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Product Detailed Parameters
- Description：AS1163: INTELLIGENT LED DRIVER F
- Series：-
- Mfr：ams-OSRAM USA INC.
- Package：Tape & Reel (TR)
- Type：-
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- Internal Switch(s)：-
- Number of Outputs：-
- Voltage - Supply (Min)：-
- Voltage - Supply (Max)：-
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：-
- Dimming：-
- Applications：-
- Operating Temperature：-
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Overview
The AS1163B-AQFT is an automotive-grade, standalone intelligent LED driver IC manufactured by ams OSRAM. It features nine independent output channels optimized for dynamic lighting applications, supporting configurations such as two RGB triplets or six monochrome LEDs. The device utilizes a QFN-16 package and operates within a supply voltage range of 4.3 V to 5.5 V. It supports PWM dimming with up to 16-bit resolution per channel and includes comprehensive diagnostic features like open/short detection and overtemperature protection.
Feature Summary
- Supports daisy-chain communication via Open System Protocol (OSP) for complex lighting effects
- Integrates I²C gateway functionality allowing MCU access to external sensors
- Provides hardware-level safety monitoring including overvoltage and thermal shutdown
Applications
- Automotive interior ambient lighting systems
- Dynamic exterior vehicle lighting modules
- Multi-zone color temperature adjustment interfaces
Procurement Notes
Verify the specific suffix 'AQFT' corresponds to the required tape and reel packaging configuration. Confirm that the QFN-16 footprint matches the target PCB layout dimensions. Ensure the design accounts for the specified moisture sensitivity level (MSL 3) handling requirements during assembly. Validate compatibility with the Open System Protocol if chaining multiple units.
Selection Notes
Select this component when a high-channel-count driver is required for automotive dynamic lighting. The AS1163B variant specifically supports two RGB triplets, differing from the standard AS1163 which handles three. Consider the OSP interface for system integration needs. Evaluate the thermal performance capabilities given the +125°C maximum operating temperature rating.
Part Context
This part belongs to the SAID (Standalone Intelligent Driver) family designed for robust automotive illumination. It complements other ams OSRAM optical components like the OSIRE series. The device integrates mixed-signal silicon technology to manage current sinking and PWM generation directly, reducing external component count compared to discrete driver solutions.
Replacement Considerations
The AS1163-AQFT serves as a functional alternative within the same family, offering nine outputs configured for three RGB triplets instead of two. Both devices share the QFN-16 package and OSP communication protocol. Verify pinout compatibility and software configuration differences before substitution.
