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Product Detailed Parameters
- Description：IC LED DRVR RGLTR PWM 1.5A 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：1.5A
- 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-1-T is a single-output DC-DC buck LED driver IC from Allegro MicroSystems, designed for automotive-grade applications. It integrates an internal switch and supports PWM dimming for precise current regulation up to 3A per channel. The device operates within a supply voltage range of 6V to 48V and functions reliably across a junction temperature range of -40°C to 125°C. Packaged in an 8-SOIC with exposed pad (8-SOIC-EP) for enhanced thermal performance, it meets AEC-Q100 qualification standards for automotive reliability.
Feature Summary
- Integrates a high-efficiency internal power switch for compact design
- Supports analog and PWM dimming methods for flexible control
- Provides constant current regulation for stable LED brightness
- Features exposed pad package for improved thermal dissipation
Applications
- Automotive exterior lighting systems
- Interior ambient LED illumination
- High-brightness indicator circuits
Procurement Notes
Verify the specific suffix '1' against the official datasheet to confirm pinout or functional variations compared to standard variants. Ensure the ordering quantity aligns with the manufacturer's standard reel size of 3,000 units if purchasing in bulk. Confirm RoHS compliance status and moisture sensitivity level requirements prior to assembly planning.
Selection Notes
Select this component when a single-channel, high-current buck topology is required for automotive LED loads. Consider the 8-SOIC-EP package for thermal management needs. Validate that the input voltage range of 6V to 48V matches the system power supply. Ensure compatibility with existing PWM dimming signals before finalizing the design.
Part Context
This part belongs to the A6217 series of LED drivers from Allegro MicroSystems. The series is characterized by its integration of power switches and support for automotive environments. The A6217 variant specifically targets single-channel applications requiring robust current regulation and efficient power conversion in a small footprint.
Replacement Considerations
Check for direct substitutes within the A6217 family, such as A6217KLJTR-T, noting any differences in packaging or suffix specifications. Verify pin-to-pin compatibility and electrical parameter equivalence before replacing.
