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Product Detailed Parameters
- Description：IC LED DRIVER 48QFN
- Series：*
- Mfr：ams-OSRAM USA INC.
- Package：Tape & Reel (TR)
- Type：-
- Topology：-
- Internal Switch(s)：-
- Number of Outputs：-
- Voltage - Supply (Min)：-
- Voltage - Supply (Max)：-
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：-
- Dimming：-
- Applications：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The AS3824A-ZQFT is a 16-channel white LED controller designed for LCD backlight applications. It integrates high-precision current regulation and independent PWM generators for local dimming support. The device features programmable parameters via I2C or SPI interfaces, including delay, period, and duty cycle settings. Built-in safety mechanisms include thermal shutdown and open/short LED detection. Three configurable dynamic power feedback circuits enable compatibility with both white and RGB backlight configurations.
Feature Summary
- Integrates 16 independent PWM generators for precise local dimming control
- Supports synchronization with external clock inputs for display alignment
- Includes built-in thermal protection and fault detection for open and short circuits
Applications
- LCD TV backlight panels
- High-end monitor displays
- Professional video equipment lighting
Procurement Notes
Verify component authenticity through authorized channels due to limited supply status. Confirm package integrity upon receipt as moisture sensitivity requires proper handling. Cross-reference datasheet revisions to ensure design compatibility. Validate supplier documentation against official manufacturer records before integration into production workflows.
Selection Notes
Select this component for designs requiring high channel count and precise brightness uniformity. Ensure interface compatibility with the host controller for I2C or SPI communication. Verify that the application environment remains within specified operating temperature ranges. Consider power management requirements for the integrated dynamic feedback circuits during system architecture planning.
Part Context
This part belongs to the AS3824 series of LED drivers developed by ams-OSRAM. It is engineered specifically for complex backlighting systems in consumer electronics. The series emphasizes high accuracy and flexible configuration options for modern display technologies.
Replacement Considerations
Consult official cross-reference tools for compatible alternatives. Verify pinout and electrical specifications match before substitution. Review updated datasheets for any functional differences in replacement parts.
