high-brightness applications requiring significant current drive capabilities while maintaining thermal efficiency through its switching regulator design.
Replacement Considerations
Check for pin-compatible alternatives within the same Allegro family, such as the A6217KLJTR-T, which shares similar electrical characteristics and packaging. Verify that any substitute maintains the required 3A output current and 48V input tolerance.
