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Product Detailed Parameters
- Description：FOUR-CHANNEL, AUTOMOTIVE LED CON
- Series：-
- Mfr：Allegro MicroSystems
- Package：Bulk
- Type：Linear
- Topology：-
- Internal Switch(s)：No
- Number of Outputs：4
- Voltage - Supply (Min)：5.3V
- Voltage - Supply (Max)：40V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：-
- Dimming：Analog, PWM
- Applications：-
- Operating Temperature：150°C (TJ)
- Mounting Type：Surface Mount, Wettable Flank
- Package / Case：32-VFQFN Exposed Pad
- Supplier Device Package：32-QFN (5x5)
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The A80804KETASR-1 is a four-channel automotive LED controller from Allegro MicroSystems, designed for high-current LED lighting applications. It operates within an input voltage range of 5.3 V to 40 V and supports PWM dimming at a frequency of 500 Hz. The device is housed in a QFN-32 surface-mount package and is rated for operation between -40°C and +125°C.
Feature Summary
- Four independent output channels for multi-zone LED control
- Integrated PWM dimming capability for brightness regulation
- Automotive-grade reliability with wide operating temperature range
Applications
- Automotive exterior lighting systems
- High-power LED headlamp modules
- LED fog light drivers
- Adaptive front-lighting systems
Procurement Notes
Verify the exact part number suffix against official Allegro MicroSystems documentation to ensure correct packaging and tape-and-reel specifications. Confirm that the intended application environment meets the specified thermal and voltage requirements before procurement. Check current availability status through authorized distributors as supply conditions may vary.
Selection Notes
Select this component when designing automotive LED systems requiring four distinct output channels controlled via a single interface. Ensure the power supply architecture supports the 5.3 V to 40 V input range. Verify that the PCB layout accommodates the QFN-32 package dimensions and thermal pad requirements for adequate heat dissipation during continuous operation.
Part Context
This IC belongs to the A80804 series of LED controllers from Allegro MicroSystems. The series targets automotive lighting markets, providing integrated solutions for driving multiple LED strings. The KETASR-1 designation indicates specific packaging and trailing zero options defined by the manufacturer for mass production integration.
Replacement Considerations
Consult the official Allegro MicroSystems product selector guide for direct replacements or pin-compatible alternatives within the A8080x family. Verify electrical parameters and package dimensions before substitution.
