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Product Detailed Parameters
- Description：IC LED DRVR CTRL PWM 1A 16ETSSOP
- Series：-
- Mfr：Allegro MicroSystems
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Controller
- Topology：Step-Down (Buck), Step-Up (Boost)
- Internal Switch(s)：No
- Number of Outputs：1
- Voltage - Supply (Min)：6.5V
- Voltage - Supply (Max)：50V
- Voltage - Output：-
- Current - Output / Channel：1A
- Frequency：100kHz ~ 700kHz
- Dimming：PWM
- Applications：-
- Operating Temperature：-40°C ~ 150°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：16-eTSSOP-EP
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The A6267KLPTR-T is an automotive-grade LED driver IC manufactured by Allegro MicroSystems. It functions as a DC-DC controller with buck and boost topologies, designed for high-current applications delivering up to 1A per channel. The device supports PWM dimming and operates within a supply voltage range of 6.5V to 50V. It features a switching frequency between 100kHz and 700kHz. The component is housed in a 16-pin eTSSOP package with an exposed pad and is rated for an operating temperature range of -40°C to 150°C.
Feature Summary
- Integrated DC-DC controller supporting both buck and boost converter topologies for flexible LED drive configurations.
- Automotive qualification compliant with AEC-Q100 standards for reliability in vehicle environments.
- Capable of driving high-current loads up to 1A with precise PWM dimming control capabilities.
Applications
- Automotive exterior lighting systems requiring high current LED drivers
- Headlamp modules utilizing buck or boost converter architectures
- Industrial LED lighting fixtures demanding wide input voltage ranges
Procurement Notes
Verify the specific revision suffix and packaging configuration against the official datasheet before ordering. Confirm that the 16-eTSSOP-EP package dimensions match the target PCB footprint. Ensure that the thermal requirements for the exposed pad are addressed in the design layout to maintain the specified 150°C operating temperature limit.
Selection Notes
Select this component when a single-chip solution for high-current LED driving is required in automotive or industrial settings. It is suitable for designs needing both step-down and step-up voltage conversion capabilities. Consider the 100kHz to 700kHz frequency range for inductor selection and EMI management strategies.
Part Context
This part belongs to the A6267 series of LED lighting drivers from Allegro MicroSystems. It is specifically engineered for automotive applications, offering robust performance under harsh environmental conditions. The series provides integrated power switches and control logic to simplify the design of complex LED illumination systems.
Replacement Considerations
The A6271KLPTR-T-1 is listed as a similar replacement option. Verify functional compatibility regarding current ratings and topology support before substituting.
