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Product Detailed Parameters
- Description：IC LED DRV LIN PWM 120MA 20TSSOP
- Series：-
- Mfr：Allegro MicroSystems
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：-
- Internal Switch(s)：No
- Number of Outputs：6
- Voltage - Supply (Min)：5V
- Voltage - Supply (Max)：42V
- Voltage - Output：-
- Current - Output / Channel：120mA
- Frequency：-
- Dimming：PWM
- Applications：-
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：20-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：20-TSSOP-EP
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The A6284KLPTR-T-1 is a linear LED driver IC designed for automotive lighting arrays. It features six independent output channels, each capable of delivering up to 120mA. The device supports PWM dimming control and operates within a supply voltage range of 5V to 42V. Packaged in a 20-TSSOP with an exposed pad, it is rated for junction temperatures from -40°C to 150°C and holds AEC-Q100 automotive qualification.
Feature Summary
- Six-channel linear current regulation for precise LED array control
- Integrated PWM dimming interface for brightness adjustment
- Automotive-grade reliability with extended temperature tolerance
Applications
- Automotive exterior LED lighting modules
- High-intensity discharge (HID) ballast auxiliary circuits
- LED headlamp and taillamp driver arrays
Procurement Notes
Verify the specific suffix '-1' against the manufacturer's latest datasheet to confirm pinout and packaging revisions. Ensure the design accommodates the thermal requirements of the 20-TSSOP-EP package given the linear regulation topology. Confirm AEC-Q100 compliance meets project-specific automotive standards before finalizing the bill of materials.
Selection Notes
Select this component when designing multi-channel automotive LED systems requiring linear regulation rather than switching topologies. It is suitable for applications where electromagnetic interference (EMI) reduction is prioritized over power efficiency. Verify that the input voltage remains within the 5V to 42V range and that the total load current does not exceed the per-channel limits.
Part Context
This part belongs to the A6274-A6284 series of LED lighting drivers from Allegro MicroSystems. These devices are engineered specifically for automotive environments, offering robust protection features and high precision. The A6284 variant distinguishes itself by providing six regulated outputs, making it ideal for complex lighting configurations compared to single or dual-output counterparts.
Replacement Considerations
The A6284KLPTR-T is listed as a parameter-equivalent substitute. Verify if the base part number differs in packaging or revision status. No other direct cross-model replacements are documented in the provided data.
