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Product Detailed Parameters
- Description：AS3824A1-ZQFM QFN48 LF T&RDP
- 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 AS3824A1-ZQFM is a linear LED driver integrated circuit manufactured by ams-OSRAM. It features sixteen independent output channels designed for high-density backlighting applications. The device supports SPI interface control for dimming and configuration. It operates within a junction temperature range of -20°C to 115°C. The component is housed in a 48-VFQFN package with an exposed pad, measuring 7x7 mm. It utilizes a linear topology without internal switches.
Feature Summary
- Provides sixteen individually controllable LED output channels
- Enables precise brightness regulation via serial peripheral interface communication
- Designed specifically for complex backlighting architectures
Applications
- LCD panel backlighting systems
- High-density display modules
- Professional video equipment lighting
Procurement Notes
Verify the specific suffix ZQFM against official datasheets to confirm package type and tape-and-reel specifications. Ensure compatibility with system voltage requirements and thermal management solutions before procurement. Confirm that the supplier provides genuine components from authorized distribution channels to avoid counterfeit risks.
Selection Notes
Select this component when designing systems requiring multiple independently controlled LED strings. Consider the linear topology implications on power dissipation and thermal design. Evaluate the 48-pin QFN footprint constraints during PCB layout. Verify SPI bus speed compatibility with the host microcontroller for reliable data transmission.
Part Context
This part belongs to the AS3824 series of LED drivers. Similar variants include AS3824E1-ZQFT, which shares the same functional core but may differ in packaging or specific electrical characteristics. The series is engineered for professional display applications requiring high channel counts and precise current control.
Replacement Considerations
Direct substitutes are limited due to the specific sixteen-channel configuration. Review the AS3824E1-ZQFT for potential pin-compatible alternatives if package differences are acceptable. Cross-reference with other high-channel-count linear drivers only after verifying electrical parameter alignment.
