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Product Detailed Parameters
- Description：IC LED DRVR LINEAR 50MA 24TSSOP
- Series：-
- Mfr：Allegro MicroSystems
- Package：Tube
- Type：Linear
- Topology：Shift Register
- Internal Switch(s)：Yes
- Number of Outputs：16
- Voltage - Supply (Min)：3V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：12V
- Current - Output / Channel：50mA
- Frequency：30MHz
- Dimming：-
- Applications：Backlight
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：24-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：24-TSSOP-EP
- Grade：-
- Qualification：-
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Overview
The A6282ELP-T is a 16-channel constant-current LED driver IC manufactured by Allegro MicroSystems. It features linear topology with internal switches, supporting up to 50 mA per channel and an output voltage of 12 V. The device operates on a logic supply range of 3 V to 5.5 V and supports a data input rate of 30 MHz. Packaged in a 24-TSSOP-EP with exposed pad, it includes Schmitt trigger inputs for noise immunity, Power-On Reset functionality, and internal UVLO and thermal shutdown circuits.
Feature Summary
- Provides 16 independent constant-current outputs for precise LED control
- Integrates Schmitt trigger inputs to enhance noise immunity
- Includes internal undervoltage lockout and thermal shutdown protection
Applications
- LCD backlighting systems
- General indicator lighting arrays
- Consumer electronics display modules
Procurement Notes
Verify the specific suffix (ELP vs ELPTR) against the official datasheet to confirm package type and tape-and-reel status. Confirm component availability as the part may be discontinued or obsolete depending on current manufacturing cycles. Ensure compatibility with system voltage requirements before procurement.
Selection Notes
Select this component for applications requiring multiple synchronized LED channels with high noise immunity. The linear topology suits low-voltage designs where efficiency is secondary to simplicity. Verify that the 30 MHz shift register speed meets the system's refresh rate requirements and that the 12 V output headroom accommodates the LED string configuration.
Part Context
The A6282 belongs to Allegro’s family of constant-current LED drivers designed for multi-channel illumination. It utilizes low-power CMOS technology and latches to manage output states efficiently. The device is engineered for automotive and industrial environments, offering robust protection features against electrical faults and thermal stress.
Replacement Considerations
Public confirmed substitute part numbers include STP16CPP05TTR from STMicroelectronics and TLC5926IPWPR from Texas Instruments. Verify pin compatibility and current specifications when transitioning to these alternatives.
