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Product Detailed Parameters
- Description：IC LED DRVR LINEAR 75.5MA 16SOIC
- Series：-
- Mfr：Allegro MicroSystems
- Package：Tape & Reel (TR)
- Type：Linear
- Topology：Shift Register
- Internal Switch(s)：Yes
- Number of Outputs：8
- Voltage - Supply (Min)：4.5V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：4V
- Current - Output / Channel：75.5mA
- Frequency：20MHz
- Dimming：-
- Applications：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：16-SOIC
- Grade：-
- Qualification：-
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Overview
The A6275ELWTR is a linear LED driver IC manufactured by Allegro MicroSystems, designed for automotive applications. It features an internal switch topology with eight outputs and supports PWM dimming. The device operates within a supply voltage range of 4.5V to 5.5V, delivering a channel current of 75.5mA. It utilizes a 16-SOIC package with exposed pad (SOIC W) and functions reliably across an ambient temperature range of -20°C to +85°C.
Feature Summary
- Linear shift register topology for LED control
- Integrated internal switches for output driving
- Supports PWM dimming functionality
Applications
- Automotive lighting systems
- LED backlighting drivers
- General illumination control circuits
Procurement Notes
Verify the specific suffix 'ELWTR' against official datasheets to confirm package type and tape-and-reel specifications. Ensure compatibility with existing PCB footprints for the 16-SOIC exposed pad variant. Confirm end-of-life status as this part number may be discontinued or superseded by newer revisions in the A6275 series.
Selection Notes
Select this component when a linear driver with multiple channels and PWM capability is required for automotive environments. Consider the thermal performance of the SOIC W package for heat dissipation needs. Verify that the 75.5mA output current meets the specific LED string requirements without external current limiting components.
Part Context
This part belongs to the A6275 family of linear LED drivers from Allegro MicroSystems. The family is characterized by high reliability and integration suitable for harsh automotive environments. Variants differ primarily in package style and pin count, with the ELWTR representing a surface-mount solution optimized for automated assembly processes.
Replacement Considerations
Check for A6275SLWTR-T or other A6275 variants with identical pinouts and electrical characteristics. Verify if newer Allegro LED driver families offer improved efficiency or additional features while maintaining mechanical compatibility.
