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Product Detailed Parameters
- Description：IC LED DRVR CTRL I2C 70MA 64TQFP
- Series：-
- Mfr：ams-OSRAM USA INC.
- Package：Tape & Reel (TR)
- Type：DC DC Controller
- Topology：Step-Up (Boost)
- Internal Switch(s)：No
- Number of Outputs：12
- Voltage - Supply (Min)：-
- Voltage - Supply (Max)：-
- Voltage - Output：50V
- Current - Output / Channel：70mA
- Frequency：-
- Dimming：I2C, SPI
- Applications：Backlight
- Operating Temperature：-
- Mounting Type：Surface Mount
- Package / Case：64-TQFP Exposed Pad
- Supplier Device Package：64-TQFP-EP (10x10)
- Grade：-
- Qualification：-
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Overview
The AS3694A-ZTQ is a high-precision LED driver IC designed for backlight applications. It functions as a DC-DC controller with a step-up (boost) topology, capable of delivering an output current of 70mA and supporting an output voltage up to 50V. The device features I2C and SPI dimming interfaces and operates at a frequency of 10MHz. It is housed in a 64-TQFP exposed pad package and has a minimum operating temperature of -30°C.
Feature Summary
- Supports I2C and SPI digital dimming interfaces for precise control
- Integrates a step-up (boost) DC-DC controller topology
- Designed for high-precision LED backlighting applications
Applications
- LED backlight control systems
- Automotive interior lighting modules
- High-precision display backlight drivers
Procurement Notes
Verify the specific ordering suffix and package variant against the manufacturer's official datasheet to ensure compatibility with your design requirements. Confirm that the component meets all necessary automotive or industrial qualification standards required for your specific application environment before finalizing procurement.
Selection Notes
Select this component when a boost topology is required for driving high-voltage LED strings from a lower supply voltage. Ensure the system supports I2C or SPI communication protocols for dimming control. Verify that the 64-TQFP package footprint and thermal dissipation capabilities align with the PCB layout constraints.
Part Context
This part belongs to the AS3694 series of LED drivers manufactured by ams-OSRAM USA INC. It is specifically engineered for complex backlighting solutions requiring multiple channels and precise current regulation. The series is commonly utilized in demanding environments where reliability and accuracy are critical.
Replacement Considerations
Consult the manufacturer's official substitution guide for verified alternative part numbers. Do not assume pin-to-pin compatibility with other LED driver ICs without verifying electrical parameters and interface specifications.
