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Product Detailed Parameters
- Description：IC LED DRIVER LINEAR PWM 64TQFN
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：-
- Internal Switch(s)：No
- Number of Outputs：16
- Voltage - Supply (Min)：-
- Voltage - Supply (Max)：-
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：20MHz
- Dimming：PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：64-VFQFN Exposed Pad
- Supplier Device Package：64-TQFN (9x9)
- Grade：-
- Qualification：-
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Overview
The MSL2166-DUR is a high-power LED string driver manufactured by Microchip Technology. It utilizes external current control MOSFETs to sink up to 350mA per string, ensuring matching better than specified in official documentation. The device operates within a supply voltage range of 4.5V to 5.5V and features a 64-TQFN (9x9) package. It supports linear PWM dimming for precise brightness control across multiple channels.
Feature Summary
- Supports high-density backlight applications with external MOSFET current control
- Provides linear PWM dimming capability for accurate brightness regulation
- Ensures high channel-to-channel current matching performance
Applications
- High-density LED backlighting systems
- Multi-string LED lighting arrays
- Professional display backlight drivers
Procurement Notes
Verify the specific suffix DUR against the manufacturer's latest datasheet to confirm pinout and thermal characteristics. Confirm that external MOSFETs are included in the design as the IC sinks current rather than sourcing it directly. Check for end-of-life status or alternative recommendations from Microchip Technology before finalizing procurement plans.
Selection Notes
Select this component when designing systems requiring high-current sinking capabilities per LED string. Ensure the PCB layout accommodates the 64-TQFN package dimensions. Verify that the external MOSFETs selected can handle the peak current requirements and thermal dissipation needs associated with the driver's operation.
Part Context
The MSL2166 series belongs to Microchip's family of LED lighting driver ICs designed for complex lighting architectures. These devices typically integrate control logic with interfaces for managing multiple LED strings independently. The DUR variant specifically denotes the tape and reel packaging format suitable for automated surface-mount assembly processes.
Replacement Considerations
Consult Microchip Technology's official substitution guide for verified alternatives. No public substitute part numbers are confirmed in the provided source material.
