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Product Detailed Parameters
- Description：IC LED DRIVER LINEAR SPI 48QFN
- Series：-
- Mfr：Renesas Electronics Corporation
- Package：Tape & Reel (TR)
- Type：Linear
- Topology：-
- Internal Switch(s)：No
- Number of Outputs：16
- Voltage - Supply (Min)：-
- Voltage - Supply (Max)：-
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：-
- Dimming：SPI
- Applications：Backlight
- Operating Temperature：-20°C ~ 115°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：48-VFQFN Exposed Pad
- Supplier Device Package：48-QFN (7x7)
- Grade：-
- Qualification：-
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Overview
The AS3824A1-ZQFT is a linear LED driver IC manufactured by Renesas Electronics Corporation, designed specifically for LCD backlight applications. It features sixteen independent output channels capable of driving white LEDs. The device supports digital control via an SPI interface, allowing for precise configuration and dimming management. It operates within a junction temperature range of -20°C to 115°C and is housed in a 48-VFQFN package with exposed pad.
Feature Summary
- Provides sixteen independent current-controlled output channels for uniform LED illumination
- Enables digital configuration and control through a standard Serial Peripheral Interface (SPI)
- Utilizes linear topology for stable LED current regulation without internal switching elements
Applications
- LCD backlight systems
- White LED controller circuits
Procurement Notes
Verify the specific suffix ZQFT against official Renesas documentation to confirm package type and tape-and-reel specifications. Confirm availability status as supply conditions may vary. Ensure compatibility with system voltage requirements and thermal management solutions suitable for the specified operating temperature range before finalizing procurement.
Selection Notes
Select this component when designing LCD backlights requiring sixteen individually controllable LED channels. The linear architecture suits applications where noise immunity is critical compared to switching drivers. Verify that the system power budget accommodates linear dissipation and that the SPI interface aligns with the host controller's capabilities.
Part Context
This part belongs to the AS3824 series of LED lighting driver ICs from Renesas. The series focuses on providing multi-channel control for display backlighting. The AS3824A1 variant specifies the particular pinout and electrical characteristics associated with the A1 designation within this product family.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Consult Renesas technical support or authorized distributors for cross-reference information regarding equivalent components.
